Le Chatelier's Principle

In the reaction $N_{2}(g) + 3H_{2}(g) \rightleftharpoons 2NH_{3}(g)$, what happens to the equilibrium position when the pressure is increased?

For the equilibrium $H_{2}(g) + I_{2}(g) \rightleftharpoons 2HI(g)$, what effect does an increase in temperature have if the reaction is exothermic?

In the reaction $CaCO_{3}(s) \rightleftharpoons CaO(s) + CO_{2}(g)$, what happens when is removed from the system?

For the reaction $2SO_{2}(g) + O_{2}(g) \rightleftharpoons 2SO_{3}(g)$, what effect does increasing the concentration of have?

What happens to the equilibrium of the reaction $2NO_{2}(g) \rightleftharpoons N_{2}O_{4}(g)$ if the volume of the container is decreased?

In the equilibrium $C(s) + O_{2}(g) \rightleftharpoons CO_{2}(g)$, how does adding more solid carbon () affect the equilibrium?

In the reaction $N_{2}(g) + 3H_{2}(g) \rightleftharpoons 2NH_{3}(g)$, what effect does a catalyst have on the equilibrium?

For the equilibrium $N_{2}(g) + 3H_{2}(g) \rightleftharpoons 2NH_{3}(g)$, what happens if the temperature is decreased?