1. Which graph represents the endothermic reaction? 2. Which graph represents the exothermic reaction?

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

How many grams of aluminum will there be in 98g of al2o3?

If a solution had a ph of 7 what is the solution