Variation of equilibrium constan K with temperature is given by van't Hoff equation
`InK=(Delta_(r)S^(@))/R-(Delta_(r)H^(@))/(RT)`
for this equation, `(Delta_(r)H^(@))` can be evaluated if equilibrium constans `K_(1)` and `K_(2)` at two temperature `T_(1)` and `T_(2)` are known.
`log(K_(2)/K_(1))=(Delta_(r)H^(@))/(2.303R)[1/T_(1)-1/T_(2)]`
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Variation of equilibrium constan K with temperature is given by van't Hoff equation InK=(Delta_(r)S^(@))/R-(Delta_(r)H^(@))/(RT) for this equation, (Delta_(r)H^(@)) can be evaluated if equilibrium constans K_(1) and K_(2) at two temperature T_(1) and T_(2) are known. log(K_(2)/K_(1))=(Delta_(r)H^(@))/(2.303R)[1/T_(1)-1/T_(2)] For an isomerization X(g)hArrY(g) the temperature dependency of equilibrium cohnstant is given by : lnK=2-(1000)/T The value of Delta_(r)S^(@) at 300 K is :

Variation of equilibrium constan K with temperature is given by van't Hoff equation InK=(Delta_(r)S^(@))/R-(Delta_(r)H^(@))/(RT) for this equation, (Delta_(r)H^(@)) can be evaluated if equilibrium constans K_(1) and K_(2) at two temperature T_(1) and T_(2) are known. log(K_(2)/K_(1))=(Delta_(r)H^(@))/(2.303R)[1/T_(1)-1/T_(2)] Variation of log_(10) K with 1/T is shown by the following graph in which straight line is at 45^(@) hence DeltaH^(@) is :

Variation of equilibrium constan K with temperature is given by van't Hoff equation InK=(Delta_(r)S^(@))/R-(Delta_(r)H^(@))/(RT) for this equation, (Delta_(r)H^(@)) can be evaluated if equilibrium constants K_(1) and K_(2) at two temperature T_(1) and T_(2) are known. log(K_(2)/K_(1))=(Delta_(r)H^(@))/(2.303R)[1/T_(1)-1/T_(2)] For an isomerization X(g)hArrY(g) the temperature dependency of equilibrium constant is given by : lnK=2-(1000)/T The value of Delta_(r)S^(@) at 300 K is :

Variation of equilibrium constan K with temperature is given by van't Hoff equation InK=(Delta_(r)S^(@))/R-(Delta_(r)H^(@))/(RT) for this equation, (Delta_(r)H^(@)) can be evaluated if equilibrium constants K_(1) and K_(2) at two temperature T_(1) and T_(2) are known. log(K_(2)/K_(1))=(Delta_(r)H^(@))/(2.303R)[1/T_(1)-1/T_(2)] The equilibrium constant Kp for the following reaction is 1 at 27^(@)C and 4 at 47^(@)C. A(g)hArrB(g)+C(g) For the reaction calculate enthalpy change for the B(g)+C(g)hArrA(g) (Given : R=2cal//mol-K)

Variation of K with temperature as given by van't Hoff equation can be written as

For the reation at 300 K A(g)hArrV(g)+S(g) Delta_(r)H^(@)=-kJ//mol, Delta_(r)S^(@)=-0.1K^(-1).mol^(-1) What is the value of equilibrium constant ?

The temperature dependence of equilibrium constant of a reaction is given by ln K_(eq) = 4.8 -(2059)/(T) . Find Delta_(r)G^(Theta), Delta_(r)H^(Theta), Delta_(r)S^(Theta) at 298 K

The temperature dependence of equilibrium constant of a reaction is given by In K_(eq) = 4.8 -(2059)/(T) . Find Delta_(r)G^(Theta), Delta_(r)H^(Theta), Delta_(r)S^(Theta) .

The temperature dependence of equilibrium constant of a reaction is given by In K_(eq) = 4.8 -(2059)/(T) . Find Delta_(r)G^(Theta), Delta_(r)H^(Theta), Delta_(r)S^(Theta) .

For the reaction at 300 K A(g)hArrV(g)+S(g) Delta_(r)H^(@)=- 30 kJ//mol, Delta_(r)S^(@)=-0.1K^(-1).mol^(-1) What is the value of equilibrium constant ?