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Three moles of an ideal gas expands reversibly under isothermal condition form 2 L to 20 L at 300 K. The amount of heat-change (in kJ/mol) in the process is –  

(A) 0 

(B) 7.2 

C) 10.2 

(D) 17.2  

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Correct Option :- (D) 17.2

Explanation :-

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