1. A flask contains 2.000 atm H2, 0.2056 atm I2 and 3.009 atm HI. The equilibrium constant is 92.6. If the reaction must proceed towards the right, calculate the equilibrium pressures. Report your final answers to 3 SFs.
H2 (g)+I2 (g)⇌2HI(g)
2. Write the equilibrium expression for the following reactions:
a.) 2COCl2 (g)+O2 (g)⇌2CO2 (g)+2Cl2 (g) b.) Xe(g)+2F2 (g)⇌XeF4 (s)
c.) Reaction of silver nitrate and magnesium chloride d.) N2O5 (aq) + H2O (l) ⇌ 2HNO3 (aq)
3. Identify the rate determining step, overall reaction and any catalysts/intermediates in the following reaction mechanism. Also, write the overall rate law for this reaction.
NO (g) + NO (g) N2O2 (g)
N2O2 (g) + H2 (g) N2O (g) + H2O (g) N2O(g)+H2 (g) N2 (g)+H2O(g)
a.) Identify the rate determining step (RDS).
b.) Identify the overall reaction.
(slow) (fast) (fast)
c.) Identify any catalysts and/or intermediates. Be sure to clearly distinguish your answer.
d.) Identify the overall rate law that would validate this reaction mechanism.
e.) Sketch an energy diagram for this exothermic reaction. Be sure to completely identify and label important aspects of the diagram.
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