20. Hydrogen peroxide, H,O,, can be decomposed into water, H0, and oxygen, O2 with the use of a catalyst. Which of these will MOST likely incre the rate of the reaction? O decreasing the catalyst concentration O increasing the pressure of the oxygen O increasing the H,0, concentration O decreasing the temperature of the H,O, PREVIOUS 20 of 25 NEXT US Lir Chp

20. Hydrogen peroxide, H,O,, can be decomposed into water, H0, and oxygen, O2 with the use of a catalyst. Which of these will MOST likely incre the rate of the reaction? O decreasing the catalyst concentration O increasing the pressure of the oxygen O increasing the H,0, concentration O decreasing the temperature of the H,O, PREVIOUS 20 of 25 NEXT US Lir Chp

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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7. Reactions A and B were studied and found to produce the given energy diagrams. 150 150 Energy 100 (kJ/mol) 100 Energy (kJ/mol) 50 50 Reaction progress Reaction progress Reaction A Reaction B A third reaction, C was studied with a measured activation energy of 55 KJ/mol. Assume all reactions take place at the same temperature. Reaction A is slowest a. b. Reaction B is slowest c. Reaction C is slowest d. All reactions happen at the same rate.
An equilibrium-controlled reaction will yield: Select one: ⒸA. the product that forms the fastest. ⒸB. the product whose formation involves the smallest energy of activation. OC. the product that can be formed in the fewest steps. OD. the most stable product.
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catalyst? How does a catalyst change the rate of a reaction without affecting its equilib- rium?
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Describe the effect of the following on the rate of the reaction: S8(s) + 8 O2(g) → 8 SO2(g) 1) Decreasing the concentration of O2(g) will likely ______ the rate of the reaction. A) increaseB) deceaseC) not change 2) Decreasing the temperature will likely _____ the rate of the reaction. A) increaseB) deceaseC) not change 3) Using S8(s) in large chunks will result in _____ reaction rate than using S8(s) in fine powder.A) a faster B) a slowerC) the same 4) If no catalyst is used the reaction rate will be ______ than if a catalyst is used. A) faster B) slowerC) the same
Raising the temperature of a reaction causes which of the following? O The rate of reaction will increase. O The rate of reaction will not change. O The rate of reaction will decrease. O None of these.