mttcreviewtest12-1

mttcreviewtest12-1 - MTTC Chemistry Review Test 12:...

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MTTC Chemistry Review Test 12: Equilibrium Name MUL TIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. In the problems below, “  “ means equilibrium. 1) Of the following equilibria, only A) N 2 (g) + 3 H 2 (g)  2 NH 3 (g) B) 2SO 3 (g)  2SO2 (g) + O 2 (g) C) H 2 (g) + Cl 2 (g)  2HCl (g) D) 4Fe (s) + 3O 2 (g)  ] 2 Fe 2 03 (s) E) 2HI (g)  H 2 (g) + I2 (g) will shift to the left in response to a decrease in volume. 2) For the endothermic reaction CaC03 (s)  CaO (s) + CO2 (g) Le Chattelier's principle predicts that A) increasing the pressure B) removing some of the CaC03 (s) C) increasing the temperature D) decreasing the temperature E) adding more CaC03 (s) will result in an increase in the number of moles of CO2. 3) The Keq for the reation below is 1.49 x 10 8 at 100 0 C: CO (g) + Cl 2 (g)  ~ COCl 2 (g) In an equilibrium mixture of the three gases, P CO = PCl 2 = 8.60 x 10 -4 atm. The partial pressure of the product, phosgene (COCl 2 ), is atm. A) 4.96 x 10 -15 B) 2.01 x 10 14 C) 1.28 x 10 5 D) 1.72 x 10 11 E) 1.10 x 10 2 4) Acetic acid is a weak acid that dissociates into the acetate ion and a proton in aqueous solution: HC 2 H 3 0 2 (aq)  C 2 H 3 0 2 (g) (aq) + H + (aq) At equilibrium at 25°C a 0.100 M solution of acetic acid has the following concentrations:
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This note was uploaded on 04/25/2010 for the course CHEM 204 taught by Professor Prof.k during the Spring '10 term at Bradley.

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mttcreviewtest12-1 - MTTC Chemistry Review Test 12:...

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