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K(p) value for C(2)H(4(g))+H(2(g))r...

`K_(p)` value for
`C_(2)H_(4(g))+H_(2(g))rArrC_(2)H_(6(g))is 5xx10^(18)" atm"^(-1)andK_(p)"`
for `C_(2)H_(2)+H_(2(g))rArrC_(2)H_(4(g)) " is "5xx10^(26) " atm"^(-1)` at
`50^(@)C.` Calculate `K_(p)` for the reaction
`2H_(2(g))+C_(2)H_(2(g))rArrC_(2)H_(6(g))`

A

`2.5xx10^(45)`

B

`21xx10^(8)`

C

`1.5xx10^(-45)`

D

`2.5xx10^(-45)`

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