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Ethyl chloride (C(2)H(5)Cl) , is prepare...

Ethyl chloride `(C_(2)H_(5)Cl)` , is prepared by reaction of ethylene with hydrogen chloride`:`
`C_(2)H_(4)(g)+HCl(g) rarr C_(2)H_(5)Cl(g)`
`DeltaH=-72.3kJ//mol`
What is the value of `DeltaE (` in `kJ)`, if `98g` of ethylene and `109.5g` of `HCl` are allowed to react at `300K`

A

-64.81

B

-190.71

C

-208.41

D

-224.38

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The correct Answer is:
c
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Ethyl chloride (C_(2)H_(5)Cl) , is prepared by reaction of ethylene with hydrogen chloride: C_(2)H_(4)(g) + HCl(g) rarr C_(2)H_(5)Cl(g) " " DeltaH=-72.3 KJ//"mol" What is the value of DeltaE ("in KJ") , if 98 g fo ethylene and 109.5 g if HCl are allowed to react at 300K

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