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Q.

The molar kinetic energy of molecules in 2 mol of a gas at STP would be

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a

328.314×2736.022×1023J

b

3×8.314×273 J mol−1

c

32×8.314×273 J mol−1

d

12×8.314×273 J mol−1

answer is A.

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Detailed Solution

Molar kinetic energy =(3/2)RT

R is known as the universal gas constant =8.3145J/mol. K.

T = 273 K

putting the value as

Molar kinetic energy =32×8.314×273Jmol−1

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