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Enerrgy can transfter from syetm to surr...

Enerrgy can transfter from syetm to surroundings as work if

A

there if thermal equilibrium between system and surroundings

B

there if mechanical equilibrium between system and surroundings

C

if pressure of system gt atmospheric pressure

D

if pressure of system lt atmospheric pressure

Text Solution

Verified by Experts

The correct Answer is:
C
Only then, system does work and expansion occurs.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. Which of the following is an intensive property?

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  2. Which among the following is not a state function?

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  3. Enerrgy can transfter from syetm to surroundings as work if

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  4. For the process to occur under adiabatic conditions, the correct condi...

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  5. A chemical process is carried out in a thermostat maintained at 25^(@)...

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  6. A thermodynamic state function is

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  7. The efficiency of a heat engine is maximum when

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  8. During isothermal expansion of an ideal gas its

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  9. A gas expands isothermally and reversibly. The work done by the gas is

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  10. A thermally isolated gaseous system can exchange energy with the surro...

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  11. Which among the following gives the expression for the reversible isot...

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  12. What is correct about isothermal expansion of the ideal gas?

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  13. Which of the following is correct for adiabatic expansion ideal gas?

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  14. Which of the following expression expressions is true for an ideal gas...

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  15. The expression [deltaH//deltaT](V) represents

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  16. The internal energy of one mole of a gas is

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  17. Internal energy does not include

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  18. The formation of water from H(2)(g) and O(2)(g) is an exothermic proce...

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  19. In a change from state A to state B

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  20. According to the diagram given below, the value of DeltaH for conversa...

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