Q.

Four moles of a perfect gas heated to increase its temperature by 2°C absorbs heat of 40 cal at constant volume. If the same gas is heated at constant pressure the amount of heat supplied is, (R=2 cal/mol K)

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a

28 cal

b

56 cal

c

84 cal

d

94 cal

answer is B.

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Four moles of a perfect gas heated to increase its temperature by 2°C absorbs heat of 40 cal at constant volume. If the same gas is heated at constant pressure the amount of heat supplied is, (R=2 cal/mol K)