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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

42. If heat given to a system is 6 kcal and work done is 6 kJ. Then change in internal energy is

(a) 19.1 kJ (b) 12.5 kJ

(c) 25 kJ (d) Zero

Ans. a

5/5 - (9 votes)

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Next43. In a thermodynamics process, pressure of a fixed mass of a gas is changed in such a manner that the gas releases 20 J of heat and 8J of work is done on the gas. If the initial internal energy of the gas was 30J. The final internal energy will beNext

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