(a) Consider an ideal gas at 227 °C consists of diatomic molecules whose number of molecules is 12.04 x 1023. Calculate the final temperature of the gas if one transfers heat to the gas 5000 J and the gas performs a work of 7500 J.

Elements Of Electromagnetics
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Prob. 5
(a) Consider an ideal gas at 227 °C consists of diatomic molecules whose number of molecules is
12.04 x 1023. Calculate the final temperature of the gas if one transfers heat to the gas 5000 J
and the gas performs a work of 7500 J.
(b) Discuss the first law of thermodynamics briefly and state why is the internal energy is a
function of state In addition compute the change in the internal energy and temperature of
two distinct processes performed on a diatomic ideal gas with 7 degrees of freedon per
molecule. In the first process the 2500 J of heat is tranferred to the gas in a isovolumetric
manner. While in the second process one does 2500 J of work on the gas but the gas does no
work and no heat is added or taken from the gas. Compare two cases and relate with the
fact that internal energy is a state function.
Transcribed Image Text:Prob. 5 (a) Consider an ideal gas at 227 °C consists of diatomic molecules whose number of molecules is 12.04 x 1023. Calculate the final temperature of the gas if one transfers heat to the gas 5000 J and the gas performs a work of 7500 J. (b) Discuss the first law of thermodynamics briefly and state why is the internal energy is a function of state In addition compute the change in the internal energy and temperature of two distinct processes performed on a diatomic ideal gas with 7 degrees of freedon per molecule. In the first process the 2500 J of heat is tranferred to the gas in a isovolumetric manner. While in the second process one does 2500 J of work on the gas but the gas does no work and no heat is added or taken from the gas. Compare two cases and relate with the fact that internal energy is a state function.
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