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Calculate DeltaH at 85^(@)C for the reac...

Calculate `DeltaH` at `85^(@)C` for the reaction:
`Fe_(2)O_(3)(s) +3H_(2)(g) rarr 2Fe(s) +3H_(2)O(l)`
The data: `DeltaH_(298)^(Theta) =- 33.0 kJ mol^(-1)` and `{:("Substance",Fe_(2)O_(3)(s),Fe(s),H_(2)O(l),H_(2)(g)),(C_(P)^(@)(JK^(-1)mol),103.0,25.0,75.0,28.0):}`

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To calculate the change in enthalpy (ΔH) at 85°C for the reaction: \[ \text{Fe}_2\text{O}_3(s) + 3\text{H}_2(g) \rightarrow 2\text{Fe}(s) + 3\text{H}_2\text{O}(l) \] we will use the given standard enthalpy change at 298 K (ΔH° = -33.0 kJ/mol) and the heat capacities (C_p) of the substances involved. ### Step-by-Step Solution: ...
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Calculate standard entropy change in the reaction Fe_(2)O_(3)(s)+3H_(2)(g) rarr 2Fe(s)+3H_(2)O(l) Given : S_(m_(0))(Fe_(2)O_(3).S)=87.4,S_(m)^(@)(Fe,S)=27.3 S_(m)^(@)(H_(2),g)=130.7,S_(m)^(@)(H_(2)O,l)=69.9JK^(-1)mol^(-1)

Calculated the equilibrium constant for the following reaction at 298K : 2H_(2)O(l) rarr 2H_(2)(g) +O_(2)(g) Delta_(f)G^(Theta) (H_(2)O) =- 237.2 kJ mol^(-1),R = 8.314 J mol^(-1) K^(-1)

Compounds with carbon-carbon double bond, such as ethylene, C_(2)H_(4) , add hydrogen in a reaction called hydrogenation. C_(2)H_(4)(g)+H_(2)(g) rarr C_(2)H_(6)(g) Calculate enthalpy change for the reaction, using the following combustion data C_(2)H_(4)(g) + 3O_(2)(g) rarr 2CO_(2)(g) + 2H_(2)O(g) , Delta_("comb")H^(Θ) = -1401 kJ mol^(-1) C_(2)H_(6)(g) + 7//2O_(2)(g)rarr 2CO_(2) (g) + 3H_(2)O(l) , Delta_("comb")H^(Θ) = -1550kJ H_(2)(g) + 1//2O_(2)(g) rarr H_(2)O(l) , Delta_("comb")H^(Θ) = -286.0 kJ mol^(-1)

Calculate the DeltaH^(Theta) for the reduction of Fe_(2)O_(3)(s) by AI(s) at 25^(@)C . The enthalpies of formation of Fe_(2)O_(3) and AI_(2)O_(3) are -825.5 and -1675.7 kJ mol^(-1) respectively.

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Balanced the following equations: H_(2)O_(2)+H^(o+)+Fe^(2+)rarr H_(2)O+Fe^(3+)

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What will be the heat of reaction for the following reaction? Will the reaction be exothermic or endothermic? Fe_(2)O_(3(s))+3H_(2(g))rarr 2Fe_((s))+3H_(2)O_((l)) Delta_(f)H^(@)(H_(2)O,l)=-"285.83 kJ mol"^(-1) Delta_(f)H^(@)(Fe_(2)O_(3),s)=-"824.2 kJ mol"^(-1)

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