Chem 178 SIThursday, September 27, 2007Le Chatelier’s Principle1. State in your own words what Le Chatelier’s Principle says.2. What does Le Chatelier’s Principle say about concentration changes?3. For the reaction:CH3OH(g) + O2(g) HCOOH(g) + H2O(g)a. What direction does the equilibrium shift if more oxygen is added?b. What direction does the equilibrium shift is water is removed?c. How does the concentration of methanol (CH3OH) change if more oxygen is added?d. How does the concentration of methanol change if more water is added?e. How does the concentration of methanol change when more methanol is added? 4. What happens to equilibrium when pressure changes? What states (s,l,g,aq) are affected?Chem 178 SIThursday, September 27, 20075. How does an increase in pressure affect the concentration of the first reactant in the following reactions?a. C2H4(g) + H2(g) C2H6(g)b. Xe(g) + 3 F2(g) XeF6(g)c. C(s) + 2 F2(g) CF4(g)d. H2S(g) + Hg(l) HgS(s) + H2(g)6. What happens to a reaction when temperature changes?7. How does the concentration of the first reactant change if the temperature decreases?a. C2H4 + H2 C2H6 (exothermic)b. 2 NOCl 2 NO + Cl2