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This is for a study guide, I can't figure it out!
You draw back on the piston of a pump and the volume of air in the pump doubles. Which of the following happens?
a. The number of collisions per unit area doubles.

b. The temperature of the room doubles.

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

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

Respuesta :

W0lf93
The answer is "D" where the number of collisions per unit area is reduced by one-half. Drawing back on the piston means the volume is increased. The pressure is reduced. There are fewer collisions when the pressure is reduced.

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