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If for a reaction, DeltaH is negative an...

If for a reaction, `DeltaH` is negative and `DeltaS` is positive then the reaction is

A

spontaneous at all temperatures

B

non-spontaneous at all temperatures

C

spontaneous only at high temperature

D

spontaneous only at low temperature

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mo...

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  2. For which of the following substances DeltafH^@ is not zero.

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  3. If for a reaction, DeltaH is negative and DeltaS is positive then the ...

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  4. Properties of a system which are proportional to the quantity of matte...

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  5. Obtain the relationship between DelatG^@ of a reaction and equilibrium...

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  6. DeltaH for the reaction 2H(g) rarr H2(g) will be

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  7. For the process, H2O(l) rarr H2O((g)) at 100^@C, DeltaS is

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  8. Which represents largest amount of energy?

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  9. Which of the following process is non-spontaneous?

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  10. For which of the following reaction DeltaS is negative?

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  11. A gas expands in volume from 2 L to 5 L against a pressure of1atm at c...

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

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  13. Which of the following groups includes two intensive properties and on...

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  14. Identify the state function among the following.

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  15. Energy equivalent to one erg, one joule, and one calorie in the increa...

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  16. During an isothermal expansion of an ideal gas,

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  17. Which one of the following statements is incorrect?

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  18. The temperature of the system decreases in an

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  19. For a cyclic process, which of the following is correct ?

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  20. A gas absorbs 100 calories of heat energy and is compressed from 10.0 ...

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