Question

When a diatomic gas expands at constant pressure, the percentage of heat supplied that increases temperature of the gas and in doing external work in expansion at constant pressure is 1) 60%, 40% 2) 40%, 60% 3) 28.57%, 71.42% 4) 71.42%, 28.57%​

Answer 1

Answer:

For an isobaric process, Q=nC

P

ΔT and W=nRΔT

now, C

P

=

γ−1

γR

for an isobaric process, where γ is the adiabatic index of the heat capacity ratio.

⇒

ΔQ

ΔW

=

C

P

R

=

γ

γ−1

For monotonic gases, γ=

3

5

⇒

ΔQ

ΔW

=

γ

γ−1

=

3

5

3

5

−1

=0.4=40%

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Answer 2

Answer:

Answer 1) 60%, 40%

Explanation:

1) 60%, 40%

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