The average translational kinetic energy of 10 gram H2 at 27 °C is
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a
37250 J
b
18750 J
c
12450 J
d
3737 J
answer is B.
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Detailed Solution
Average translational kinetic energy of a gas is given asKE=32nRT, where n is number of moles of gas, R is universal gas constant and T is absolute temperature of gas.KE=32×5×253×300JKE=18750JHence, average translational kinetic energy of gas is 18750 J.