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The enthalpy change of the reaction C3H...

The enthalpy change of the reaction `C_3H_8(g)+H_2(g) rarr C_2H_6(g)+CH_4(g)`, at `25^@`, will be Given that: heat of combustion values under standard condition
(The standard heat of formation of `C_3H_8(g)` is -103.8kJ/mol)

A

55.7kJ.moI

B

5.57kJ/mol

C

`-55.7` kJ/mol

D

`-5.57`kJ.mol

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Determine the enthalpy change of the reaction. C_(3)H_(5) (g) + H_(2) (g) rarr C_(2)H_(6) (g) + CH_(4) (g) at 25^(@)C , using the given heat of combustion value under standard conditions: Compound H_(2) (g) CH_(4) (g) C_(2) H_(6) (g) C (graphite) Delta H^(@) (kJ//mol) -285.8 =890.0 - 1560.0 -393.5 The standard heat of formation of C_(3)H_(8) (g) is -103.8 kJ//mol

The enthalpy change for the reaction C_(3)H_(8)(g)+H_(2)(g) rarr C_(2)H_(6)(g)+CH_(4)(g) at 25^(@)C is -55.7 kJ/mol. Calculate the enthalpy of combustion of C_(2)H_(6)(g) . The enthalpy of combustion of H_(2) , & CH_(4) are -285.8 & -890.0 kJ/mol respectively. enthalpy of combustion of propane is -2220" kJ mol"^(-1) .

Determine enthalpy change for, D_(3)H_(8(g))+H_(2(g))rarr C_(2)H_(6(g))+CH_(4(g)) at 25^(@)C using heat of combustion values under standard condition. {:(Compounds,H_(2(g)),CH_(4(g)),C_(2)H_(6(g)),C_((Graph ite))),(DeltaH^(@)i n kJ//mol,-285.8,-890.0,-1560.0,-393.5):} The standard heat of formation of C_(3)H_(8(g)) is -103.8 kJ mol^(-1) .

The enthalpy change for the reaction, C_(2)H_(6)(g)rarr2C(g)+6H(g) is X kJ. The bond energy of C-H bond is :

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The molar enthalpies of combustion of C_(2)H_(2)(g), C("graphite") and H_(2)(g) are -1300,-394 , and -286 kJ mol^(-1) , respectively. The standard enthalpy of formation of C_(2)H_(2)(g) is

Given, H_(2)(g)+Br_(2)(g)rarr2HBr(g),DeltaH_(1)^(0) and standard enthalpy of condensaion of bromine is DeltaH_(2)^(0) , standard enthalpy of formation of HBr at 25^(@)C is

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