1. Consider the reaction 2H2 + O2 + 2H2O What is the ratio of the initial…

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1. Consider the reaction 2H2 + O2 + 2H2O What is the ratio of the initial…

1. Consider the reaction 2H2 + O2 + 2H2O What is the ratio of the initial rate of the appearance of water to the initial rate of disappearance of oxygen? a) 1:1 b) 2:1 c) 1:2 d) 2:2 e) 3:2 Garance of water to the initial rate of disappearance of oxyge 2. Consider the reaction X Y Z Which of the following is a possible rate law? a) Rate = k[X] Rate = k[Y] Rate = k[Y][Z] Rate = k[X][Y] Rate = k[Z] e) What are the units for the rate constant for an overall third order reaction? a) b) L/molis L/mol.s mol/Los $2 e) L-2 4. For which order reaction is the half-life of the reaction inversely proportional to k, the rate constant? a) zero order b) first order second order d) all of the above e) none of the above PROBLEMS: Show all work for full credit. Point worth is in parentheses. 5. (20 points) Consider the following data concerning the equation: H2O2 + 3 + 2H+ +13 + 2H2O [H2O2] [1] [H] 0.100 M 5.00 x 10 4M 1.00 x 10-2 M II. 0.100 M 1.00 x 10-3M 1.00 x 10-2 M 0.200 M 1.00 x 10-3M 1.00 x 10-2M 0.400 M 1.00 x 10-‘M 2.00 x 10-2M rate 0.137 M/sec 0.268 M/sec 0.542 M/sec 1.084 M/sec III. IV. Determine the rate law and calculate k (include units.)
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