In which direction will the position of the equilibrium for the reaction 2HI(g) --> H2(g) + I2(g) Be shifted for each of the following changes? a. H2(g) is added. b. I2(g) is removed. c. HI(g) is removed. d. In a rigid container, some Ar is added. e. The volume of the container is doubled. f. The temperature is decreased (reaction is endothermic). g. What will happen to the value of K, as a result to letter f?