27. 540 calories of heat convert 1 cubic centimeter of water at 100°C into 1671 cubic centimeter of steam at 100°C at a pressure of one atmosphere. Then the work done against the atmospheric pressure is nearly
(a) 540 cal (b) 40 cal
(c) Zero cal (d) 500 cal
Answer-b
(6)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)