Consider the balanced chemical equation. Submit Request Answer H2O2(aq) + 31- (aq) + 2H+(aq) → I3 (aq) + 2H20(1) In the first 12.0 s of the reaction, the concentration of I drops from 1.000 M to 0.773 M. Part B You may want to reference (Pages 587 -592) Section 14.3 while completing this problem. Predict the rate of change in the concentration of I3 (A[I3]/At). Express the rate to three significant figures and include the appropriate units. A[[3 ]/At = Value Units

Consider the balanced chemical equation. Submit Request Answer H2O2(aq) + 31- (aq) + 2H+(aq) → I3 (aq) + 2H20(1) In the first 12.0 s of the reaction, the concentration of I drops from 1.000 M to 0.773 M. Part B You may want to reference (Pages 587 -592) Section 14.3 while completing this problem. Predict the rate of change in the concentration of I3 (A[I3]/At). Express the rate to three significant figures and include the appropriate units. A[[3 ]/At = Value Units

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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During a chemical reaction the temperature drops from 26 oC to 14 oC. What can you conclude about the reaction? It has a high activation energy It is a combination reaction It is an endothermic reaction It is an exothermic reaction
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Consider the following data showing the initial rate of a reaction (A→products) at several different concentrations of A. [A](M) Initial rate (M/s) 0.15 0.014 0.30 0.055 0.60 0.220 You may want to reference (Page) Section 14.3 while completing this problem.
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> A Moving to another question will save this response. estion 19 Consider the reaction in aqueous solution: 3r + S20g2- → 13 + 2 SO42- Under a given set of conditions, the concentration of 13 changes from 0,0 M to 7,6 x 10-4 M in 20 seconds. Calculate A[SO2yAt (in mol/L-s) for this time interval. O -6.5 x 10-5 mol/L-s O 5.0 x 10-5 mol/L·s O 1.2 x 10-5 mol/L·s O 7.6 × 10-5 mol/L·s O -5.0 x 105 mol/L-s A Moving to another question will save this response. MacBook Air F6 F5 吕口 F4 F3 F2 F1 #3 24 % 7 6. 4. 2 00
The following data was collected for the reaction: A + B + C = Products Experiment Initial concentration (mM) Initial Rate (mM.s-1) A B C 1 1.25 1.25 1.25 8.7 2 2.5 1.25 1.25 17.4 3 1.25 3.02 1.25 50.8 4 1.25 3.02 3.75 457 5 3.01 1.00 1.15 ? Write the rate law for the reaction What is the order for the reaction? Use the data to predict the reaction rate for experiment 5
7. The rate of the endothermic reaction, H2CO3(aq)→H2O(l)+CO2(g), using 1.00 M H2CO3, can be increased by adding more water to the reactant boiling the water doubling the quantity of 1.00 M H2CO3 a. I only b. II only c. III only d. II and III only
4. A. B. C. D. E. 5. A. Which one of the following statements is correct? A catalyst that is present in the same phase as the reacting molecules is a heterogeneous catalyst. Elementary steps involving the simultaneous collision of two molecules are bimolecular. Absorption refers to the binding of molecules to a surface. Because the fast step limits the overall reaction rate, it is called the rate- determining step. A balanced chemical reaction equation details the individual steps that occur in the course of a reaction. A reaction NO₂(g) + CO(g) → NO(g) + CO₂(g) obeys the following rate law: Rate = K[NO₂]². What are the units for the rate constant? M¹.S¹