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When a solid melts, there is/are:...

When a solid melts, there is/are:

A

an increase in entropy

B

an increase in enthalpy

C

a decrease in internal energy

D

a decrease in enthalpy

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The correct Answer is:
A, B
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P BAHADUR-THERMODYNAMICS-Exercise
  1. Which of the following statements is (are) correct?

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  2. The change in enthalpy for an isobaric gaseous reaction (for an ideal ...

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  3. When a solid melts, there is/are:

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  4. In which of the following cases is the reaction spontaneous at all tem...

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  5. Which of the following conditions is (are) favourable for the feasibil...

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  6. In whiich of the following cases, do you consider the increase in entr...

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  7. In which of the following entropy increases?

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  8. During the isothermal expansion of an ideal gas:

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  9. Which of the following are state function?

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  10. Which are the intensive properties?

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  11. Given, 2Fe2O(3(s)) to 4Fe((s)) + 3 O(2(g)), Deltar G1^@ = +1487kJmol^(...

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  12. Which of the following statements is (are) false?

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  13. The work done by 1 mole of ideal gas during an adiabatic process is (a...

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  14. For gaseous reactions, if DeltaH is the change in enthalpy and DeltaU ...

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  15. Thermodynamic parameters for : HX + H2O to H3O^+ + X^- are given for...

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  16. In which of the following cases entropy increases?

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  17. A reaction attains equilibrium state under standard conditions, then:

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  18. The open system (s) is (are) which :

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  19. Which of the following statements is/are correct?

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  20. Given: for ethylene oxide DeltaH^@f and DeltaS^@ are -51kJmol^(-1), 24...

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