Question

b) During the making of charcoal it was found that the wood reacted with oxygen according to the following reaction: C(s) + 1/2O$_2$ (g) \rightarrow CO (g) c) Calculate $\Delta S^\circ$ if $S^\circ$ = 80 J/mol/K for carbon monoxide, $S^\circ$ = 145.55 J/mol/K for carbon and $S^\circ$ = 210 J/mol/K for O$_2$; Indicate whether or not the reaction is spontaneous, giving reasons for your answer. (5 marks) If the enthalpy change for the reaction is 290 kJ/mol, calculate free energy change at 25$^\circ$C and indicate if the reaction is feasible (5 marks)

          b) During the making of charcoal it was found that the wood reacted with oxygen according to
the following reaction:

C(s) + 1/2O$_2$ (g) \rightarrow CO (g)

c) Calculate $\Delta S^\circ$ if $S^\circ$ = 80 J/mol/K for carbon monoxide, $S^\circ$ = 145.55 J/mol/K for carbon and
$S^\circ$ = 210 J/mol/K for O$_2$; Indicate whether or not the reaction is spontaneous, giving
reasons for your answer.
(5 marks)
If the enthalpy change for the reaction is 290 kJ/mol, calculate free energy change at 25$^\circ$C
and indicate if the reaction is feasible
(5 marks)

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b) During the making of charcoal it was found that the wood reacted with oxygen according to
the following reaction:

C(s) + 1/2O2 (g) →CO (g)

c) Calculate Δ S^∘ if S^∘ = 80 J/mol/K for carbon monoxide, S^∘ = 145.55 J/mol/K for carbon and
S^∘ = 210 J/mol/K for O2; Indicate whether or not the reaction is spontaneous, giving
reasons for your answer.
(5 marks)
If the enthalpy change for the reaction is 290 kJ/mol, calculate free energy change at 25^∘C
and indicate if the reaction is feasible
(5 marks)

Added by Nicole B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

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Solved by Expert Kranti S

Step 1

The reaction involves the formation of one mole of carbon monoxide (CO) from one mole of carbon (C) and 1/2 mole of oxygen (O2). ∆S = ∆S(products) - ∆S(reactants) ∆S = (∆S(CO)) - (∆S(C) + ∆S(O2)) ∆S = (80 J/mol/K) - (145.55 J/mol/K + 210 J/mol/K) ∆S = -275.55 Show more…

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During the making of charcoal, it was found that the wood reacted with oxygen according to the following reaction: C + 1/2O2 â†’ CO Calculate âˆ†S if âˆ†S = 80 J/mol/K for carbon monoxide, âˆ†S = 145.55 J/mol/K for carbon, and âˆ†S = 210 J/mol/K for oxygen. Indicate whether or not the reaction is spontaneous, giving reasons for your answer. (5 marks) If the enthalpy change for the reaction is 290 kJ/mol, calculate the free energy change at 25Â°C and indicate if the reaction is feasible (5 marks).

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