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In conversion of limestone to lime , CaC...

In conversion of limestone to lime , `CaCO_3(s) rarrCaO(s)+CO_2(g)` the values of `DeltaH^@ and DeltaS^@` are +179.1 KJ/mol , 160.2J/K respectively at 298 K and 1 bar. Assuming that `DeltaH^@ and DeltaS^@` do not change with temperature , temperature above which conversion of limestone to lime will be spontaneous is

A

1008 K

B

1200 K

C

845 K

D

1118 K

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The correct Answer is:
D
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ALLEN-THERMODYNAMICS -EXERCISE -1B
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  2. The direct conversion of A to B is difficult hence it is carried out b...

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  4. The enthalpy change states for the following processes are listed belo...

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  5. For the process H(2)O(l) (1 "bar", 373 K) rarr H(2)O(g) (1"bar", 373 K...

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  6. In conversion of limestone to lime , CaCO3(s) rarrCaO(s)+CO2(g) the va...

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  7. Assuming that water vapour is an ideal gas, the internal energy change...

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  8. identify the correct statement regarding a spontaneous process:

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  9. Oxidising power of chlorine in aqueous solution can be determined by t...

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  10. Standard entropies of X(2), Y(2) and XY(3) are 60, 40 and 50 JK^(–1) m...

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  11. on the basis of the following thermochemical data [Delta(f) G^(@) H ^...

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  12. In a fuel celll, methanol is used as a fuel and O(2) is used as oxidiz...

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  13. The standard enthalpy of formation of NH3 is -46.0 kJ mol^(-1). If the...

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  14. A system absorbs reversibly 600 J of heat and performs 250 J of work. ...

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  15. For reversible melting of ice at 0^(@)C and 1 atm. Pressure, the value...

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  16. The entropy change involved in the isothermal reversible expansion of ...

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  17. The value of enthalpy change (DeltaH) for the reaction C2H5OH(l) + 3...

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  18. Consider the reaction, 4 N O (2) (g) + O(2) (g) to 2 N(2) O (5) (g) ...

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  19. The incorrect expression among the following is :

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