4.19

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805329408
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Joined: Wed Nov 20, 2019 12:21 am

4.19

Postby 805329408 » Sun Feb 09, 2020 1:12 am

Calculate the molar kinetic energy (in joules per mole) of Kr(g) at (a) 55.85 8C and (b) 54.85 8C.

What equation are we supposed to use to start this problem?

DarrenKim_1H
Posts: 123
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Re: 4.19

Postby DarrenKim_1H » Sun Feb 09, 2020 5:50 pm

We use variation of Cm = q/n delta T

where Um is the molar entropy and given as:

Um = (3/2)RT


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