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4 years ago

Which two statements describe what happens to energy during cellular

Chemistry

1 answer:

kvasek [131]4 years ago

7 0

Answer:

Chemical energy is transferred to molecules of ATP and used to carry out life processes

AND

Some chemical energy is transformed into thermal energy.

Explanation:

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3 years ago

The pendulum in a clock gradually slows down and stops moving after a while student states that it’s loss of mechanical energy i

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Explanation:

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I need to know what is oxidized and what is reduced.

pishuonlain [190]

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1. Reduction: O₂ ; Oxidation: S

2. Reduction: F ; Oxidation: Al

3. Reduction: Zn ; Oxidation: H

Explanation:

Determine the oxidation state of each element:

2 CoS → Cobalt acts with +2, S with -2

O₂ is at ground state. In ground state the elements has oxidation state of 0.

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The oxidation state has decreased; oxygen was reduced.

In SO₂, sulfur acts with +4; oxidation state has increased, so S has been oxidized.

2. Both reactants are at ground state.

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Zn acts with +2, in the zinc oxide. As we have elemental Zn, the oxidation state is 0; it has decreased → reduction

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3 years ago

What is the mass number of an atom with 7 protons, 8 neutrons, and 7 electrons?

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What is the mass number of an atom with 7 protons, 8 neutrons, and 7 electrons?

A Nitrogen atom with 7 protons and 8 neutrons has a mass number of 15

That Should Be The Correct Answer :D

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