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A heat engine absorbs heat q(1) from a s...

A heat engine absorbs heat `q_(1)` from a source at temperature `T_(1)` and heat `q_(2)` from a source at temperature `T_(2)`. Work done is found to be `J (q_(1) + q_(2))`. This is in accordance with

A

Violates 1st law of thermodynamics

B

Violates 1st law of thermodynamics if `Q_1` is negative

C

Violates 1st law of thermodynamics if `Q_2` is negative

D

Does not violate first law of thermodynamics

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-OBJECTIVE EXERCISE - 1 (THERMODYNAMIC TERMS, FIRST LAW)
  1. In thermodynamics, a process is called reversible when

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  2. In an adiabatic expansion of ideal gas:

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  3. A heat engine absorbs heat q(1) from a source at temperature T(1) and ...

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  4. Two moles of an ideal gas is expanded isothermally and reversibly from...

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  5. During adiabatic expansion of an ideal gas, 100J work is done, DeltaE ...

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  6. On which of the following factors does internal energy depend upon

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  7. For a substance more internal energy is observed in [ same quantity ]

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  8. The total heat content of a system at constant pressure is

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  9. Enthalpy ''H'' can be given as

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  10. The enthalpy is maximum for

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  11. The expression [Delta E//Delta T](V) represent

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  12. The heat of reaction at constant volume and temperature is represented...

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  13. Which of the following relationships is correct for a reaction involvi...

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  14. The different between DeltaH and DeltaE for the reaction BaCl(2(aq)) ...

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  15. For which one of the following systems DE lt DH

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  16. When a reaction is conducted in an open vessel, the heat of reaction i...

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  17. Which of the following holds good to the laws of thermodynamics for th...

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  18. For which of the following reaction Delta H = Delta E + 2RT

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  19. For N(2) + 3H(2) rarr 2NH(3), enthalpy and internal energy changes res...

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  20. According to IUPAC conventions, which one of the following is/are corr...

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