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For which one of the following systems D...

For which one of the following systems `DE lt DH`

A

`2SO_(2(g)) + O_(2(g)) rarr 2SO_(3(g))`

B

`N_(2(g)) + O_(2(g)) rarr 2NO_((g))`

C

`2NH_(3(g)) rarr N_(2(g)) + 3H_(2(g))`

D

`H_(2(g)) + I_(2(g)) rarr 2HI_((g))`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-Additional Practice Exercise
  1. For which one of the following systems DE lt DH

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  2. Which among the following is not an exact differential?

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  3. A system consisting of one mole of an ideal diatomic gas absorbs 200J ...

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  4. A mono atomic ideal gas undergoes a process in which the ratio of P to...

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  5. 1 mole each of CaC(2), Mg(2)C(3) reacts with excess water in separate ...

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  6. The temperature of 5 moles of a gas is decreased by 2K at constant pre...

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  7. When an ideal gas at a pressure P, temperature T and volume V is isoth...

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  8. Which of the following statement is incorrect?

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  9. A gas absorbs 100 calories of heat energy and is compressed from 10L t...

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  10. The enthalpy of neutralization of weak monoprotic acid, HA in 1M solut...

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  11. The heat of combustion of hydrocarbon C(x)H(y) is ''a'' calories and h...

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  12. The standard enthalpy of formation of hypothetical MgCl is -125kJ mol^...

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  13. Calculate the resonance energy of N(2)O from the following data Delta ...

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  14. The maximum entropy of mixing ocuurs when hexane and heptane are mixed...

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  15. When 3.0 mole of an ideal diatomic gas is heated and compressed simult...

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  16. underset(P(1), V(1), T(1))("State") A overset("Rev")rarr underset(P(2)...

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  17. During winters, moisture condenses in the form of dew and can be seen ...

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  18. Assuming Delta H^(0) and Delta S^(0) do not change with temperature th...

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  19. For the reaction X(2)O(4(l)) rarr 2XO(2(g)), Delta U= 2.1 "kcal", Delt...

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  20. The correct signs of Delta S for the following four processes respecti...

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  21. Assume that C(6)H(6) and C(6)H(5)CH(3) form an ideal solution then Del...

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