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The following is(are) endothermic react...

The following is(are) endothermic reaction (s):

A

combustion of methane

B

Decomposition of water

C

Dehydrogenation of ethane to ethylene

D

Conversion of graphite to diamond

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The correct Answer is:
B, C, D
All the processes represented in `(B)`, `(C )`, `(D)` are endothermic.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. Second law of thermodynamics points out that

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  2. which among the following is intensive quantity ?

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  3. The following is(are) endothermic reaction (s):

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  4. Among the following, the intensive property is (properties are) :

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  5. In a flask, colourless N(2)O(4) is in equilibrium with brown-coloured ...

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  6. The gas with the highest heat of combustion is :

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  7. Given NH(3)(g)+3Cl(2)(g)toNCl(3)(g)+3HCl(g)+x(1) N(2)(g)+3H(2)(g)t...

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  8. A scientist needs a refrigeration machine to maintain temperature of -...

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  9. Under the same conditions, how many mL of 1M KOH and 0.5M H(2)SO(4)sol...

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  10. The standard molar heats of formation of ethane, carbon dioxide, and l...

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  11. The enthalpy of combustion of H(2) , cyclohexene (C(6)H(10)) and cyclo...

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  12. Which of the following is an endothermic reaction?

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  13. The heat released when NH(4)OH and HCl neutralise is

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  14. The difference between the heats of reaction at constant pressure and ...

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  15. Which of the following equations represents standard heat of combustio...

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  16. Identify the state quantiy among the following

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  17. The DeltaH(f)^(@) for CO(2)(g), CO(g) and H(2)O(g) are -395.5,-110.5 a...

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  18. Which of the following statement is false ?

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  19. In thermodynamics, a process is called reversible when

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  20. One mole of non-ideal gas undergoes a change of state (2.0 "atm", 3.0 ...

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