The value of ∆G for a chemical reaction taking place in an organism is −255 kJ. Which of the following best describes how this will affect the organism? A. The entropy will increase as the organism uses energy to build molecules.
B. The organism will have to provide energy for the reaction to continue.
C. The organism will move away from equilibrium as energy is absorbed.
D. The reaction will release energy the organism can use to do work.

D. The reaction will release energy the organism can use to do work.

Explanation:

A negative ∆G means that the products have less free energy than their reactants. This energy had to go somewhere, it can't just disappear. That means that 255kJ of energy was released, turning into free energy for the organism to use for work.  

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i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can