A system at chemical equilibrium A) consumes energy at a steady ...

[Hawke]

A system at chemical equilibrium
A) consumes energy at a steady rate.
B) releases energy at a steady rate.
C) consumes or releases energy, depending on whether it is exergonic or endergonic.
D) has zero kinetic energy.
E) can do no work.

[coco]

It's most likely E. It makes sense given what's in the textbook.

[Hawke]

Thanks, and your suggestion was right.