Kinetic Theory of Gases & Thermodynamics Test

Result

Kinetic Theory of Gases & Thermodynamics Test - 1

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Question 1
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Directions: In the following question, Statement-1 (Assertion) is followed by Statement-2 (Reason). The question has four choices, out of which only one is correct.

Statement-1:

Vessels A and B are connected to each other by a stopcock. Vessel A contains a gas at 0°C and 1 atmosphere pressure and vessel B is evaluated. The two vessels are thermally insulated from the surroundings. If the stopcock is suddenly opened, there will be no change in the internal energy of the gas.

Statement-2:

No transfer of heat energy takes place between the system and the surroundings.

A
Both statements are true and Statement-2 is the correct explanation for Statement-1.

B
Both statements are true, but Statement-2 is not the correct explanation for Statement-1.

C
Statement-1 is true, but Statement-2 is false.

D
Statement-1 is false, but Statement-2 is true.

Solution

There will be no change in the internal energy of the gas as no transfer of heat energy takes place between the system and the surroundings.