Given the following thermochemical equations:
A(g)→B(g);ΔH=70kJB(g)→C(g);ΔH=−110kJ
Find the enthalpy changes for the following reactions:
a. 3A(g)→3B(g)
b. B(g)→A(g)
c. A(g) →C(g)

Answers

Answer 1

The stoichiometric concept can be employed for the 3A(g) → 3B(g) transformation.

How to solve

The enthalpy change for the reaction leading from A(g) to B(g) with a value of ΔH = 70 kJ implies that the corresponding enthalpy change for the conversion of 3A(g) to 3B(g) will be threefold higher, with ΔH = 3 * 70 kJ = 210 kJ.

To determine the enthalpy change for the inverse reaction of A(g) → B(g), we can utilize the knowledge that the enthalpy change has the inverse polarity in the reverse reaction.

The enthalpy change for the conversion of gas B to gas A will result in a decrease of 70 kJ.

We can determine the enthalpy shift for the A(g) → C(g) reaction by merging the provided equations.

By combining the equations A(g) → B(g) with a heat of reaction of 70 kJ and B(g) → C(g) with a heat of reaction of -110 kJ, we can obtain a new equation.

Through this, we are presented with the generalized reaction of converting A into B, which subsequently forms C, accompanied by a change in enthalpy of -40 kJ within the range of 70 kJ-110 kJ.

Read more about enthalpy changes here:

https://brainly.com/question/16387742

#SPJ4


Related Questions

Calculate the pH for each case in the titration of 50.0 mL of 0.220 M HClO(aq) with 0.220 M KOH(aq). Use the ionization constant for HClO, 4.0×10⁻⁸
What is the pH before addition of any KOH?
What is the pH after addition of 25.0 mL KOH?
What is the pH after addition of 35.0 mL KOH?
What is the pH after addition of 50.0 mL KOH?
What is the pH after addition of 60.0 mL KOH?

Answers

To calculate the pH at each stage of the titration, we need to consider the reaction between HClO and KOH. The balanced chemical equation for the reaction is:

HClO(aq) + KOH(aq) → KClO(aq) + H2O(l)

Before the addition of any KOH, we have only the HClO solution. HClO is a weak acid, so we can use the ionization constant (Ka) to calculate its initial concentration of H⁺ ions. Since HClO is the only acid present initially, the initial concentration of H⁺ ions is equal to the initial concentration of HClO. Therefore, [H⁺] = 0.220 M.

To calculate the pH after each addition of KOH, we need to determine the amount of HClO that reacts with KOH. From the balanced equation, we can see that the stoichiometric ratio between HClO and KOH is 1:1. This means that for every mole of HClO that reacts, an equal number of moles of H⁺ ions are consumed.

Before addition of any KOH:

[H⁺] = 0.220 M (given)

pH = -log10(0.220) ≈ 0.66

After addition of 25.0 mL KOH:

The amount of HClO reacted can be calculated using the initial concentration and the volume of KOH added. Since the concentration of KOH is the same as HClO, the concentration of HClO remaining is (0.220 M - 0.220 M/4) = 0.165 M. The volume of HClO solution remaining is (50.0 mL - 25.0 mL) = 25.0 mL = 0.025 L. Therefore, [H⁺] = 0.165 M/0.025 L = 6.6 M.

After addition of 35.0 mL KOH:

Following the same calculations as above, [H⁺] = 0.110 M.

After addition of 50.0 mL KOH:

[H⁺] = 0.055 M.

After addition of 60.0 mL KOH:

[H⁺] = 0.022 M.

Keep in mind that pH is a logarithmic scale, so as the concentration of H⁺ ions decreases, the pH value increases.

Learn more about pH here : brainly.com/question/2288405

#SPJ11

Help me plz I’m like slow

Answers

Answer:

probably A that's my best guess

Answer:

Hello There!!

Explanation:

The answer is A.H20.This is water which isn't an ionic compound.

hope this helps,have a great day!!

~Pinky~

A.) Which metal would you expect to have the highest melting point? Tc, Ag, or Rb
B.) Which metal would you expect to have the highest melting point? Hg, Ba, or Os

Answers

the element with highest melting point among Tc, Ag, Rb is Tc that is technetium, while the element which highest melting point among Hg, Os, Ba is Os that is osmium. both of these elements belong to the d block also known as transition elements.

there is no regular trend in the melting point among the d block elements and tungsten is the elements with the highest melting point among the transition elements. the s block elemts on the other hand have relatively low melting points.

Rb and Ba belong to s block thus have lower melting points in comparison to d block elemts like technetium, osmium, silver, and mercury. s block metals are soft and have low melting points due to very week inter-metallic bonding between its atoms.

to know more about transition elements refer to the link below

https://brainly.com/question/30389112

#SPJ4

Carbon-14 is an isotope used in carbon dating. The nucleus becomes Nitrogen-14 through beta decay. Its half-life is 5370 years. We can use this information to think about the large sample of 14C that is part of all organic matter. We can also think about the fate of a single 14C nucleus, as we did above.
For a single 14C nucleus in the tool, how likely is it that it will decay in the next 5370 years? For a single 14C nucleus in the tool, how likely is it that it will decay in the next 200 years?

Answers

The probability that a single carbon-14 (14C) isotope nucleus will decay in a given time period can be calculated using the concept of half-life. The half-life of carbon-14 is 5370 years, which means that after this time period, half of the initial amount of carbon-14 will have decayed into nitrogen-14.

To determine the likelihood of decay for a single 14C nucleus in the next 5370 years, we can say that there is a 50% chance of decay. This is because the half-life is the time it takes for half of the nuclei to decay, so after one half-life, there is a 50% chance that an individual nucleus will have decayed. For the next 200 years, we need to calculate the number of half-lives that occur in that time period. Since each half-life is 5370 years, we can divide 200 by 5370 to find the number of half-lives. The result is approximately 0.037, meaning that less than one-half-life has passed. Therefore, the likelihood of decay for a single 14C nucleus in the next 200 years is low. It is less than 50% because less than one-half-life has passed. However, it is important to note that the decay of an individual nucleus is a random process, and while we can make predictions based on probabilities, it is not possible to determine with certainty whether a specific nucleus will decay within a given time frame.

Learn more about isotope here : brainly.com/question/28039996

#SPJ11

Decomposition of potassium chlorate are performed in the lab to make oxygen. You are strictly advised to be careful with it. Why is that, what might happen?​

Answers

Potassium chlorate itself has a lot of toxicity and are bad for the skin and lungs. The reason why potassium chlorate needs to be handled with care is because while the thermal decomposition takes place, potassium chlorate starts to emit toxic fumes of chlorine and potassium oxide and it also emits very toxic fumes of hydrogen chloride and K2O.

Hope this helped and have a nice day : )

How many possible Mole Ratios are in the following reaction:
ZnO + 2 HCl --> ZnCl2 + H2O

Answers

Answer: 2 moles

Explanation:

One of the following equations is that of a parabola with x-intercepts -5 and +5 in the standard (x, y) coordinate plane. Which equation?
a. y = x² + 25
b. y = (x + 5)(x - 5)
c. y = x(x + 5)(x - 5)
d. y = (x + 5)² - 25

Answers

Given that the x-intercepts of the parabola are -5 and 5 and we need to find out which equation from the given options is that of the parabola.  Option (b) y = (x + 5)(x - 5)

is the equation of a parabola with x-intercepts -5 and +5 in the standard (x, y) coordinate plane.

We know that the x-intercepts of a parabola are the points at which y is zero.

We have two x-intercepts: x = -5 and x = 5. Let's find which equation is correct.

a. y = x² + 25

For x = -5, we have

y = (-5)² + 25 = 50.

It does not satisfy the equation for the x-intercept of -5.

For x = 5, we have

y = (5)² + 25 = 50.

It does not satisfy the equation for the x-intercept of 5.

b. y = (x + 5)(x - 5)

For x = -5, we have

y = (0) (10) = 0.

This satisfies the equation for the x-intercept of -5.

For x = 5, we have

y = (10) (0) = 0.

This satisfies the equation for the x-intercept of 5.

c. y = x(x + 5)(x - 5)

For x = -5, we have

y = (-5) (0) (10) = 0.

This satisfies the equation for the x-intercept of -5.For x = 5, we have

y = (5) (10) (0) = 0.

This satisfies the equation for the x-intercept of 5.

d. y = (x + 5)² - 25

For x = -5, we have

y = (0) - 25 = -25.

It does not satisfy the equation for the x-intercept of -5.

For x = 5, we have

y = (10) - 25 = -15.

It does not satisfy the equation for the x-intercept of 5.

y = (x + 5)(x - 5)

is the equation of a parabola with x-intercepts -5 and +5 in the standard (x, y) coordinate plane.

Hence, the correct answer is option B.

To know more about x-intercepts visit:

https://brainly.com/question/32051056

#SPJ11

Convert 5 pounds to kilograms
Help me pleaseeee

Answers

Answer:

2.268

Explanation:

5 lb × 0.45359237 = 2.26796185 kg

How to convert Pounds to Kilograms

1 pound (lb) is equal to 0.45359237 kilograms (kg).

1 lb = 0.45359237 kg

The mass m in kilograms (kg) is equal to the mass m in pounds (lb) times 0.45359237:

m(kg) = m(lb) × 0.45359237

Example

Convert 5 lb to kilograms:

m(kg) = 5 lb × 0.45359237 = 2.268 kg

Hope this helped!!!

Answer:

2.26796 kg

Explanation:

120.0 g of 4.0°C water (Specific Heat: 4.184J/g°C) is heated until its temperature is 35°C. Calculate the amount of heat energy needed to cause this rise in temperature?

Answers

Answer: I got 15.56

Explanation: I am so sorry if that's wrong but I used the equation Q=m×c×ΔT where

m=mass

ΔT= temp change that occurs

c= specific heat capacity

good luck, again sorry if i totally biffed that

describe the spectrum you would observe for the emission spectrum of elemental hydrogen gas.

Answers

The observed emission spectrum of elemental hydrogen gas is; Series of Lines, colors, Balmer Series, and Ultraviolet and Infrared Lines.

The emission spectrum of elemental hydrogen gas consists of a series of discrete and distinct lines of different colors.

Series of Lines; The emission spectrum of hydrogen gas consists of a series of sharp, discrete lines rather than a continuous spectrum. Each line corresponds to a specific transition between energy levels in the hydrogen atom.

Colors; The lines in the hydrogen emission spectrum are of different colors, representing different wavelengths of light. The colors observed in the Balmer series include red, blue-green, violet, and other shades in between.

Balmer Series; The Balmer series is the most prominent and well-known part of the hydrogen emission spectrum. It corresponds to transitions where the electron in the hydrogen atom jumps from higher energy levels (n ≥ 3) to the second energy level (n = 2). The visible lines in the Balmer series include Hα (red), Hβ (blue-green), Hγ (violet), and so on.

Ultraviolet and Infrared Lines; In addition to the visible lines, the hydrogen emission spectrum also includes ultraviolet and infrared lines. The ultraviolet lines belong to the Lyman series (transitions to the first energy level, n = 1), while the infrared lines belong to the Paschen series (transitions to higher energy levels, n > 2).

To know more about emission spectrum here

https://brainly.com/question/31702311

#SPJ4

Explain why most inorganic substances do not burn, yet organic substances will
burn.

Answers

Most inorganic substances do not burn because they do to contain carbon. Organic substances do contain carbon.

how are the functions of a flower's stamen and pistil related to reproduction?

Answers

Answer: the essential parts of a flower

Explanation:

are engaged with seed creation. In the event that a blossom contains both useful stamens and pistils, it is known as an ideal bloom, regardless of whether it doesn't contain petals and sepals. On the off chance that either stamens or pistils are deficient with regards to, the blossom is called imperfect.

Which formula demonstrates a double replacement reaction?
1. A + B --> AB
2. AB + CD --> AC + BD
3. AB --> A + B
4. A + BC --> AC + B

Answers

Answer:

2

Explanation:

Calculate ΔHo for the process ½ N2(g) + ½ O2(g) → NO(g)
from the following information
N2(g) + 2 O2(g) → 2 NO2(g) ΔHo = -107.0 kJ/mol
2 NO(g) + O2 → 2 NO2(g) ΔHo = -351.5 kJ/mol

Answers

Answer : The ΔHo for the given reaction is -244.5 kJ/mol.

Explanation:

Given, the following equations and the corresponding ΔHo values:N2(g) + 2 O2(g) → 2 NO2(g) ΔHo = -107.0 kJ/mol2 NO(g) + O2 → 2 NO2(g) ΔHo = -351.5 kJ/mol

The reaction given is ½ N2(g) + ½ O2(g) → NO(g)

To determine the value of ΔHo for the above process, we can use the given thermochemical equations as follows:

What is meant by thermochemical equation?

Thermochemical equations: The chemical equation which includes the term 'Heat' are referred to as thermochemical equations. They include chemical equations for endothermic reactions and exothermic reactions.

Endothermic Reaction. Those thermochemical reactions in which heat is absorbed. Change in enthalpy for this reaction is positive. Exothermic Reaction. Exothermic reactions are the reaction in which the heat or the energy is evolved during the reaction.

ΔHo for the first equation isΔHo = [2ΔHo (NO2(g))] - [ΔHo (N2(g))] - 2[ΔHo(O2(g))]

We haveΔHo (NO2(g)) = - 107.0 kJ/molΔHo (N2(g)) = 0 kJ/molΔHo (O2(g)) = 0 kJ/mol

To find: ΔHo for the process ½ N2(g) + ½ O2(g) → NO(g)Solution:To obtain the required reaction, we need to subtract equation (1) from equation (2).

The obtained equation is:½ N2(g) + ½ O2(g) → NO(g) ΔHo = [2 NO(g) + O2 → 2 NO2(g)] - [N2(g) + 2 O2(g) → 2 NO2(g)] ΔHo = (-351.5 kJ/mol) - (-107.0 kJ/mol) ΔHo = -244.5 kJ/mol.

Therefore, the ΔHo for the given reaction is -244.5 kJ/mol.

Learn more about  ΔHo here https://brainly.com/question/13949764

#SPJ11

two similar solids have a scale factor of 6:7. what is ratio of their volumes expressed in lowest terms? enter your answer by filling in the boxes. :

Answers

The ratio of the volumes of the two similar solids, expressed in the lowest terms, is 216:343.

To find the ratio of the volumes of two similar solids with a scale factor of 6:7, we can use the fact that the ratio of the volumes of similar solids is equal to the cube of the scale factor.

The ratio of the volumes of the two similar solids can be expressed as (6/7)³.

To simplify this ratio to its lowest terms, we can cube the numerator and denominator separately.

(6/7)³ = (6³)/(7³) = 216/343

Therefore, the ratio of the volumes of the two similar solids, expressed in lowest terms, is 216:343.

To know more about volume

https://brainly.com/question/29796637

#SPJ11

In an acid-base reaction involving neutral base B, what will be the conjugate acid Select the correct answer below , a. h20 b. H30 c. Oh- d hb+

Answers

In an acid-base reaction involving a neutral base B, the conjugate acid will be H₃O⁺. Option B is correct.

In an acid-base reaction involving a neutral base B, the conjugate acid will be formed by the addition of a proton (H⁺) to the base.

H₂O; Water (H₂O) is not a base but can act as an acid in certain reactions. It can donate a proton to form the hydroxide ion (OH⁻), making it a conjugate base rather than a conjugate acid.

H₃O⁺; The hydronium ion (H₃O⁺) is formed when a proton (H⁺) is added to water (H₂O). It is commonly found in aqueous acidic solutions and can act as an acid by donating a proton. Therefore, H₃O⁺ is the correct answer as it represents the conjugate acid in this acid-base reaction.

OH⁻; The hydroxide ion (OH⁻) is a base, not an acid. It accepts a proton (H⁺) to form water (H₂O) in basic solutions. OH⁻ would be the conjugate base, not the conjugate acid.

Hence, B. is the correct option.

To know more about conjugate acid here

https://brainly.com/question/8908134

#SPJ4

--The given question is incorrect, the correct question is

"In an acid-base reaction involving neutral base B, what will be the conjugate acid Select the correct answer below , A) H₂O B). H₃0 C). OH⁻."--

Predict Will you find starch in a plant leaf grown in the light? Why?

Answers

Answer:

You would find starch in a plant leaf.

Explanation:

This is due to the fact that when there is excess energy, it will be stored in plant tissue as starch.

The Ksp for silver carbonate (Ag2CO3) is 8.1 times 10-12. Calculate the solubility of silver carbonate in each of the following. (a) water mol/L
(b) 0.22 M AgClO3 mol/L
(c) 0.41 M Na2CO3 mol/L

Answers

The solubility of silver carbonate in water is approximately 1.26 × 10⁻³ mol/L. The solubility of silver carbonate in 0.22 M AgClO₃ is approximately 2.92 × 10⁻⁵ mol/L. The solubility of silver carbonate in 0.41 M Na₂CO₃ is approximately 1.20 × 10⁻⁶ mol/L.

To calculate the solubility of silver carbonate (Ag₂CO₃) in different solutions, we need to compare the solubility product (Ksp) with the concentrations of relevant ions in the solution. The balanced equation for the dissociation of silver carbonate is:

Ag₂CO₃(s) ⇌ 2Ag⁺(aq) + CO₃²⁻(aq)

(a) Solubility in water:

Since water does not contain any common ions, the concentration of Ag⁺ and CO₃²⁻ ions in water is initially zero. Therefore, we assume x as the solubility of Ag₂CO₃ in mol/L.

The equilibrium concentrations of Ag⁺ and CO₃²⁻ ions are both 2x (as the stoichiometric ratio is 1:1).

The Ksp expression is:

Ksp = [Ag⁺]²[CO₃²⁻] = (2x)²(2x) = 8x⁵

Since the Ksp is given as 8.1 × 10⁻¹², we can set up the equation:

8x⁵ = 8.1 × 10⁻¹²

Solving for x, we find:

x = (8.1 × 10⁻¹² / 8)^(1/5) ≈ 1.26 × 10⁻³ mol/L

Therefore, the solubility of silver carbonate in water is approximately 1.26 × 10⁻³ mol/L.

(b) Solubility in 0.22 M AgClO₃:

In this case, the Ag⁺ ions are already present in the solution due to the presence of AgClO₃. The concentration of Ag⁺ is given as 0.22 M. Since the Ksp expression is [Ag⁺]²[CO₃²⁻], we assume x as the solubility of Ag₂CO₃ in mol/L.

The equilibrium concentration of Ag⁺ ions will be 0.22 + 2x, and the concentration of CO₃²⁻ ions will be 2x.

The Ksp expression is:

Ksp = (0.22 + 2x)²(2x) = 8x³ + 0.88x² + 0.088x

Since the Ksp is still 8.1 × 10⁻¹², we can set up the equation:

8x³ + 0.88x² + 0.088x = 8.1 × 10⁻¹²

Solving for x, we find:

x ≈ 2.92 × 10⁻⁵ mol/L

Therefore, the solubility of silver carbonate in 0.22 M AgClO₃ is approximately 2.92 × 10⁻⁵ mol/L.

(c) Solubility in 0.41 M Na₂CO₃:

In this case, the CO₃²⁻ ions are already present in the solution due to the presence of Na₂CO₃. The concentration of CO₃²⁻ is given as 0.41 M. Since the Ksp expression is [Ag⁺]²[CO₃²⁻], we assume x as the solubility of Ag₂CO₃ in mol/L.

The equilibrium concentration of Ag⁺ ions will be 2x, and the concentration of CO₃²⁻ ions will be 0.41 + 2x. The Ksp expression is then:

Ksp = (2x)²(0.41 + 2x) = 4x³ + 1.64x² + 0.328x²

Again, setting Ksp equal to 8.1 × 10⁻¹², we can solve for x:

4x³ + 1.64x² + 0.328x² = 8.1 × 10⁻¹²

x ≈ 1.20 × 10⁻⁶ mol/L

Therefore, the solubility of silver carbonate in 0.41 M Na₂CO₃ is approximately 1.20 × 10⁻⁶ mol/L.

Learn more about the common ion effect here:

https://brainly.com/question/30772969

#SPJ4

1. A chemical equation is balanced when *

Answers

Answer:1 Answer. A chemical equation is balanced when the number of each kind of atom is the same on both sides of the reaction,,

Answer:

If each side of the equation has the same number of atoms of a given element, that element is balanced. If all elements are balanced, the equation is balanced.

Which of the gases below are primarily obtained from the atmosphere? obtained from Atmosphere Drag the correct choices into the box. Leave the incorrect choices outside of the box. helium hydrogen nitrogen oxygen argon chlorine

Answers

Helium, hydrogen, and chlorine are obtained from sources other than the atmosphere. The gases primarily obtained from the atmosphere are nitrogen, oxygen, and argon.

Nitrogen, oxygen, and argon are the main components of Earth's atmosphere and are commonly obtained from the air. They exist in significant quantities in the atmosphere and are often extracted for various industrial and commercial purposes.

On the other hand, helium, hydrogen, and chlorine are not primarily obtained from the atmosphere. Helium is typically extracted from natural gas wells, hydrogen is usually produced from fossil fuels or electrolysis of water, and chlorine is obtained through chemical processes such as electrolysis or from chloride-containing compounds.

The gases primarily obtained from the atmosphere are nitrogen, oxygen, and argon. Helium, hydrogen, and chlorine are obtained from sources other than the atmosphere.

To know more about atmosphere, visit:

https://brainly.com/question/921955

#SPJ11

How does nuclear fission of Uranium - 234 result in electricity being generated?

Answers

Answer:

See explanation

Explanation:

The use of Uranium - 234 to generate electricity depends on a fission reaction. The uranium nuclide is bombarded by fast moving neutrons leading to a chain reaction. Control rods and moderators are used to keep the nuclear reaction under control.

As the nuclear reaction proceeds, heat is generated and steam is consequently produced. This steam is used to turn a turbine and electricity is thereby generated.

An example of a material that is excluded from the Right to Know Law is:
A. Professional cleaning products
B. "Liquid Paper" correction fluid
C. Carbon tetrachloride 2000
D. All of the above

Answers

The Right to Know Law is a law that mandates access to information held by the government. It applies to all states and localities in the United States. However, there are exceptions to this rule. In addition to public safety and privacy concerns, there is a category of information that is explicitly excluded from the Right to Know Law. (a) A professional cleaning product is an example of a material that is excluded from the Right to Know Law.

As per the given options, a professional cleaning product is an example of a material that is excluded from the Right to Know Law. In 1984, the federal government amended the Right to Know Law to require businesses to provide information about hazardous chemicals in the workplace to employees. This law, known as the Hazard Communication Standard (HCS), requires employers to make information about hazardous chemicals available to employees in the form of Safety Data Sheets (SDSs) and labels.The HCS applies to all employers with hazardous chemicals in their workplace and requires them to provide their employees with 100-word descriptions of the hazards associated with those chemicals, as well as information on how to protect themselves from exposure. Therefore, a professional cleaning product is an example of a material that is excluded from the Right to Know Law.

To know more about Right to Know Law visit:

https://brainly.com/question/32368201

#SPJ11

how many moles of tin (ii) fluoride are there in 908 grams of tin (ii) fluoride

Answers

The number of moles of tin (II) fluoride in 908 grams of tin (II) fluoride is approximately 2.65 moles.

How many moles of tin (II) fluoride are present in 908 grams?

To determine the number of moles of tin (II) fluoride in a given mass, we need to use the concept of molar mass. The molar mass of tin (II) fluoride (SnF₂) is calculated by adding up the atomic masses of its constituent elements: tin (Sn) and fluorine (F).

The atomic mass of tin is 118.71 g/mol, and the atomic mass of fluorine is 18.998 g/mol. By adding these values together, we find that the molar mass of tin (II) fluoride is 156.71 g/mol.

To calculate the number of moles in a given mass, we use the formula:

Number of moles = Mass (in grams) / Molar mass.

In this case, we have 908 grams of tin (II) fluoride. Plugging the values into the formula, we get:

Number of moles = 908 g / 156.71 g/mol = 2.65 moles.

Understanding the relationship between mass, moles, and molar mass is fundamental in chemistry. This concept allows us to convert between different units and make quantitative calculations.

The molar mass plays a crucial role in determining the number of moles in a given mass and vice versa. Exploring further applications of moles and molar mass, such as stoichiometry and chemical reactions, can provide a deeper understanding of chemical processes and their measurements.

Learn more about moles

brainly.com/question/30885025

#SPJ11

Apply Concepts H2O and H2O2 are binary molecular compounds generally known by their common names, “water” and “hydrogen peroxide.” Following the naming conventions you identified for molecular compounds, what would their names be? Explain your reasoning.

Answers

A compound that consists of two non-metal elements in its structure and compound is called a binary molecular compound. They can have two different elements in their structures bonded by various bonds like carbon dioxide, sodium chloride etc.

The naming of [tex]\rm H_{2}O[/tex] is dihydrogen oxygen and of [tex]\rm H_{2}O_{2}[/tex] is dihydrogen dioxygen.

How to name binary molecular compounds?

[tex]\rm H_{2}O[/tex] is a water molecule and is a binary molecular compound as it has one element of oxygen and other elements of hydrogen. The compound has two hydrogen and one oxygen atom and thus will be named dihydrogen oxygen.

[tex]\rm H_{2}O_{2}[/tex] is the peroxide and is a binary molecular compound as it also has hydrogen and oxygen element in its structural formula. The compound has two oxygen and two hydrogen elements in its structure and therefore, will be named dihydrogen dioxygen.

Thus, the naming of water is dihydrogen oxygen and hydrogen peroxide is dihydrogen dioxygen.

Learn more about binary molecular compounds here:

https://brainly.com/question/2679241

Br2 + 2LiF → 2LiBr + F2
Given: If 3.6 moles of Br2, react with 9.4 moles of LiF
a) How many moles of F, are produced? I​

Answers

1 grams F2 to mol = 0.02632 mol

10 grams F2 to mol = 0.26318 mol

20 grams F2 to mol = 0.52636 mol

30 grams F2 to mol = 0.78954 mol

40 grams F2 to mol = 1.05272 mol

50 grams F2 to mol = 1.3159 mol

100 grams F2 to mol = 2.6318 mol

200 grams F2 to mol = 5.2636 mol

Which of Graphs 1 correctly represents the relationship between the volume and Kelvin temperature of a gas?

Answers

Answer:

B

Explanation:

Pressure is directly proportional to temperature

In scenario C, visible light is in the middle of the yellow region of the visible spectrum. Estimate its wavelength, frequency, and energy per photon. frequency: S-1 Incorrect In scenario D, visible light has a photon energy of 4.160 x 10-19 J. Determine its wavelength, frequency, and color. frequency: Incorrect S-1 wavelength: Incorrect energy per photon: wavelength: Incorrect The visible light in scenario D is Incorrect blue. nm nm In scenario C, visible light is in the middle of the yellow region of the visible spectrum. Estimate its wavelength, frequency, and energy per photon. frequency: S-1 Incorrect In scenario D, visible light has a photon energy of 4.160 x 10-19 J. Determine its wavelength, frequency, and color. frequency: Incorrect S-1 wavelength: Incorrect energy per photon: wavelength: Incorrect The visible light in scenario D is Incorrect blue. nm nm

Answers

Scenario C: Visible light is in the middle of the yellow region of the visible spectrum. Here, we have to estimate its wavelength, frequency, and energy per photon. The wavelength of visible light in the middle of the yellow region of the visible spectrum is approximately 575 nm.

The frequency of the given light can be calculated by using the formula c = νλ where ν is the frequency of light, λ is the wavelength of light, and c is the speed of light. Hence the frequency is given by,ν = c / λν = 3.0 x 10^8 m/s / 575 x 10^-9 mν = 5.22 x 10^14 Hz. To calculate the energy per photon, we use the formula E = hc/λ where h is Planck's constant and c is the speed of light. E = hc/λE = (6.63 x 10^-34 J s) x (3.0 x 10^8 m/s) / (575 x 10^-9 m)E = 3.45 x 10^-19 J per photon.

Scenario D: Visible light has a photon energy of 4.160 x 10^-19 J. Here, we have to determine its wavelength, frequency, and colour. We can use the formula E = hc/λ to find the wavelength of light, where E is the energy of the photon. λ = hc/Let's substitute the given values.λ = (6.63 x 10^-34 J s) (3.0 x 10^8 m/s) / 4.160 x 10^-19 Jλ = 4.8 x 10^-7 m.

The frequency of light can be calculated using the formula c = νλ, where c is the speed of light.ν = c / λν = 3.0 x 10^8 m/s / 4.8 x 10^-7 mν = 6.25 x 10^14 Hz.

To determine the colour of visible light, we can use a chart that maps wavelength to colour. From the chart, it can be seen that the visible light of wavelength 480 nm is blue. Therefore, the visible light in scenario D is blue.

know more about wavelength,

https://brainly.com/question/31143857

#SPJ11

All matter has:

volume
mass
density
all of the above

Answers

I think the answer is mass.

write the net ionic equation for the mixing of sodium iodide and the solution of lead(ii) nitrate.

Answers

The net ionic equation for the mixing of sodium iodide and lead(II) nitrate is:

Pb2+ (aq) + 2I- (aq) → PbI2 (s)

The net ionic equation for the mixing of sodium iodide (NaI) and lead(II) nitrate (Pb(NO3)2) can be determined by examining the dissociation of the compounds and identifying the ions involved in the reaction. Here's the breakdown of the reaction:

Sodium iodide (NaI) dissociates in water to form sodium ions (Na+) and iodide ions (I-):

NaI (aq) → Na+ (aq) + I- (aq)

Lead(II) nitrate (Pb(NO3)2) dissociates in water to form lead(II) ions (Pb2+) and nitrate ions (NO3-):

Pb(NO3)2 (aq) → Pb2+ (aq) + 2NO3- (aq)

When these two solutions are mixed, a double displacement reaction occurs, leading to the formation of a precipitate. The iodide ions (I-) from sodium iodide react with the lead(II) ions (Pb2+) from lead(II) nitrate to form solid lead(II) iodide (PbI2):

2Na+ (aq) + Pb2+ (aq) + 2I- (aq) + 2NO3- (aq) → PbI2 (s) + 2Na+ (aq) + 2NO3- (aq)

The net ionic equation is obtained by removing the spectator ions, which do not participate in the reaction. In this case, the spectator ions are the sodium ions (Na+) and nitrate ions (NO3-):

Pb2+ (aq) + 2I- (aq) → PbI2 (s)

Learn more about ionic equation here, https://brainly.com/question/13879496

#SPJ11

Will mark brainliest!!

Answers

Answer:

I think its B im not sure

but i hope this helps

Other Questions
both parents and peers can influence students motivation and achievement. the impact of friends on adolescents' school performance depends on: Explain how Key Risk Indicators assist companies in identifying emerging risks. Select a company other than Intuit and provide examples of how KRIs would be useful.Explain how Key Performance Indicators help companies to manage existing risks. Select a company other than Intuit and identify at least three KPIs unique to their business.Explain how the KPIs can assist the company in managing risks specifically related to their company/industry. What is the effect of not measuring performance of an ERM program on the overall quality of the program?How can the Board of Directors be confident in the information reported on managements progress in responding to significant risks? Dualism represents the existence and persistence of substantialand even increasing divergences between the rich and poor nationsand rich and poor people on various levels. The traditional conceptof Please solve with handwriting, I don't need program solving.1. For each function, find an interval [a, b] so that one can apply the bisection method. a) f(x) = (x 2 x b) f(x) = cos(x) +1 x c) f(x) = ln(x) 5 + x 2. Solve the following linear approximate the change in the atmospheric pressure when the altitude increases from z=6 km to z=6.04 km using the formula p(z)=1000e z 10. use a linear approximation. which molecule was coded for by the longest piece of dna, assuming that no post-transcriptional rna processing or splicing has occurred? (eoc released question) Xanthe Xanderson's preferences for Gadgets and Widgets are represented using the utility function: U(G,W=G.W where:G=number of Gadgets per week and W=number of Widgets per week In the current market,Gadgets cost $10 each and Widgets cost $2.50 a Given the following table of values of G,calculate the missing values of W reguired to ensure that Ms Xanderson is indifferent between all combinations of G and W: G 10 20 30 40 50 60 70 80 W 420 [2 marks] b) Ms Xanderson has $450 available to spend on Gadgets and Widgets Determine the number of Gadgets and Widgets Ms Xanderson will purchase in a week. [6marks] c) The price of Widgets doubles while the price of Gadgets remains constant. Explain briefly,without carrying out further calculations,what you would expect to happen to Ms Xanderson's consumption of Gadgets and Widgets following the change. You may use diagrams to illustrate your answer. [4marks] d Explain how Ms Xanderson's demand curve for Widgets could be derived using the utility function and budget line [3 marks] [Total: 15 marks] If the expected inflation rate was 2.5%, the expected real interest rate was 4.0%, and the actual inflation rate turned out to be 3.2%, then the real interest rate equals O A.2.4%. 0 3.4.7%. O C.3.3%. O D.1.7%. ammonia is likely to be the primary nitrogenous waste from organisms that evolved in which of the following habitats?a. lots of fresh water flowing across the gills of a fishb. lots of seawater, such as the environment of a marine birdc. lots of seawater, such as the environment ofa marine mammal (e.g., a polar bear) d. terrestrial environment, such as one that supports crickets Remaining Time: 2 hours, 12 minutes, 08 seconds. Question Completion Status: Payton Bags (PB) is a designer of high-quality backpacks. Each design is made in small batches. Each spring. PB comes out w For the function f(x)=-10x +7x4-10x+2x-5, state a) the degree of the function b) the dominant term of the function c) the number of turning points you expect it to have d) the maximum number of zeros you expect the function to have After teaching a family member how to administer subcutaneous enoxaparin sodium, how should a nurse evaluatethe effectiveness of the training? If a 3-year rate compounded annually is 7.9%, what is the correspondingly effective monthly rate? O 0.2797% O 0.2168% O 0.2194% O 0.2479% O 0.2114% What characteristic do scientists think early hominins share with modern humans? A student is walking in the streets of Manhattan. The forecast says there is a 40% chance of rain, and a 30% chance of snow. If it rains, the student has a 90% chance of crying. If it does snow, then the student has a 80% chance of crying. If there is no precipitation, the student has a 60% chance of crying. Find the probability that it rained, given the student did not cry. Find the present value of a 15-year annuity-immediate with semi-annual payments. During the first year the semi-annual payment amount is $100 and in each subsequent year the semi-annual payment amount is $5 more than the previous year. Assume an interest rate of 6% p.a. compounded semi-annually. (Please solve without using excel table) an artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 7.72 m/s2. determine the orbital period of the satellite. Does linear regression means that Yt, Xt, Xat, are always specified as linear. Explain your answer. The 3rd term of an arithmetic sequence is 17 and the common difference is 4 a. Write a formula for the nth term of the sequence a_o= ______b.Use the formula found in part (a) to find the value of the 100th term. . a_100= ______ c.Use the appropriate formula to find the sum of the first 100 terms. S_100 = _____ a convex lens always produces a virtual image. true or false? true false