A bicycle pump contains air at one atmosphere and 0 $\degree$C.As the tire is pumped up,the volume of air decreases by 50% with each stroke.What is the new pressure of air (in atm)in the chamber after the first stroke,assuming no temperature change?
A)2
B)1
C)0.5
D)0.1
E)3

Question

A bicycle pump contains air at one atmosphere and 0  $\degree$C.As the tire is pumped up,the volume of air decreases by 50% with each stroke.What is the new pressure of air (in atm)in the chamber after the first stroke,assuming no temperature change?
A)2
B)1
C)0.5
D)0.1
E)3

Quizplus · Accepted Answer

According to Boyle's Law, which states that pressure is inversely proportional to volume when temperature is constant, if the volume decreases by 50%, the pressure will double. Therefore, the new pressure is 2 atm.

A Bicycle Pump Contains Air at One Atmosphere and 0 °\degree°

A Bicycle Pump Contains Air at One Atmosphere and 0 $\degree$