The value for ΔG for one reaction, Reaction A, is -287 kJ, and the value of ΔG for a second reaction, Reaction B, is +438 kJ.?
In the cells of an organism, many chemical reactions are taking place.
The value for ΔG for one reaction, Reaction A, is -287 kJ, and the value of ΔG for a second reaction, Reaction B, is +438 kJ.
Which of the following best compares how these reactions affect the organism?
a) Reaction A absorbs energy from the organism s surroundings, while Reaction B releases energy to the surroundings.
b) Reaction A decreases entropy within the organism, while Reaction B increases entropy within the organism.
c) Reaction A moves conditions within the organism toward equilibrium, while Reaction B moves them away from equilibrium.
d) Reaction A occurs non-spontaneously in the organism, while Reaction B occurs spontaneously in the organism.
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c) Reaction A moves conditions within the organism toward equilibrium, while Reaction B moves them away from equilibrium.
The others are all very incorrect.
(a) Reaction A releases free energy and B requires the input of free energy.
(b) See the comment to Jan's answer
(d) a negative delta G is spontaneous, a positive delta G is non-spontaneous.
b) Reaction A decreases entropy within the organism, while Reaction B increases entropy within the organism