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Find the external work done by the syste...

Find the external work done by the system in kcal, when 20 kcal of heat is supplied to the system the increase in th internal energy is 8400 J (J=4200J/kcal)

A

16 kcal

B

18 kcal

C

20 kcal

D

19 kcal

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-THERMODYNAMICS-EXERCISE - 2
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  4. Heat of 30 kcal is supplied to a system and 4200 J of external work is...

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  6. Heat given to a system is 35 joules and work done by the system is 15 ...

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  7. A gas is compressed at a constant pressure of 50 N//m^(2), from a volu...

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  9. Five kilomoles of oxygen is heated at constant pressure. The temperatu...

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  11. Four moles of a perfect gas heated to increases its temperature by 2^(...

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  15. When an ideal diatomic gas is heated at constant pressure, the fractio...

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  17. H calories of heat is required to increase the temperature of one mole...

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  18. 1/2 mole of Helium gas is contained in a container at S.T.P. the heat ...

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