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Wafiq Mammen
Asked: 2022-11-06T09:29:37+05:30 In:

`C_(2)H_(4) +CI_(2) rarr C_(2)H_(4)CI_(2)`
`DeltaH =- 270.6 kJ mol^(-1)K^(-1), DeltaS =- 139 J`
a. Is the reaction favoured by entropy, enthalpy both or none?
b. Find `DeltaG` if `T = 300K`.

`C_(2)H_(4) +CI_(2) rarr C_(2)H_(4)CI_(2)`
`DeltaH =- 270.6 kJ mol^(-1)K^(-1), DeltaS =- 139 J`
a. Is the reaction favoured by entropy, enthalpy both or none?
b. Find `DeltaG` if `T = 300K`.
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1 Answer

  1. a. Since `DeltaH =- ve`, exothermic process and is favoured, i.e., it will be spontaneous.
    b. `DeltaG = DeltaH – T DeltaS`
    `=- 270.6 xx 1000 – 300 xx (-139)`
    `=- 228900 J =- 228.9 kJ`

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