In case of diatomic gas,the fraction of energy used for expansin
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When an ideal diatomic gas is heated at constant pressure then the fraction
When an ideal diatomic gas is heated at constant pressure then the fraction of heat energy which is used to increase the internal energy of the system is
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internal energy of the system is 5/7
Answer:For a diatomic ideal gas near room temperature what fraction of the heat supplied is available for external work if the gas is expanded at constant pressure and temperature
In the process of expansion at constant pressure P,assuming that teh volume from v1 and v2 and the temperature changes from T1 to T2
pV1=nRT1
pV2=nRT2
the work done by the system on the outside world is
W=P(v1-v2)=n RΔT and the increase in internal energy of system is
ΔU=Cv ΔT
W/Q=W/ Δu+W=nR/ Δ+nR=2/7
In the process of expansion at constant temperature,the internal energy does not change
w/q=1
Explanation: