ch19-p053 - 53. (a) Since the process is at constant...

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() ( ) ( ) 3 77 4.00mol 8.31J/mol K 60.0K 6.98 10 J. 22 Qn R T = (b) The change in the internal energy is given by Δ E int = nC V Δ T , where C V is the specific heat at constant volume. For a diatomic ideal gas 5 2 V CR = , so ( ) ( ) 3 int 55 4.00mol 8.31J/mol.K 60.0K 4.99 10 J. En R T Δ= Δ = = × (c) According to the first law of thermodynamics, Δ E int = Q – W , so 33 3 int 6.98 10 J 4.99 10 J = 1.99 10 J. WQ E =− Δ = × × × (d) The change in the total translational kinetic energy is
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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