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70 cal of heat is required to rise the t...

70 cal of heat is required to rise the temperature of 2 moles of an ideal gas at constant pressure from `30^@C` to `35^@C` . What is the amount of heat required to rise the temperature of same gas through the same range al constant volume? (R = 2cal/mole/K)

A

28 J

B

50 Cal

C

75 J

D

Zero

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The correct Answer is:
B
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AAKASH SERIES-THERMODYNAMICS-PRACTICE SHEET (EXERCISE - I (LEVEL - I (STRAIGHT OBJECTIVE TYPE QUESTIONS)))
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  2. When 20 J of work was done on a gas, 40J of heat energy was released. ...

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  3. When 1 gm of water changes from liquid to vapour phase at constant pre...

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  5. The temperature of 5 moles of a gas at constant volume is changed from...

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

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

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  9. 1/2 mole of Helium gas is contained in a container at S.T.P. The heat ...

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  10. How much heat energy in joules must be supplied to 14 gms of nitrogen ...

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  11. For a gas, the difference between the two specific heats is 41503 Kg^(...

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  12. The specific heat of air at constant pressure is 1.005 kJ/kg K and the...

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  13. The specific heat of Argon at constant volume is 0.3122kJ/kg K. Find t...

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  14. If the ratio of the specific heats of steam is 1.33 = and R = 8312J/km...

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  15. The volume of 1 kg of hydrogen gas at N.T.P is 11.2 m^3 . Specific hea...

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  16. 70 cal of heat is required to rise the temperature of 2 moles of an id...

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  17. When an ideal diatomic gas is heated at constant pressure, its interna...

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  18. If for hydrogen Cp - Cv = m and for nitrogen Cp - Cv = n, Where Cp and...

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  19. One mole of a monoatomic gas is mixed with one the mixture?

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  20. The ratio of specific heats of a gas is gamma . The change in internal...

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