121. Solving a chemistry problem

For the reaction 2Fe(c) 3H2O(g) = Fe2O3 (c) 3H2(c), ΔH0x.r.=35.4 kJ. 1) write mathematical expressions for the equilibrium constants Kp and Kc and establish a relationship between them; 2) indicate how the concentration of hydrogen in an equilibrium mixture is affected by: a) pressure increase; b) an increase in the concentration of water vapor; c) temperature increase; d) an increase in the amount of iron.