Arrange the following solutions in order of increasing basicity: Rank solutions from smallest basicity to greatest. To rank items as equivalent, overlap the

a. radon (Rn) is noble gas with atomic number 86 b. xenon (Xe) is noble gas with atomic number 54. c. neon (Ne) is noble gas with atomic number 10.

a) Francium (Fr) is element with atomic number 87 (87 protons and 87 electrons).

Electron configuration of francium atom:                                                   ₈₇Fr 1s²2s²2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁶ 7s¹ or [Rn] 7s¹, radon (Rn) is noble gas with atomic number 86.

b) Mercury (Hg) is element with atomic number 80 (80 protons and 80 electrons). Electron configuration of mercury atom:                                                  ₈₀Hg 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² or [Xe] 4f¹⁴ 5d¹⁰ 6s², xenon (Xe) is noble gas with atomic number 54.

c) Silicon (Si) is element with atomic number 14 (14 protons and 14 electrons).Electron configuration of silicon atom: ₁₄Si 1s² 2s² 2p⁶ 3s² 3p² or [Ne] 3s² 3p², neon (Ne) is noble gas with atomic number 10.

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To solve this, we need to have clear concept about  electron rich and electron poor groups. Therefore, electron rich groups are option B,C,F. Electron poor groups are option C,E.

It is electron-rich if the core atom contains more than 8 electrons. SO[tex]_2[/tex] is one such example. Sulphur is connected to a total of ten electrons. There are four bond pairings and one lone pair. These serve as effective Lewis bases.

The core atom is considered to be electron accurate if it has exactly 8 electrons; H[tex]_2[/tex]O and NH[tex]_3[/tex] are examples. Depending on whether or not they have lone pairs of electrons, such molecules may or may not behave as Lewis bases.

Therefore, electron rich groups are option B,C,F. Electron poor groups are option C,E.

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Apollo boasted to Cupid about how much larger his bow was. Apollo was offended, and Cupid hit him with a golden love arrow in retaliation, leading him to fall in love with the first person he saw.

Apollo had cracked far too many jokes about Eros. Eros shot Apollo with one of his golden arrows as a kind of retribution, which caused Apollo to fall hopelessly in love with the nymph Daphne.

The next action taken by Cupid was something Apollo did not anticipate. The god of love flapped his wings as he soared alongside the god of music. Then, with a "golden arrow with a keen gleaming point," he shot him in the chest.

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Answer:

A

Explanation:

To calculate the molality of a solution, you need to know the mass of the solute (in this case, H2SO4) and the mass of the solvent (in this case, water). To find the mass of the solvent, you can use the density of the solution and the volume of the solvent:

Density = Mass / Volume

Rearranging the equation and solving for mass:

Mass = Density * Volume

You can then use the mass of the solvent and the molarity of the solution to calculate the molality:

Molality = (Moles of solute) / (Mass of solvent in kilograms)

For a 6.0 M solution of H2SO4, the moles of solute can be calculated by multiplying the molarity by the volume of the solution:

Moles of solute = Molarity * Volume = 6.0 M * 1.00 L = 6.0 moles

If the density of the solution is 1.34 g/mL and the volume of the solution is 1.00 L, the mass of the solvent can be calculated as follows:

Mass of solvent = Density * Volume = 1.34 g/mL * 1.00 L = 1.34 grams

To convert the mass of the solvent to kilograms, you can divide the mass by 1000:

Mass of solvent in kilograms = 1.34 grams / 1000 = 0.00134

According to VSEPR theory, bent molecular geometry can be formed by all given option choices except  trigonal planar electron group geometry with 0 lone pairs and 3 bonding groups  as lone pair cause  bending in molecules.

Molecular geometry can be defined as a three -dimensional arrangement of atoms which constitute the molecule.It includes parameters like bond length,bond angle and torsional angles.

It influences many properties of molecules like reactivity,polarity color,magnetism .The molecular geometry can be determined by various spectroscopic methods and diffraction methods , some of which are infrared,microwave and Raman spectroscopy.

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The amount of sugar solute that can dissolve in 100 grams of water at 20°C depends on the type of sugar being dissolved.

A solute is any substance that is dissolved in a solution, usually in a liquid. It is the minor component of a solution and is present in a smaller amount than the solvent. The concentration of the solute is usually expressed as a percentage of the total solution. Solutes can be either organic or inorganic compounds, including gases, minerals, and acids. Solutions are important in everyday life, from the salt water in the ocean to the sugar in tea. In fact, almost all biological fluids contain solutes, such as proteins and hormones.

For example, granulated white sugar has a solubility of 204.0 grams per 100 grams of water at 20°C, while brown sugar has a solubility of 180.0 grams per 100 grams of water at 20°C. Therefore, the amount of sugar solute that can dissolve in 100 grams of water at 20°C will depend on the type of sugar being dissolved.

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Scope 3 emissions are measured by quantifying the indirect emissions associated with a company's activities.

Scope 3 emissions are a type of greenhouse gas (GHG) emissions that are indirect and not under the direct control of a company. These emissions can be caused by a wide range of activities, such as the use of products and services, the transportation of goods, the disposal of waste, and the outsourcing of activities. To measure scope 3 emissions, a company must first identify all of the relevant indirect emissions associated with its activities.

This can be done by conducting a thorough inventory of the company's operations and supply chain, and by collecting data on energy use, transportation, and other relevant factors. Once the emissions have been identified, they can be quantified using GHG emissions factors and other relevant data. The resulting emissions data can then be used to track progress and set reduction targets.

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A person may develop illnesses and diseases like Asbestosis after being exposed to chemical dangers at work.lung tumours.brain injury Burns from chemicals poisoning by heavy metals. nerve harm..

Carbon monoxide, ammonia, chlorine, hydrochloric acid, & sulfuric acid are the top five chemicals that the Centers for Disease Control and Prevention (CDC) connect with damage.

Tissue damage from chemical burns is brought on by powerful acids, drain cleaners, paint thinner, gasoline, and many other things.In most cases, you are aware of a burn's cause.However, a burn brought on by a gentler chemical could occasionally go undetected at first.

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Answer:

Which option below contains materials that can ALL be put into biogas plant?

D. Water hyacinth, poultry wastes, husk

11. A

12. B

17. D

18. D

16. A

5. B

6. D Sieving

i just follow the numbers in each question, the pictures is not in chronological order..

Explanation:

(B)  6 ơ and 3 bonds are there in acrylonitrile

The organic compound acrylonitrile has the formula CH2CHCN and the structure H2C=CHCN. Although commercial samples can be yellow due to impurities, it is a colorless, volatile liquid. It smells strongly like garlic or onions. It has a vinyl group connected to a nitrile as its basic building block at the molecular level.

Any chemical compound that has carbon-hydrogen or carbon-carbon bonds is considered an organic substance in chemistry. Millions of organic compounds have been identified because of carbon's capacity for catenation.

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The Compounds A, B, and C are ionic compounds because they are solid at room temperature. Therefore, option B is correct.

A chemical compound known as an ionic compound is one that contains ions bound together by the electrostatic forces known as ionic bonding. Despite having both positively and negatively charged ions, or cations and anions, the molecule is generally neutral.

Ionic chemicals are brittle and rigid. When an ionic chemical is dissolved in water, it separates into ions. Ionic compound solutions and melting forms of these substances carry electricity, while solid materials do not. The chemical formula of an ionic compound is metal + nonmetal or polyatomic ions.

Thus, option B is correct.

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Answer:

K

Explanation:

The option that is the most likely explanation for the variance of the data point for the 0.600 m cuso4 solution is option (A) The cuvette into which the 0.600 M solution was placed has some water W droplets inside.

Based on the information provided, the most likely explanation for the variance of the data point for the 0.600 M CuSO4 solution is that the cuvette into which the solution was placed has some water droplets inside. This is because the water droplets would interfere with the measurement of absorbance, causing a variance in the data point. Option (A) is the correct answer.

Note that Option (B) is not a likely explanation because the amount of solution in each cuvette should not affect the absorbance measurement. Option (C) is also unlikely because the wavelength setting is not mentioned as being changed, and option (D) is not a likely explanation because it is not specified that the cuvettes were not wiped clean before being put in the spectrophotometer.

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If the balloon is closed, then yes, both volume and pressure will increase when the gas inside is heated.

What is pressure?

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

Various units are used to express pressure. Some of these are units of force divided by units of area. For example, the SI unit of pressure, Pascal (Pa), is 1 Newton per square meter (N/m2). Similarly, pounds force per square inch (psi, symbol lbf/in2) is the traditional unit of pressure in imperial and US systems. Pressure can also be expressed as standard atmospheric pressure. Atmospheric pressure (atm) is equal to this pressure and torr is defined as 1/760 of this. Manometric units such as centimeters of water, millimeters of mercury, and inches of mercury are used to express pressure as the height of a particular liquid column within a manometer.

If the balloon is closed, then yes, both volume and pressure will increase when the gas inside is heated.

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The electron configuration for a neutral atom of titanium 1s² 2s² 2p6 3s²3p6 4s² 3d².

The distribution of electrons within an atom, molecule, or other physical structure in their respective orbitals is known as the electron configuration in atomic physics and quantum chemistry. As an illustration, the neon atom's electron configuration is 1s2 2s2 2p6, which means that 1, 2 and 6 electrons, respectively, are present in each of the subshells of the first two atoms.

According to electronic configurations, each electron moves on its own in an orbital within the collective average field that all other orbitals form. Slater determinants, also known as configuration state functions, mathematically define configurations.

For systems with a single electron, each electron configuration has a particular amount of energy, and under specific circumstances, electrons are able to switch between these configurations, according to the laws of quantum mechanics.

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The structure of (Z)-4-ethyl-3-methyl-3-heptene is shown in the attached figure below.

The E- and Z- alkenes are more reliable and particularly used for tri- or tetra-substituted alkenes when the substituents are not alkyl groups. The Cahn-Ingold-Prelog priority rules are utilized for naming geometric isomers such as E- or Z-alkene and other stereoisomers.

The trans (E) isomers are more stable and lower in energy than the (Z) cis-isomers. In the letter E, the higher priority groups are on the same side, and in the E-isomer, the higher priority groups are on opposite sides.

In the Z-isomer of the alkene, the higher priority groups are on the same side.

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Classify each of the species as paramagnetic or diamagnetic.

The magnetic properties of elements can be categorized into two categories: paramagnetic and daimagnetic. Paramagnetic materials have a magnetic dipole moment that is caused by the presence of unpaired electrons. These materials are attracted to external magnetic fields. On the other hand, diamagnetic materials have a magnetic dipole moment that is caused by the presence of paired electrons. These materials are repelled by external magnetic fields.

Oxygen is an example of a paramagnetic element. It has two unpaired electrons in its outermost energy level, which gives it a magnetic dipole moment. This causes it to be attracted to external magnetic fields. Carbon, on the other hand, is diamagnetic. It has four electrons in its outermost energy level, which is completely filled. This means there are no unpaired electrons, so it has no magnetic dipole moment and is repelled by external magnetic fields.

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Some of the carbon neutral examples are Planting trees, Capturing and storing carbon dioxide emissions, Using renewable energy, Purchasing carbon credits, Driving an electric or fuel cell vehicle.

Carbon neutrality refers to achieving net zero carbon dioxide emissions by balancing a measured amount of carbon dioxide emissions with an equivalent amount of carbon dioxide removal or sequestration. Here are some examples of actions or activities that can contribute to carbon neutrality:

Planting trees or other vegetation, which absorb carbon dioxide from the atmosphere as they grow

Capturing and storing carbon dioxide emissions from power plants or other industrial sources

Using renewable energy sources like solar or wind power, which do not emit carbon dioxide during electricity generation

Offsetting emissions by purchasing carbon credits, which represent a reduction or removal of carbon dioxide emissions from the atmosphere

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Yes, fruit juice react with metal.

Describe a metal.

Hard, lustrous, malleable, fusible, and ductile are all characteristics of metal, a solid material that conducts heat and electricity. The materials that have a propensity to donate electrons are metals.

An extremely active metal is aluminum. It develops a thin layer of aluminum oxide tarnish right away. The water stops the aluminum's reaction with the tarnish because it is mostly waterproof, but orange juice, which contains a moderate acid, can dissolve the tarnish and keep the aluminum's reaction with the liquid going.

Therefore, fruit juice react with metal.

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The actual volume of the pipet 1.0037 is At about 4° Celsius, the density of fresh water reaches its maximum. The mass of water you pipetted is the difference in mass. Let's use the density to convert it to volume. The amount of water will be 1.0037 at 23.5 °C.

The formula for figuring out how much water was dispensed by the pipette is V = w * Z, where w is the water's weight, Z is a conversion factor based on the water's density, and V is the computed volume.

For a certain volume, volumetric pipettes are created to be extremely accurate. They can be utilized to move that amount of liquid that can be used to dilute or create a solution.

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This is because the Van't Hoff factor for NaCl is 2 while it is 1 for glucose.

What is freezing point?

When a liquid's temperature falls below its freezing point, it transforms into a solid. According to the internationally accepted definition, freezing refers to the solidification phase change of a liquid or the liquid content of a substance, which occurs most commonly as a result of cooling.

The melting and freezing points of most substances are the same temperature; however, some substances have different solid-liquid transition temperatures. Agar, for example, has a hysteresis in its melting and freezing points. It melts at 85°C (185°F) and solidifies at temperatures ranging from 32°C to 40°C (89.6°F to 104°F).

Hence, this is because the Van't Hoff factor for NaCl is 2 while it is 1 for glucose.

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Answer:

Thus, the correct answer is 'Bedrock and atmosphere.

Explanation:

The shape of a molecule can help it carry out its normal function because it interacts with different molecular partners in order to play a given role.

The shape of a protein affects protein function because it depends on a specific tridimensional conformation to interact with other molecules in the cell, such as an enzyme that binds its active site to ligands.

Therefore, with this data, we can see that the shape of a protein effectively affects protein function due to the types of interaction it may carry out.

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The true statement is that lambda O max increases as the number of conjugated bonds in a molecule increases. This is due to the “conjugated effect”, which explains why molecules with more conjugated bonds are better absorbers of light.

Conjugated systems absorb ultraviolet (UV) light. The wavelength at which light is absorbed, known as the lambda O max, is dependent on the number of conjugated bonds in a molecule. In general, the more conjugated bonds a molecule has, the higher its lambda O max.

When considering the true statement, it is clear that lambda O max increases as the number of conjugated bonds in a molecule increases. As the number of conjugated bonds increases, the molecule can absorb a higher energy of light, thus increasing the lambda O max. This phenomenon is known as the “conjugated effect”, which explains why molecules with more conjugated bonds are better absorbers of light.

In contrast, the statement that lambda O max increases as the number of conjugated bonds in a molecule decreases is false. As the number of conjugated bonds decreases, the molecule will be unable to absorb higher energy light and thus the lambda O max will decrease.

Finally, the statement that lambda O max is not affected by the number of conjugated bonds in a molecule is false. As discussed above, the lambda O max is directly related to the number of conjugated bonds in a molecule. A higher number of conjugated bonds results in a higher lambda O max, while a lower number of conjugated bonds results in a lower lambda O max.

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For a chemical reaction in a closed system, mass cannot be (created) or  (destroyed). We can say that throughout the reaction mass is (conversed). Hence, the answer is: D. created; destroyed; conserved.

In chemistry, the law of conversation states that in an isolated system, certain physical property does not change over time. For example, if two reactants react and produce gas, this system's total mass remains the same as the initial mass. Hence, the mass cannot be created or destroyed. It also applies to energy. It cannot be created or destroyed, but just changed from one form of energy to the other.

This question seems incomplete. The complete query is as follows:

“For a chemical reaction in a closed system, mass cannot be ______________ or _______________. We can say that throughout the reaction mass is _____________.

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When the products have lower enthalpy than the reactants, the reaction tends to be spontaneous.

Spontaneous reactions are those that occur without any external input of energy. In general, spontaneous reactions tend to occur when the products have lower enthalpy than the reactants.

It is not necessarily true that a reaction will be spontaneous just because the products have lower enthalpy than the reactants. Other factors, such as the entropy of the reactants and products, can also affect the spontaneity of a reaction.

So, to summarize: When the products have lower enthalpy than the reactants, the reaction tends to be spontaneous. However, the spontaneity of a reaction also depends on other factors, such as the entropy of the reactants and products.

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Get medical attention as soon as possible. If a person breathes large amounts of this chemical, move the exposed person to fresh air at once. Other measures are usually unnecessary.

If a shower is available, take off any contaminated clothing or jewellery and rinse the chemicals off for least 20 minutes.Avoid getting chemicals in your eyes.Dress the burn.Apply a fresh bandage to the burn.

A poisonous substance can have both immediate and long-term impacts on your health.Acute (short-term) effects manifest immediately or shortly after chemical exposure.

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