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Given the following entropy values ( in ...

Given the following entropy values ( in `JK^(-1) "mol"^(-1)`) at 298 K and 1 atm: `H_(2)(g):130.6, Cl_(2)(g):223.0, HCl(g): 186.7`. The entropy change (in `JK^(-1) "mol"^(-1)`) for the reaction
`H_(2)(g) + Cl_(2)(g) to 2HCl(g)` , is
(a)`+540.3`
(b)`+727.0`
(c)`-166.9`
(d)`+19.8`

A

540.3

B

727

C

`-166.9`

D

19.8

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Knowledge Check

  • In the reactions H_2(g) +Cl_2 ( g) hArr 2HCl (g) .

    A
    `Kp = K_c`
    B
    ` K_p ne K_c`
    C
    ` K_p gt K_c`
    D
    ` K_p lt K_c`
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