5. Calculate the total K.E. of 1 g of nitrogen at 300 K.
* Molecule weight of nitrogen = 28. (Ans. 133.4 J)
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Answered by
1
Given :
mass of nitrogen :M=28
Temperature =T=77°C=77+273=350K
Gas constant R=8.31 /mol K
K.E of 1 g of Nitrogen=K.E=3RT/2M
=3x8.31x350/2x28
=155.8J
∴Kinetic energy of 1 g of nitrogen gas at 77°C is 155.8
Answered by
0
Given :
mass of nitrogen :M=28
Temperature =T=77°C=77+273=350K
Gas constant R=8.31 /mol K
K.E of 1 g of Nitrogen=K.E=3RT/2M
=3x8.31x350/2x28
=155.8J
∴Kinetic energy of 1 g of nitrogen gas at 77°C is 155.8
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