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In a reversible process, the value of De...

In a reversible process, the value of `Delta S _(sys) + Delta S_(surr) is`

A

`+ve`

B

`-ve`

C

Zero

D

All of these

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A
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AAKASH INSTITUTE ENGLISH-THERMODYNAMICS-ASSIGNMENT (Section - B) Objective Type Questions
  1. When an ideal gas is compressed adiabatically and reversibly, the fina...

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  2. Delta S^(@) will be highest for the reaction

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  3. In a reversible process, the value of Delta S (sys) + Delta S(surr) is

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  4. A closed flask contains a substance in all its three states, solids, l...

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  5. A process is called reversible when

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  6. The molar heat capacity C of water at constant pressure is 75 JK^(-1) ...

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  7. 16kg oxygen gas expands at STP to occupy double of its oxygen volume. ...

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  8. When enthalpy and entropy change for a chemical reaction are -2.5 xx10...

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  9. The temperature at which the given reaction is at equilibrium Ag(2)O(s...

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

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  11. Which of the following can be zero for isothermal reversible expansion...

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  12. In an isulated container water is stirred with a rod to increase the t...

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  13. Two atoms of hydrogen combine to form a molecule of hydrogen gas, the ...

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  14. The temperature of 15 ml of a strong acid increases by 2^(@)C when 15 ...

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  15. The standard heat of formation of NO(2)(g) and N(2)O(4)(g) are 8.0 an...

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  16. If (1)/(2)X(2)O((s)) rarr X((s))+(1)/(4)O(2(g)),DeltaH=90kJ then heat ...

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  17. For a gaseous reaction A(g) + 3 B(g) rightarrow 3C(g) + 3D(g) Delt...

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  18. A mixture of 2 moles of CO and 1 mole of O(2), in a closed vessele is ...

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  19. The bond dissociation energies of X2, Y2 and XY are in the ratio of 1 ...

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  20. Vapour density of a gas is 8. Its molecular mass will be

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