kp and kc

The relationship between K_p and K_c is K_p=K_c(RT)^(Deltan) . What would be the value of Deltan for the reaction : NH_4Cl(s) hArr NH_3(g) +HCl(g) ?

Write expressions for K_p and K_c for the decomposition reaction of calcium carbonate.

The relationship between K_p and K_c is correctly shown as

What is the relation between K_p and K_c for a general reaction, aA+bB iff cC+dD ?

Write the relationship between K_p and K_c for the reaction 2SO_2(g) +O_2(g) hArr 2SO_3(g)