STANDARD Physics Kinetic Energy Assertion Reason Question
Assertion : The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its volume. Reason : The molecules of a gas collide with each other and the velocities of the molecules change due to the collision.
Both assertion and reason are true and reason is the correct explanation for assertion.
Both assertion and reason are true but reason is not the correct explanation for assertion.
Assertion is true but reason is false.
Both assertion and reason are false.
Correct Answer
Detailed Explanation
The average translational kinetic energy of a gas molecule is E = 3/2 kT. For all gas molecules, E = 3/2 PV. The assertion is true as it correctly states the relationship, but the reason does not explain why this relationship holds.
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Assertion (A): The ideal gas equation can be written as PV = μRT. | Reason (R): Avogadro's hypothesis states that the number of molecules per unit vol...