Write expression for equilibrium constant for:
a) `CaCO_(3)(s)rarr CaO(s)+CO_(2)(g)`
b) `2NOCl(g)rarr2NO(g)+Cl_(2)(g)`

Write expression for K_(p)"and"K_(c) for the reaction CaCO_(3)(S)harrCaO(S)+CO_(2)(g) .

Write the equilibrium constant of the reaction C(s)+H_(2)O(g)hArrCO(g)+H_(2)(g)

In each of the following, total pressure set - up at equilibrium is assumed to be equal and is P atm with equilibrium constants K_(p) given : I: CaCO_(3)(s)hArr CaO(s)+CO_(2)(g),K_(1) II : NH_(4)HS(s)hArr NH_(3)(g)+H_(2)S(g),K_(2) III : NH_(2)CO_(2)NH_(4)(s)hArr 2NH_(3)(g) +CO_(2)(g),K_(3) In the increasing order :

Write the expression for the equilibrium constant K_(c ) for each of the following reactions: a. 2NOCl(g) hArr 2NO(g)+Cl_(2)(g) b. 2Cu(NO_(3))_(2)(s) hArr 2CuO(s)+4NO_(2)(g)+O_(2)(g) c. CH_(3)COOC_(2)H_(5)(aq)+H_(2)O(1) hArr CH_(3)COOH(aq)+C_(2)H_(5)OH(aq) d. Fe^(3+)(aq)+3OH^(Θ)(aq) hArr Fe(OH)_(3)(s) e. I_(2)(s)+5F_(2) hArr 2IF_(5)

Write the equilibrium constant expression for the following equilibria: CaCO_3(s) hArr CaO(s) + CO_2(g)

At a particular temperature, PCl_(5)(g) undergoes 50% dissociation. The equilibrium constant for PCl_(5)(g) rarr PCl_(3)(g) + Cl_(2)(g) is 2atm. The pressure of the equilibrium mixture is

A sample of CaCO_(3)(s) is introduced into a sealed container of volume 0.654 L and heated to 1000 K until equilibrium is reached. The equilibrium constant for the reaction CaCO_(3)(s)hArrCaO(s)+CO_(2)(g), is 3.9xx10^(-2) atm at this temperature. Calculate the mass of CaO present at equilibrium.

Write an expression for K_(p) and K_(c) for the following heterogeneous and homogenous equilibrium. (i) CaCO_(3)(s) hArr CaO(s) +CO(g) (ii) H_(2)O(l)+CO_(2)(g) hArr H_(2)CO_(3)(aq) (iii) 2NH_(3)(g) hArr N_(2)(g) +3H_(2)(g) (iv) 2HgO(s) hArr 2Hg (l) +O_(2)(g)

For CaCO_(3)(s) hArr CaO(s)+CO_(2)(g), K_(c) is equal to …………..

The following equilibrium constants were determined at 1120 K : 2CO(g)hArrC(s)+CO_(2)(g), , K_(p1)=10^(-14)atm^(-1) CO(g)+Cl_(2)(g)hArrCOCl_(2)(g), , K_(p2)=6xx10^(-3)atm^(-1) What is the equilibrium constant K_(c) for the foollowing reaction at 1120 K: C(s)+CO_(2)(g)+2Cl_(2)(g)hArr2COCl_(2)(g)