The number of molecules per unit volume in the sample is 20. The mass – McqOptions

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1.	The number of molecules per unit volume in the sample is 20. The mass of each molecule is 10-20kg. The mean of speed squared is 4m2/s2. What is the value of internal energy of the gas? Assume volume of container is 0.02m3.
A.	0.8*10-20J
B.	0.53*10-20J
C.	0.01*10-20J
D.	0.45*10-20J
Answer» B.

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