Assertion (A) : The heat absorbed during the isothermal expansion of na ideal gas against vaccum is zero. Reason (R ) : The volume occupied by the molecules of an ideal gas is zero.
A
If both (A) and (R ) are correct, and (R ) is the correct explanation for (A).
B
If the both (A) and (R ) are correct, but(R ) is not a correct explanation for (A).
C
If (A) is correct, but (R ) is incorrect.
D
If both (A) and (R ) are incorrect.
Text Solution
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The heat absorbed during the isothermal expansion of an ideal gas against vacuum is zero. This is because there are no forces of attraction between the gas molecules. The volume occupied by the molecules of an ideal gas is zero. For an ideal gas, they are point molecules.
Assertion: The heat absorbed during the isothermal expansion of an ideal gas against vacuum is zero. Reason: The volume occupied by the molecules of an ideal gas is zero.
During the isothermal expansion of an ideal gas:
Assertion: The heat absorbed during the isothermal expansion of an ideal gas againts vacuum is zero. Reason: The volume occupied by the molecules of an ideal gas is zero.
