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How many calories are required to increa...

How many calories are required to increase the temperature of 40g of Ar from `40^(@)C` to `100^(@)C` at a constant volume `(R=2cal*mol^(-1)*K^(-1))`-

A

120

B

2400

C

1200

D

180

Text Solution

Verified by Experts

The correct Answer is:
D
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70 cal of heat is required to increase the temperature of 2 mol of an ideal diatomic gas at constant pressure from 40^(@)C to 45^(@)C . How much heat will be required to increase the temperature of that gas by the same amount at constant volume? R = 2 cal cdot mol^(-1) cdot K^(-1) .

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What would be the amount of heat required to increase the temperature of 1 g of water by 1^(@)C ?

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How much heat is required to increase the temperature of a piece of platinum of mass 100 g from 20^(@)C to 70^(@)C ? Specific heat of platinium ="0.03 cal. G"^(-1).^(@)C^(-1) .

70 cals of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30^@C to 35^@C . Calculate the amount of heat required to raise the temperature of same gas through same range at constant volume. (R = 2 cal / mole ^@C )

How much heat will be released when the temperature of 1 mol of water changes from 90^(@)C to 80^(@)C ? Given: specific heat of water 4.18J*g^(-1)*K^(-1) .

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