For the reaction   CO(NH2)2 +H2O(l) -> CO2(g) + 2NH3(g) The ∆S^2 and ∆H^2 is 354.8KJ/mol and 119.2KJ/mol respectively. Calculate (a) the standard entropy of urea(b) the standard enthalpy of formation of urea(c) the standard free energy change of the reaction and (d) the standard free energy of formation of urea.

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Q: 14. At what temperatures will a reaction be spontaneous if ΔrH° = +62.4 kJ and ΔrS° = +301 J/K?

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A: We have given the thermodynamic data for given reaction   C2H2 (g) + H2 (g)  -------> C2H4 (g)…

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Q: 4. For the following reaction at 25°C, AH° = +118 kJ/mol and AS° = +135 J/mol·K. %3D SBr.(g) →S(g) +…

A: The given data contains, ∆H°=+118 kJ/mol∆S°=+135 J/mol.K Temperature = 298 K

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A: ∆H rxn = ∆H product - ∆H reactant ∆S rxn = ∆S product - ∆S reactat ∆G rxn = ∆H rxn - T∆S rxn

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Q: calculate the free energy change (in kJ) of a reaction at 466.4K that has an entropy change of…

A: Given,    ΔS = 692.2 J/K   = 0.6922 kJ/K   ΔH = - 4.24 kJ    T = 466.4 K Free energy change ( ΔG )…

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Q: calculate the standard reaction entropy of the following chemical reaction:

A:

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Q: For the following reaction, H2(g) + I2(g) ⇌ 2 HI(g), Kp = 44 at 25.0 o C. Calculate the value of Kc

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A: a) Given: The reaction, NH4Cl(s)⇌NH4+(aq)+Cl-(aq) Temperature, T=25°C=298 K

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