Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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(4a) The following initial rate data are for the reduction of nitric oxide with hydrogen:
2 NO + 2 H2N2 + 2 H2O
| Experiment | [NO]o, M | [H2]o, M | Initial Rate, M s-1 |
| 1 | 0.438 | 0.289 | 7.93×10-2 |
| 2 | 0.876 | 0.289 | 0.317 |
| 3 | 0.438 | 0.578 | 0.159 |
| 4 | 0.876 | 0.578 | 0.634 |
Complete the rate law for this reaction in the box below.
Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n.
| Rate = |
From these data, the rate constant is ____________ M-2s-1.
(4b) The following initial rate data are for the reaction of ammonium ion with nitrite ion in aqueous solution:
NH4+ + NO2- N2 + 2 H2O
| Experiment | [NH4+]o, M | [NO2-]o, M | Initial Rate, Ms-1 |
| 1 | 0.710 | 0.152 | 3.38×10-5 |
| 2 | 0.710 | 0.303 | 6.73×10-5 |
| 3 | 1.42 | 0.152 | 6.76×10-5 |
| 4 | 1.42 | 0.303 | 1.35×10-4 |
Complete the rate law for this reaction in the box below.
Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n
| Rate = |
From these data, the rate constant is _________M-1s-1.
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