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9. A system is given 300 calories of heat and it does 600 joules of work. How much does the internal energy of the system change in this process (J = 4.18 joules/cal)

(a)  654 Joule                           (b)  156.5 Joule

(c)   ­­– 300 Joule                        (d)  – 528.2 Joule

Ans. a

(6)

5/5 - (2 votes)

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