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The standard free energy change for the decomposition of two moles of hydrogen peroxide at 25 C is -224kJ.
2H2O2 (l) -> 2 H2O(l) + O2(g) delta G = -224 kJ

a. calculate the equilibrium constant for the reaction.

b. what is the chemical significance of the value of the equilibrium constant?

c. the standard enthalpy change, delta H, for the decomposition of hydrogen peroxide is +196.1 kJ. Determine the standard entropy change, delta S, for the reaction at 25 C.

d. (i) what is the significance of the standard free energy change?

(ii) what is the significance of the standard enthalpy change?

(iii) what is the significance of the standard entropy change?

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  • Category:- Chemistry
  • Reference No.:- M9500071

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