Which statement describes electrolysis?(1) Chemical energy is used to produce an electrical change.
(2) Chemical energy is used to produce a thermal change.
(3) Electrical energy is used to produce a chemical change.
(4) Thermal energy is used to produce a chemical change

Answers

Answer 1

Answer:

The electrolysis describe " electrical energy is used to produce a chemical change."

What is electrolysis?

The process of dissolving ionic compounds into various constituent components by running a continuous electric current through into the complex in a fluid form is known as electrolysis.

What iselectrical energy?

The energy produced by the flow of electrons from one location to another is referred to as electrical energy. Current or electricity is the transportation of charged particles across a medium.

The electrolysis describe " electrical energy is used to produce a chemical change."

To know more about electrolysis and electrical energy.

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Answer 2

Answer: The answer is (3) electrical energy is used to produce a chemical change. They use the electrical energy to achieve some reaction that is not easy to react under common condition. For example: 2H2O -> 2H2 + O2.

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Answers

Because there is no carbon, CO2 is not a product of its combustion, only water.

Which type of bond is present in hydrogen sulfide (H2S)? The table of electronegativities is given.

Answers

nonpolar covalent bond (with LD force)

ICl has a higher boiling point than Br2. What is the best explanation for this?a.)Br2 experiences dipole0dipole interactions.
b.)ICl experiences dipole0dipole interactions.
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d.)ICl experiences induced dipole0induced dipole interactions.

Answers

The best answer is B. ICl experiences induced dipole-induced dipole interactions. Both iodine and chlorine belongs to the same group of the periodic table. Electronegativity decreases as you go down a group therefore Cl will have a greater attraction with the bond it forms with another atom. Dipole-dipole interactions form between I and Cl. For the Br2 molecule, no dipole occurs because they are two identical atoms. Therefore we will be expecting ICl will have a higher boiling point due to higher binding energy it forms.

What would happen if Earth absorbed all of the heat from the sun?(1 point)

Answers

The Earth would then intern become way too hot.

At the moment the sun provides just the right amount of heat to sustain all life on Earth, if the Earth absorbed all of the heat from the sun, the temperature would increase dramatically, leading to extreme heat. That would also lead to pretty much everything on the planet to die.

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50 POINTS Which of the following is a synthesis reaction?

2H2O yields 2H2 + O2

H2 + Cl2 yields 2HCl

2Li + CaO yields Li2O + Ca

CH4 + 2O2 yields CO2 + 2H2O

Answers

You will notice that the first answer decomposes into two seperate products with 1 reactant, so since this is only true of decomposition reactions, that is not the answer.

H2+Cl2 yields 2HCl could be the answer, as it starts with 2 reactants and ends with one product, something found in synthesis reactions.

The third answer is incorrect because even though there are no decompositions of single products, the metal exchanges positions, something that only occurs in decomposition reactions.

In the fourth answer is also incorrect because the methane is oxidized. This only happens in decomposition reactions.

The correct answer, then, is B.

Which chemicals previously used in products such as refrigerants, aerosol sprays, and cleaning products contributed to the depletion of the ozone layer

Answers

Answer:chlorofluorocarbons (CFCs) could deplete Earth's atmospheric ozone layer, which blocks the sun's damaging ultraviolet rays. When the scientists reported their findings in 1974, CFCs were widely used as refrigerant gases and as propellants in aerosol sprays

Explanation:

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