A large cylindrical tank contains 0.850 m3 of nitrogen gas at 28.0 ∘C and 8.50×103 Pa...
A large cylindrical tank contains 0.850 m3 of nitrogen gas at 28.0 ∘C and 8.50×103 Pa (absolute pressure). The tank has a tight-fitting piston that allows the volume to be change
What will be the pressure if the volume is decreased to 0.450m ^3 and the temperature is increased to 165 C?
Homework Answers
from let P1,V1,T1 be the pressure ,volume and temperature in first state and P2,V2,T2 be the pressure ,volume and temperature in second state
then from gas equation PV = nRT
P1*V1/T1 = P2*V2/T2
P2 = P1*(V1/V2)*(T2/T1)
= 8.50 x 10^3 x (0.850/0.450) x ((165 +273)/(28 +273)) Pa
=8.50 x 10^3 x 1.889 x 1.455 Pa
= 2.34 x 10^4 Pa
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