Given below are two statements, one labeled as Assertion (A) and the other labeled as Reason (R). **Assertion (A):** The specific heat capacity of a gas at constant pressure (Cp) is always greater than its specific heat capacity at constant volume (Cv). **Reason (R):** When heat is supplied to a gas at constant pressure, a portion of the energy is utilized in doing external work during expansion, in addition to increasing the internal energy. Select the correct answer using the codes given below:

Options:

• A: Both A and R are true and R is the correct explanation of A
• B: Both A and R are true but R is not the correct explanation of A
• C: A is true but R is false
• D: A is false but R is true

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