You draw back on the piston of a pump and the volume of air in the pump doubles. Which of the following happens?

A. Half of the gas leaks out and the pressure is reduced.

B. The temperature of the room doubles.

C. The number of collisions per unit area is reduced by one-half.

D. The number of collisions per unit area doubles.

Question

Chemistry

Addisyn Carter

4 November, 11:46

You draw back on the piston of a pump and the volume of air in the pump doubles. Which of the following happens?

A. Half of the gas leaks out and the pressure is reduced.

B. The temperature of the room doubles.

C. The number of collisions per unit area is reduced by one-half.

D. The number of collisions per unit area doubles.

+1

Answers (1)

Know the Answer?

Julien Madden · Answer 1

If you draw back the pistion, it means that the pressure is reduced and the volume is increased. Reducing the pressure means less collisions. So consequently, following the kinetic theory of gases, the temperature also reduces. Hence, the answer is C.