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Hess's law states that...

Hess's law states that

A

the standard enthalpy of an overall reaction is the sum of the enthalpy changes in individual reactions

B

enthalpy of formation of a compound is same as the enthalpy of decomposition of the compound into constituent elements, but with opposite sign

C

at constant temperature the pressure of a gas is inversely proportional to its volume

D

the mass of a gas dissolved per litre of a solvent is proportional to the pressure of the gas in equilibrium with the solution

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PATHFINDER-THERMODYNAMICS-QUESTION BANK
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  3. Hess's law states that

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  5. For a Process to be spontaneous

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  6. Assertion DeltaH and DeltaE are almost the same for the reaction, N2(g...

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  7. Assertion The increase in internal energy (DeltaE) for the vaporisatio...

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  8. Which of the following has DeltaS^@ greater than zero?

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  9. The heat of reaction for C(10)H8(s) + 12O2,(g) rarr10CO2,(g) + 4H2O(l...

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  10. Which law states entropy of all pure crystalline solids is zero at abs...

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  11. The enthalpies of formation of C2H2(g) and C6H6(g) at 298 K are 230 an...

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  12. For an ideal gas, the Joule Thomson coefficient is

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  13. The relation of DeltaH and DeltaE is represented as

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  14. Calculate the temperature at which DeltaG = -5.2 kJ mol^-1, DeltaH = 1...

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  15. When ice melts into water entropy

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  16. Which of the following Is not the extensive property?

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  18. In order to decompose 9g water 142.5 kJ heat is required. Hence, the e...

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  19. The enthalpy of combustion of C6H6(l) is -3250 kJ. When 0.39 g of benz...

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  20. For the reaction H2O(s) iff H2O(l) at 0^@C and normal pressure

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