## Unit 10 Sample Test

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  ...

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.