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Which of the following statement is inco...

Which of the following statement is incorrect?

A

The entropy of the universe increases and tends towards the maximum value in irreversible process

B

All the natural spontaneous processes are irreversible in nature

C

For the isothermal expansion of an ideal gas, `Delta H and Delta E` are not equal

D

The heat of formation of an element in the standard state is zero.

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AAKASH SERIES-CHEMICAL THERMODYNAMICS-Additional Practice Exercise
  1. The temperature of 5 moles of a gas is decreased by 2K at constant pre...

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

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  3. Which of the following statement is incorrect?

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. One mole of Ideal monatomic gas taken through Isochoric heating for 10...

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  18. Work (W) is the path function. Which of the following order is incorre...

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  19. Standar entropies of x(2), y(2) and xy(3) are 60,40 and 50JK^(-1) mol^...

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  20. Temperature of an ideal gas increases in:

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