Question

When a gas is compressed at constant temperature :
(a) the speed of the molecules increases. (b) the collisions among the molecules increases.
(c) the speed of the molecules decreases. (d) the collisions among the molecules decreases.​

Answer 1

Explanation:

I think it can be option a or b

Answer 2

Answer:

b)  the collisions among the molecules increases.

Explanation:

as the space between molecules decreases but the kinetic energy of particles do not increase

the number of collisions increase but speed does not increase