ain Suisea28. Hydrogen peroxide commonly known as agua oxigenada, decomposes into waterand oxygen gas. Adding Magnesium oxide catalyzes this reaction. Two set-ups ofthe decomposition of the same amounts of Hydrogen are observed. The firstset-up finishes after 10 minutes while the second set up finishes after 5 minutes.Which of the two set-ups is catalyzed?A. Set-up 1B. Set-up 2C. Set-up 1 and 2D. This problem lack important details.29. Refer to the figure below. In which set-up will the reaction occur faster?SH up XSet up OC. They have the same speed.A. Set-up QB. Set-up XD. The reactions cannot be determined.30. Which pertains to the minimum amount of energy required to initiate a chemicalreaction?C. Chemical ReactionA. Activation rateB. Activation energyD. Concentration31. Which of the following statements about rates of reaction is TRUE?A. A sugar cube will dissolve faster in water than a powdered sugar.B. Coffee powder will dissolve faster in hot water than in cold water.C. Painting iron fences decreases the surface area exposed to the air, thus delaysrusting.D. One gram of powdered juice dissolved in 100 ml of water will have a moreintense taste than a 5 gram of powdered juice dissolved in the same amountof water.2022.04.01 21:49

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28. Hydrogen peroxide commonly known as agua oxigenada, decomposes into water and oxygen gas. Adding Magnesium oxide catalyzes this reaction. Two set-ups of the decomposition of the same amounts of Hydrogen are observed. The first set-up finishes after 10 minutes while the second set up finishes after 5 minutes. Which of the two set-ups is catalyzed? A. Set-up 1 B. Set-up 2 C. Set-up 1 and 2 D. This problem lack important details.

28. Hydrogen peroxide commonly known as agua oxigenada, decomposes into water and oxygen gas. Adding Magnesium oxide catalyzes this reaction. Two set-ups of the decomposition of the same amounts of Hydrogen are observed. The first set-up finishes after 10 minutes while the second set up finishes after 5 minutes. Which of the two set-ups is catalyzed? A. Set-up 1 B. Set-up 2 C. Set-up 1 and 2 D. This problem lack important details.

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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8. Smelling salt decomposes spontaneously at room temperature by the equation below. A student places a 10.00-g sample into a 1-liter sealed rigid vessel. What measurements should the student make to determine the rate of this reaction?(NH4)2CO3(s)→2NH3(g)+H2O(g)+CO2(g) a. change in mass and temperature b. temperature and time c. change in mass and time d. change in pressure and time
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1. Determine the equation for solving the average rate of this reaction 2 N2 Os → 4 NO2+ O2 a. In terms of NO2 formation b. In terms of N2Os decomposition 2. Determine the order for the individual reactants in the following reaction, as well as the overall order of reaction: C2H4 + H2 > C2H6 Note: By experimentation, it was found out that the reaction obeys the following rate law: rate=k [C2H4] [H2]? 3. The reaction 4 OH + H2S → SO2+ 2 H2O + Hz is first order with respect to OH and first order with respect to H2S. a. What is the overall reaction order? b. What is the rate equation for the reaction?
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Consider the following mechanism: NO → N + O O + O3 → 2 O2 O2 + N → NO2 What is the role of O2? A. product only B. intermediate only C. Both intermediate and product D. reactant E. catalyst
= Using a rate law The rate of a certain reaction is given by the following rate law: rate = k[H₂ ] [NH₂] Use this information to answer the questions below. What is the reaction order in H₂? What is the reaction order in NH3? What is overall reaction order? At a certain concentration of H₂ and NH3, the initial rate of reaction is 17.0 M/s. What would the initial rate of the reaction be if the concentration of H₂ were doubled? Be sure your answer has the correct number of significant digits. The rate of the reaction is measured to be 2.0 x 10³ M/s when [H₂] = 0.75 M and [NH₂] = 0.44 M. Calculate the value of the rate constant. Be sure your answer has the correct number of significant digits. k= 0 0 04/ -1 X 1/5
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