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Q.

The amount of heat energy required to raise the temperature of 1 g of helium at NTP, from T1 K to T2 K is

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a

38NAkBT2−T1

b

32NAkBT2−T1

c

34NAkBT2−T1

d

34NAkBT2T1

answer is A.

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Detailed Solution

We know that,  Q=f2nRΔTFor helium,  f=3 and n=14∴  Amount of heat required, Q=32×14×kBNAΔT=38NAkBT2−T1
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