Use the drop-down menus to identify each organic reaction as an addition, substitution, elimination, or condensation reaction. (C H 3) subscript 3 C O H plus C H 3 O H right arrow (C H 3) subscript 3 C O C H 3 plus H 2 O. H 3 C H C double bond C H C H 3 plus H upper B r right arrow C H 3 C H 2 C H (upper B r) C H 3. (C H 3) subscript 3 C O H right arrow C H 3 C H 3 C H 2 plus H 2 O. A benzene ring plus upper B r subscript 2 right arrow benzene ring with upper B r bonded to the top, plus upper H upper B r.

Answer:

The solid has broken down into pieces so small that its particles spread all throughout the new mixture.

Answer:

on the surface of the cathode

Answer: a gas

The gas phase is the phase where particles are packed the least tightly together.

Answer: B) the answer is CD with the line on top

Explanation:

Both the samples can be used to make inferences about the population.

A non-normal distribution is when the data is concentrated on one side with decreasing amount streaming off to the left or right side

It is given in the question that

Total number of population = 25000

% of a sample of Jason = 0.24%

% of the sample of Yolanda's = 0.32%

According to the Jason's Sample

the number of the population  is given by

0.24 * 25000 / 100

60

According to the Yolanda's Sample

The number of the population is given by

0.32 * 25000 / 100

80

Both the samples can be used to make inferences about the population.

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Answer:

Option

Explanation:

Rock is broken into piece but thestate is normal

Answer:

Radiation is the transfer of heat between objects which are not touching. I think

Explanation:

Answer:

MgBr

NaCl

Explanation:

Answer: C, 1.68 x 10^-21

Explanation: Edge 2022

Answer:

C

Explanation:

chem ed 2022

When a solid is dissolved into a liquid,

So, option C is correct is one.

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Answer:

The double bond is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons. Carbon dioxide, CO2 Ethene, C2H4 Ethene has a double bond between the two carbon atoms. A more sophisticated view of the bonding in ethene

Explanation:

What is the increment of change in a series of straight-chain alkanes?

CH

CH3

CH4

CH2

Answer:

CH2

Answer:

Hope this helps :D

Explanation:

Metal: Aluminum and Copper

Non-Metal: Hydrogen and Flourine

Acid: Sulfuric Acid and Phosphoric Acid

Alkali Metals: Hydrogen and Lithium

Compounds: Water and Carbon Dioxide

Elements: Carbon and Oxygen

Answer:

The correct answer is A, or "so they can effectively communicate their findings.

Explanation:

The metric system is the international system of weights and measures, which is used universally in the scientific community. Scientists benefit from the metric system so that they can communicate theories, ideas and most importantly data in a way everyone understands. It is virtually impossible to comprehend any modern, data-rich research in the natural or physical sciences without referring to the metric system and being able to contextualize the numbers and units it includes.

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I appreciate it :)

The overall charge on this atom is zero if the lithium atom has three, protons, three neutrons, and three electrons.

The smallest tiny particles of matter which can't be divided further is called atoms.

The lithium atom is always electrically neutral, ie, it has no charge. A proton has a unit positive charge while an electron has a unit negative charge, an atom has an equal number of protons and neutrons and thus it is electrically neutral.

Hence, the overall charge on this atom is zero if the lithium atom has three, protons, three neutrons, and three electrons.

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Answer:

green n yellow and white and black and white sq

Answer:

.6 M

Explanation:

.45 moles / .750 liters = .6 M

Answer:

3)  670.7 °C (nearest tenth)

4)  818.2 torr (nearest tenth)

Explanation:

[tex]\sf \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}\quad \textsf{(when pressure is constant and temperature is in kelvin)}[/tex]

where:

Given values:

Convert the temperature in Celsius to kelvin by adding 273.15:

⇒ [tex]\sf T_1[/tex] = 10 + 273.15 = 283.15 K

Substitute the given values into the formula and solve for T₂:

[tex]\implies \sf \dfrac{3}{10}=\dfrac{283.15}{T_2}[/tex]

[tex]\implies \sf 3 \cdot T_2=283.15 \cdot 10[/tex]

[tex]\implies \sf T_2=\dfrac{2831.5}{3}[/tex]

[tex]\implies \sf T_2=943.83333...\:K[/tex]

Converting kelvins back to Celsius:

[tex]\implies \sf T_2=943.83333...-273.15=670.68333...\:C^{\circ}[/tex]

Therefore, the final temperature will be 670.7 °C (nearest tenth).

[tex]\sf \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}\quad \textsf{(when volume is constant and temperature is in kelvin)}[/tex]

where:

Given values:

Convert the temperature in Celsius to kelvin by adding 273.15:

⇒ [tex]\sf T_1[/tex] = 27 + 273.15 = 300.15 K

⇒ [tex]\sf T_2[/tex] = 50 + 273.15 = 323.15 K

Substitute the given values into the formula and solve for P₂:

[tex]\implies \sf \dfrac{760}{300.15}=\dfrac{P_2}{323.15}[/tex]

[tex]\implies \sf 760 \cdot 323.15=P_2 \cdot 300.15[/tex]

[tex]\implies \sf 245594=300.15 \cdot P_2[/tex]

[tex]\implies \sf P_2=\dfrac{245594}{300.15}[/tex]

[tex]\implies \sf P_2=818.23754...\:torr[/tex]

Therefore, the new pressure is 818.2 torr (nearest tenth).

Answer:

The concept of the atom (Greek: atomos, "indivisible"), an indivisible particle of matter, goes back to ancient Greece and a man named Democritus, a rival of Aristotle. Democritus held that all matter could be subdivided only until some finite particle was reached.Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties. Dalton based his theory on the law of conservation of mass and the law of constant composition. The first part of his theory states that all matter is made of atoms, which are indivisible.Atomic theory established that all matter is made of tiny particles, a discovery that led to amazing scientific breakthroughs in areas from modern chemistry to nuclear energy.Atomic models are important because, they help us visualize the interior of atoms and molecules, and thereby predicting properties of matter.This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did not fit with the existing model. Scientists changed the model so that it could explain the new evidence.Atomic theory originated as a philosophical concept in ancient India and Greece. The word "atom" comes from the ancient Greek word atomos, which means indivisible. According to atomism, matter consists of discrete particles. However, the theory was one of many explanations for matter and wasn't based on empirical dataEverything is composed of atoms, which are the indivisible building blocks of matter and cannot be destroyed. All atoms of an element are identical. The atoms of different elements vary in size and mass. Compounds are produced through different whole-number combinations of atoms.Dalton's atomic theory suggested that the atom was indivisible and indestructible. But the discovery of two fundamental particles (electrons and protons) inside the atom, led to the failure of this aspect of Daltons atomic theory.

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Answer:

Boil the water and stir in potassium nitrate. If it doesn't all dissolve, you can cook it on the stove or microwave it until the water boils again. Remove the solution from heat, but let it cool slowly for the best crystal formation.

Answer:

propa-1-nol

Explanation:

easy clapp

The attraction of an [tex]SO_4^{2-}[/tex] ion leads to the formation of an ionic bond with [tex]Hg^{2+}[/tex]

Ionic bond, also called an electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.

Since the question asking among all these options:

(a) The attraction of a noble gas

(b) The attraction of a [tex]NH^{4+}[/tex] ion

(c) The attraction of a group 1 element

(d) The attraction of a [tex]SO_4^{2-}[/tex] ion

An ionic bond can be formed after two or more atoms lose or gain electrons to form an ion. Ionic bonds occur between metals, losing electrons, and nonmetals, gaining electrons.

Hence, option D is correct.

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All types of energy can be resumed into two basic types of energy which include kinetic energy and potential energy.

Energy is the ability to perform a given work. Kinetic energy is energy in movement, whereas potential energy is stored energy.

For example, plant photosynthesis makes reference to chemical energy (potential energy), popcorn makes reference to thermal energy, etc.

In conclusion, all types of energy can be resumed into two basic types of energy which include kinetic energy and potential energy.

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Answer: 18 g

Explanation:

[tex]0.12=\frac{\text{mass of NaCl}}{140}\\\text{mass of NaCl}=(0.12)(140)=16.8 \text{ g}[/tex]

The option closest to this is 18 g

The practice that has been able to save some organisms from extinction is cross breeding.

Cross breeding is the process of producing separate strains of the same species in order to create new traits.

Living organisms are bound to go extinct when faced by certain unfavorable conditions that cannot be adapted to.

However, the production of resistant strains of the same species of an organism via cross breeding can help prevent them from going extinct.

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Answer:

c

Explanation:

Answer: 80.9 K

Explanation:

[tex]Q=mc \Delta T\\\\1345=(43.2)(0.385) \Delta T\\\\\Delta T=\frac{1345}{(43.2)(0.385)} \approx \boxed{80.9 \text{ K}}[/tex]

Answer:

the pH of a solution if h+ 1.0 x 10-9 M

5

Explanation:

Concentration (mol/L)[H3O+]pHpOH1 x 10-8861 x 10-9951 x 10-10104

A typical example of metal ore is copper which is used for production of electrical wires.

Metal ores are defined as the metals that are naturally deposited at the earth crust which can serve as a valuable resources for many industries.

The copper is a typical example of a metal ore which is a good conductor of electricity used for production of electrical wires.

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The other students in the lab should be notified next in this type of scenario.

This is a substance which donates protons and is very corrosive. It also turns blue litmus paper red.

When it was spilled and baking soda was used to neutralize it on the floor , it is best to inform the other students too so as to prevent them from being exposed by mistake thereby reducing risk of injury.

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[tex]SrBr_{2}[/tex]

Chemical formulas are a way to show the elements and the amount of each element present in a compound.

Element Symbol

To write a chemical formula you need to use their chemical symbols. So, we need to find the symbols for strontium and bromide.

Charges

However, elements do not combine in random ratios. The ratios are based on charges so that all compounds have a neutral charge. Elements will have different subscripts to ensure that compounds have a neutral overall charge. So, to correctly write the formula we need to know the charges Sr and Br have when they became ions.

To cancel the positive 2 out, we must have 2 bromines. That means the final formula for strontium bromide is [tex]SrBr_{2}[/tex]. Now, the compound has a charge of 0.