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Explain spontaneity of a process in term...

Explain spontaneity of a process in terms of Gibbs energy.

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The change in Gibbs free energy of the system along provides a criterion for the spontaneity of a process at constant temperature and pressure. A change in the free energy of a sytem at constant temperature and pressure will be: DeltaG_("system") = DeltaH_("system") - T DeltaS_("system") For a spontaneous reaction DeltaG , equilibrium constant K and E_("cell")^(0) will be respectively:

VGS PUBLICATION-BRILLIANT-THERMODYNAMICS-SHORT ANSWER QUESTIONS
  1. Explain spontaneity of a process in terms of Gibbs energy.

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  2. The sign and magnitude of Gibbs energy change of a chemical process te...

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  3. In a process 701 J of heat is absorbed by a system and 394 J of work i...

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  4. The reaction of cyanamide (s), with dioxygen was carried out in a bomb...

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  5. Calculate the number of kJ of heat necessary to rise the temperature o...

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  6. Calculate the enthalpy change on freezing of 1.0 mol of water at 10.0^...

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  7. Enthalpy of combustion of carbon to CO(2) is -393.5 kJ mol^(-1). Calcu...

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  8. Enthalpies of formation of CO(g), CO(2)(g),N(2)O(g) and N(2)O(4)(g) ar...

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  9. Given N(2)(g)+3H(2)(g)to2NH(3)(g),Delta(r)H^(theta)=-92.4 kJ mol^(-1) ...

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  10. From the following data CH(3)OH(l)+(3)/(2)O(2)(g) rarr CO(2)(g) +2H(...

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  11. Calculate the enthalpy change for the process "CC"l(4)(g)toC(g)+4CI(...

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  12. For an isolated system , DeltaU=0 what will be DeltaS?

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  13. For the reaction at 298 K, 2A+BtoC DeltaH=400 kJ mol^(-1) and Delt...

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  14. For the reaction, 2Cl(g)toCl(2)(g), what are the signs of DeltaH and...

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  15. For the reaction, 2A(g)+B(g)to2D(g) DeltaU^(theta)=-10.5 kJ and De...

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  16. The equilibrium constant for a reaction is 10. What will be the value ...

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  17. State the first law of thermodynamics. Explain its mathematical notati...

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  18. State the second law of thermodynamics in any two ways.

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  19. Explain spontaneity of a process in terms of Gibbs energy.

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  20. Explain spontaneity of a process in terms of Gibbs energy.

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