Question

According to this graph, which statement describes how the amount of copper changes over time in the reaction
CuO + H2 → Cu + H2O?

Answer 1

A.
The amount of the reactant CuO increases rapidly at first and then continues to increase slowly.

B.
The amount of the product Cu increases rapidly at first and then continues to increase slowly.

C.
As time passes there is steady decrease in the amount of Cu.

D.
As time passes CuO and Cu will reach a dynamic equilibrium.

Answer 2

@Dan.Harrison

Answer 3

I think it is B.