A diatomic ideal gas at pressure p and volume V is expanding to three times its initial volume under constant pressure. W=2pV. a) If the initial temperature equals T, express the final temperature Tf in terms of the original temperature T.  b) In terms of p and V, calculate the expression of the heat Q flowing into the gas.  c) In terms of p and V, calculate the expression of the change in internal energy ΔU.

University Physics Volume 2
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ISBN:9781938168161
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Chapter3: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 76P: (a) An ideal gas expands adiabatically from a volume of 2.0103 m3 to 2.5103 m3. If the initial...
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A diatomic ideal gas at pressure p and volume V is expanding to three times its initial volume under constant pressure. W=2pV.

a) If the initial temperature equals T, express the final temperature Tf in terms of the original temperature T

b) In terms of p and V, calculate the expression of the heat Q flowing into the gas. 

c) In terms of p and V, calculate the expression of the change in internal energy ΔU

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