Random Translational Kinetic Energy

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Punkyc7
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What is the total random translational kinetic energy of 5.10 L of hydrogen gas (molar mass 2.016g/mo with pressure 1.04×10^5 Pa and temperature 301 K?

K=3/2nRT
Pv=nRT

P=1.01*10^5
V=5.1*10^-3

Is it just

PV/RT=n
K=3/2(PV/RT)(RT)

K=3/2 PV

K=772.62 J

Is that right because that seems too easy
 
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