Asked by Anna
A bicycle pump contains 250cm3 of air at a pressure of 90kPa. If the air is compressed , the volume is reduced to 200cm3. What is the pressure of the air inside the pump?
Answers
Answered by
Damon
P V = n R T
if n , R and T are constant then
P1 V1 = P2 V2
P2 = P1 (V1/V2)
Assuming that T is constant is needed but unreliable because in real life the pump will heat up.
if n , R and T are constant then
P1 V1 = P2 V2
P2 = P1 (V1/V2)
Assuming that T is constant is needed but unreliable because in real life the pump will heat up.
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