How does energy flow in chemical reactions? Compare and contrast exergonic and endergonic reactions. Draw diagrams.

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How does energy flow in chemical reactions? Compare and contrast exergonic and endergonic reactions. Draw diagrams.

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Answer 1

Answer #1

Energy flow in chemical reaction in form of covent bond present in molecules which are participating in chemical reaction. When these molecules undergo breakdown process then it releases energy.

Now there are two type of chemical reaction called endothermic reaction and exothermic reaction.

Endothermic reaction

Exothermic reactionI

It requires energy to proceed chemical reaction

It's unfavourable reaction

Here Gibbs free energy is positive

Slow to occur

Eg photosynthesis process

6CO2+6H2O+ 18 ATP+ 12 NADPH---> C6H12O6+6O2

it releases energy while chemical reaction

It's always favourable reaction

Here Gibbs free energy is negative

Fast to occur

eg.respiration processs

C6H12O6 + 6 O2----> 6CO2 + 6H2O + 36 ATP

Hope it's clear..thanks

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Answer 2

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