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Posted by on Thursday, December 4, 2008 at 6:03am.

A container of volume 0.39 m3 contains 8.7 mol of argon gas at 32◦C. Assuming argon behaves as an ideal gas, find the total internal energy of this gas. Answer in units of J.Given: R = 8.31451 J/mol • K.

  • physics - , Thursday, December 4, 2008 at 7:27am

    Internal energy per mole = Cv*T (for ideal gases), and
    = (3/2) R T for monatomic gases (like argon)

    Since you know the number of moles, you don't need to know the volume.

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