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Grade 12th passThermal Physics

The amount of heat needed to raise the temperature of 5 moles of a monatomic gas from o degree to 50 degree keeping it's pressur constant is

Profile image of Rahul
4 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas Amritiya
4 Years ago
At constant pressure,
Q =nCp​ΔT
207 =Cp​×10
Cp​=20.7
At constant volume, W = 0
Q = U =nCv​ΔT
Cp​=Cv​+R
Cv​=20.7−8.3=12.4
Q =12.4×10
Q = 124 J