Question

how many calories of heat is required for the external work when one more of a gas is heated bt 1°C at a constant pressure.​

Answer 1

At constant pressure,

Heat absorbed =ΔQ=nC

p

ΔT,

Internal energy change =ΔU=nC

v

ΔT

Required fraction =

ΔQ

ΔW

=1−

ΔQ

ΔU

=1−

C

p

C

v

=1−

γ

1