For a reaction AB, the initial [A] = 1.0M and [B] = 0 M. After 5 minutes the [A] has fallen to 0.4 M and then does not change any further. Draw a graph of [A] vs. time for the first 10 minutes.

Consider the following balanced chemical reaction: A + B → C The following table shows initial reaction rates obtained using different initial concentration of A and B: Initial [A] (mol L-) Initial [B] (mol L-1) Initial Rate (mol L-1 s-1) 0.202 0.350 0.138 0.202 0.701 0.277 0.604 0.350 0.413 0.604 0.701 0.827 If rate = k[A]"[B]" , then m = • and n =

For a reaction AB, the initial [A] = 1.0M and [B] = 0 M. After 5 minutes the [A] has fallen to 0.4 M and then does not change any further. Draw a graph of [A] vs. time for the first 10 minutes.

In 2nd order reaction 2OH →→ H2O + O k = 1.47 x 1010 M-1 s-1. There is an initial OH concentration of [OH]0 = 1.88×10−4M.     a)How long will it take for the OH concentration to decrease to 6.0997×10−5M?

1. In the Rates of Chemical Reactions lab you measured the experimental rate of the following reaction: S208 +212 +2 SO4² Given a graph of moles S₂Og 2 consumed versus time (s) with a best fit linear line and a total volume of 325 mL for the reaction, explain how would you determine the rate of reaction? 2. The initial rates listed in the following table were determined for the reaction: H2PO3 (aq) + OH (aq) →HPO3²¯ (aq) + H2O (1) Trial Initial [H₂PO3¯], (M) Initial [OH], (M) Initial Rate of Consumption (M/s) 1 0.025 0.030 0.432 2 0.100 0.030 1.728 3 0.100 0.015 0.864 a) What is the rate law? b) What is the value of the rate constant, k? c) What is the initial rate when the initial concentrations of both reactants are 0.12 M? 3. The following experimental data was obtained for the bromination of acetone at 30°C. 21 +2 H+H2O2 → I2 + 2 H₂O Trial Initial [I] (M) Initial [H+] Initial [H2O2] (M) Rate (M/sec) (M) 1 0.001 0.005 0.001 2.0 x 104 2 0.002 0.005 0.001 4.0 x 10+ 3 0.006 0.002 0.001…

For the reaction mechanism below answer the questions.    Fast equilibrium             OH-   +  O2NNH2  --> O2NNH-   +     H2O   Slow                                                     O2NNH-       -->   N2O      +          OH-   a. What is the overall reaction?

What is the order of the reaction with respects to B and why is that? Please explain .

14. Consider the initial rate data at a certain temperature for the reaction 2NO + 2H2l + 2H,O Experiment 但](M) NO] (M) Initial rate (M/s) 0.200 0.200 2.06x10-4 2. 0.200 0.400 8.24x10-4 3 0.400 0.400 1.65x10-3 a. Determine the rate law for the reaction. b. Calculate the rate constant.

In 2nd order reaction 2OH →→ H2O + O k = 1.47 x 1010 M-1 s-1. There is an initial OH concentration of [OH]0 = 1.88×10−4M.     a)How long will it take for the OH concentration to decrease to 6.0997×10−5M?

A chemistry graduate student is studying the rate of this reaction: 2H, РО, (ад) - Р,0, (aq) +зн,о (ад) She fills a reaction vessel with H,PO, and measures its concentration as the reaction proceeds: 4 time [H,PO,] (seconds) 0.400M 10. 0.246M 20. 0.152M 30. 0.0934M 40. 0.0575 M Use this data to answer the following questions.