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Q.

For the reaction $A_{(g)} \to B_{(g)}$ the value of the equilibrium constant at 300 K and 1 atm is equal to 100.0. The value of $Δ_{r} G$ for the reaction at 300 K and 1 atm in $J m o l^{- 1} i s - x R$ , where x is. (Rounded off to the nearest integer).

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answer is 1380.

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Detailed Solution

$Δ G^{0}$ = –RT ln $K_{e q}$

= -R (300) ln (100)

= -R X 300 X ln ( $10^{2}$ )

= (-R) X 300 X 2 X ln (10)

= (-R) X 300 X 2 X 2.3 = -1380R

Now, -xR = -1380R

Therefore, x = 1380.

Hence, the answer is 1380.

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For the reaction A(g)→ B(g) the value of the equilibrium constant at 300 K and 1 atm is equal to 100.0. The value of ΔrG for the reaction at 300 K and 1 atm in Jmol–1is –xR, where x is. (Rounded off to the nearest integer).