A chemistry graduate student is studying the rate of this reaction: 280, (g) → 2S0, (g) +O, (g) He fills a reaction vessel with SO, and measures its concentration as the reaction proceeds: time [so,] (seconds) 0.200M 0.10 0.127M 0.20 0.0805 M 0.30 0.0511 M 0.40 0.0324M Use this data to answer the following questions. Write the rate law for this reaction. rate = k x10 Calculate the value of the rate constant k.

Some measurements of the initial rate of a certain reaction are given in the table below. [H,] [L] initial rate of reaction 1.49 М 0.916М 5.00 x 10°M/s 3 1.49M 0.436M 2.38 x 10°M/s 6.87M| 0.916M 2.31 × 10“M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate = k | Ox10 Do k =

Determine the rate law and the rate constant for this reaction. 13.125. The table contains reaction rate data for the reaction 2 NO(g) + Cl,(g)→ 2 NOCI(g) Initial Rate Experiment [NO], (M) [Cl_]o (M) (M/s) 1 0.20 0.10 0.63 0.20 О.30 5.70 0.80 0.10 2.58 0.40 0.20 Predict the initial rate of reaction in experiment 4. 13.126. An important reaction in the formation of photochemical smog is the reaction between ozone and NO: NO(g) + O3(g) → NO;(g) + O,(g) 2. 2. 3.

Some measurements of the initial rate of a certain reaction are given in the table below. H2 12 initial rate of reaction 1.89 M | 0.790м 9.00 x 10°M/s 2.27 x 10°M/s 1.78 x 10° M/s 1.89 M | 0.199м |0.373 М 0.790м Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate = k || k =

Some measurements of the initial rate of a certain reaction are given in the table below. [H] [1] initial rate of reaction 0.521 M 1.19M 43.0M/s 0.749M 1.19M 61.8 M/s 0.521 M 0.130M 4.70M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate k x10 k = 0

Consider this reaction: H,CO, (ag) – H,0 (aq) + CO, (ag) At a certain temperature it obeys this rate law. rate = (9.70 x 10-4s)H,co,] Suppose a vessel contains H,CO, at a concentration of 0.470 M. Calculate the concentration of H,CO, in the vessel 680. seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. x10

Consider this reaction: 2NH, (g) → N, (g) +3H, (g) At a certain temperature it obeys this rate law. 2 rate = (0.0581 Ms)[NH,1 Suppose a vessel contains NH, at a concentration of 1.39M. Calculate the concentration of NH, in the vessel 70.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M x10 ?

Consider this reaction: 2NH3 (g) → N, (g)+3H, (g) At a certain temperature it obeys this rate law. rate = (0.0324 Ms)[NH,] -1 Suppose a vessel contains NH, at a concentration of 1.37M. Calculate how long it takes for the concentration of NH, to decrease to 0.233 M. You may assume no other reaction is important. Round your answer to 2 significant digits. S x10

18.

Some measurements of the initial rate of a certain reaction are given in the table below. H2||2| initial rate of reaction 0.554M| 1.43M 2.00 M/s 1.05 M 1.43 М 3.79 M/s 0.554M 4.76M 6.66 M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate k I x10 k =