Question

165 joules of heat is required to change the temperature of the 5 moles of an ideal monoatomic gas at constant pressure (process A) Find the amount of heat required to change the temperature of the gas at constant volume (R=8.3 j)

Answer 1

Answer:Hii dear,

# Answer- 124 J

# Given-

dT=10°K

R=8.3J/mole°K

Qp=207J

n=1

# Formula-

For one mole of an ideal monoatomic gas

Cp-Cv=R

But heat at constant pressure is given by,

Qp=n×Cp×dT

207=1×Cp×10

Cp=20.7J

Also heat at constant volume is given by,

Qv=n×Cv×dT

Qv=1×(Cp-R)×dT

Qv=(20.7-8.3)10

Qv=12.4×10

Q=124J

Heat at constant volume to raise temperature by 10°K is 124J.

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Explanation: