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A tank has a volume of 0.5 m' and contains 4 mol of hellium gas at 25°C
The total translational kinetic energy of the gas molecules and v of the
helium atoms, if m6.64x107 kg /molecule is:
O (6.17x10-21 J, 1363 m/s)
O (1.5x104 J, 1113 m/s)
O None of the above
O (1.5x10*4 J. 1363 m/s)
O (1.55x10^4 J, 1390 m/s)
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