Consider the reaction A ⇌ B at 1000 K . At time t ' , the temperature of the system was increased to 2000 K and the system was allowed to reach equilibrium. Throughout this experiment the partial pres

Q: Consider the reaction A ⇌ B at 1000 K . At time t ' , the temperature of the system was increased to 2000 K and the system was allowed to reach equilibrium. Throughout this experiment the partial pres

Use ΔG ° = - RT ln KP at equilibrium ΔG 1 ∘ = − RT 1 ln K P 1 ...... ( 1 ) ΔG 2 ∘ = − RT 2 ln K P 2 ..... ( 2 ) ΔG 1 ∘ ΔG 2 ∘ = T 1 T 2 × lnK P 1 lnK P 2 = 1000 2000 × ln ( 10 ) ln ( 100 ) = 1 2 × 1 2 = 1 4 = 0 . 25

Question

Accepted Answer

Use  &#916;G &#176; = - RT &#160; ln &#160; KP  at equilibrium &#916;G 1 &#8728; = &#8722; RT 1 &#160; ln &#160; K P 1             ...... ( 1 ) &#916;G 2 &#8728; = &#8722; RT 2 &#160; ln &#160; K P 2               ..... ( 2 ) &#916;G 1 &#8728; &#916;G 2 &#8728; = T 1 T 2 &#215; lnK P 1 lnK P 2 = 1000 2000 &#215; ln ( 10 ) ln ( 100 ) = 1 2 &#215; 1 2 = 1 4 = 0 . 25

Chemical Equilibrium — Previous Year Questions & Solutions