. Internal energy and pressure of a gas per unit volume are related as


(a) P = 2/EE

(b) P = 3/2E

(c) P =1/2E

(d) P = 2E

Best Answer

Ans: (a) According to the kinetic gas equation, PV = 1/3mnc2

Where, m = mass of one molecule of the gas

And, n = moles of the gas

moles

Note that the internal energy of an ideal gas is equal to its kinetic energy because the potential energy of an ideal gas is zero as there is no intermolecular interaction between gas particles.

 no intermolecular interaction between gas particles.

 

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