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If 20cm^3 gas at 1 atm is expanded to 50cm^3 at constant T, then what is the final pressure

If 20cm^3 gas at 1 atm is expanded to 50cm^3 at constant T, then what is the final pressure

Grade:11

2 Answers

Sameer Alam
26 Points
7 years ago
P(1)*V(1)/T=P(2)*V(2)/T
20*1=P(2)*50
P(2)=0.4 atm
This formula is valid since the no. of moles did not change and is derived from Ideal gas equation PV=nRT 
Nishant Vora IIT Patna
askIITians Faculty 2467 Points
7 years ago
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