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A bicycle pump contains 250cm3 of air at a pressure of 90kPa, the volume is reduced to 200cm3. What is the pressure of the air inside the pump?

a. 75 kPa
b. 220 kPa
c. 112.5 kPa
d. 240.4 kPa

3 answers

Assuming the temperature does not change,
90*250 = 200P
Please explain what happen to the volume that was reduced to 200cm3?
PV = kT
So, PV is constant. I just plugged in your numbers
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