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The first law of thermodynamics is conce...

The first law of thermodynamics is concerned with the conservation of

A

Total energy of a system

B

Energy changes in a system

C

Rate of a chemical change

D

Mass changes in nuclear reactions

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. The first law of thermodynamics is concerned with the conservation of

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  2. A well stoppered thermo flask containing some ice cubes is an example ...

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  3. Identify the intensive quantity from the following

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  4. Which of the following is an extensive property?

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  5. For an adiabatic process, which of the following relations is correct?

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  6. For an ideal gas, the value of ((dU)/(dV))(T) is:

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  7. In which of the following process work behaves as state function :

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  8. When a gas is compressed adiabatically and reversibly, the final tempe...

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  9. Which one is a state function :-

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  10. Out of boiling point (I), entropy (II), pH (III) and e.m.f of a cell (...

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  11. The work done by a weightless piston in causing an expansing Delta V (...

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  12. The work done by 100 calorie of heat in isothermal expansion of ideal ...

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  13. Temperature and heat are not :-

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  14. One mole of a gas absorbs 200 J of heat at constant volume. Its temper...

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  15. q=-w is not true for :-

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  16. The temperature of an ideal gas increases in an:

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  17. Enthalpy of 1 mole monoatomic ideal gas is equals to :-

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  18. Which statement is true for reversible process :-

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  19. Both q & w are function & q + w is a function :-

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  20. If work done by the system is 300 joule when 100 cal. Heat is supplied...

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