Unit 10 Sample Test. Complete on a separate sheet of paper. 1. Consider the
reaction 2 ( ) + ( ) → 2 ( ). Suppose that from = 0.00 to. = 2.00 the concentration of
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Unit 10 Sample Test Complete on a separate sheet of paper. 1. Consider the reaction 2() + () → 2 (). Suppose that from = 0.00 to
= 2.00 the concentration of decreases from 0.832 to 0.811 . a. Calculate the rate of the reaction in terms of , , and . b. Draw a graph of the concentration of reactants and products over time. The initial concentration of and are 0.832 and 0.416 , respectively. 2. For the reaction + → , use the following data. [] () [] () Rate (/) 1.50 1.50 3.20 10 1.50 2.50 3.20 10 3.00 1.50 6.40 10 a. Derive the rate law. b. Determine the overall rate order. c. Calculate the rate constant. d. Calculate rate if [] = 0.122 and [] = 0.0350 . 3. Explain how the following increase the rate of a reaction: a. Increase temperature b. Increase concentration c. Adding a catalyst 4. Write the expression for ! for the following reactions a. () + () ⇌ 2() b. # $ # () + 6 () ⇌ 6 () + 6$ (%) c. 2 () ⇌ 2() + () d. $ &' (()) + $ (%)$&' (()) + $* + (()) 5. If [& ] = 0.1 , [ ] = 0.25 , and [&* ] = 0.35 at equilibrium for the reaction 2& () + () ⇌ 2&* (), a. Calculate !. b. Identify whether reactants or products are favored. c. If [& ] = 0.002 , [ ] = 1.5 , and [&* ] = 0.22 , predict the direction that the reaction will proceed. 6. For the reaction, $' () + ℎ.( ⇌ () + 2$ (), identify how the reaction can be shifted towards the products. 7. The equilibrium constant !/ for the decomposition of phosgene, % , is 4.63 10 * at 527 °: % () ⇌ () + % () Calculate the equilibrium concentrations of all components, if the reaction is initiated with 0.0116 phosgene.
