Mechanisms and Molecularity < 7 of 18 > I Review | Constants | Periodic Table Part C Learning Goal: To understand how elementary steps make up a mechanism and how the rate law for an elementary step can be determined. What is the rate law for step 1 of this reaction? Express your answer in standard MasteringChemistry notation. For example, if the rate law is k[A]C type k* [A] + [C]^3. > View Available Hint(s) Very often, a reaction does not tell us the whole story. For instance, the reaction Rate = NO2(9) + CO(g)→NO(g) + CO2(g) does not involve a collision between an NO, molecule and a CO molecule. Based on experimental data at moderate temperatures, this reaction is thought to occur in the following two steps: Submit 1. NO2(9) + NO2(9)→NO3(9) + NO(g) 2. NO3(g) + CO(g)→CO2(9) + NO2(9) Part D Each individual step is called an elementary step. Together, these elementary steps are called the reaction mechanism. What is the rate law for step 2 of this reaction? Express your answer in standard MasteringChemistry notation. For example, if the rate law is kA||C type k* [A] * [C]^3. Overall, the resulting reaction is > View Available Hint(s) NO2(9) + CO(9)-→NO(g) + CO2(g) Rate

Mechanisms and Molecularity < 7 of 18 > I Review | Constants | Periodic Table Part C Learning Goal: To understand how elementary steps make up a mechanism and how the rate law for an elementary step can be determined. What is the rate law for step 1 of this reaction? Express your answer in standard MasteringChemistry notation. For example, if the rate law is k[A]C type k* [A] + [C]^3. > View Available Hint(s) Very often, a reaction does not tell us the whole story. For instance, the reaction Rate = NO2(9) + CO(g)→NO(g) + CO2(g) does not involve a collision between an NO, molecule and a CO molecule. Based on experimental data at moderate temperatures, this reaction is thought to occur in the following two steps: Submit 1. NO2(9) + NO2(9)→NO3(9) + NO(g) 2. NO3(g) + CO(g)→CO2(9) + NO2(9) Part D Each individual step is called an elementary step. Together, these elementary steps are called the reaction mechanism. What is the rate law for step 2 of this reaction? Express your answer in standard MasteringChemistry notation. For example, if the rate law is kA||C type k* [A] * [C]^3. Overall, the resulting reaction is > View Available Hint(s) NO2(9) + CO(9)-→NO(g) + CO2(g) Rate

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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The initial rate of reaction between Substance A and Substance B was measured at a series of concentrations of each reactant with the following results. Solve the rate law expression of this reaction. Show rough notes, calculations , rules of sig figs and box final answer. A + B --> AB Trial Number trial#1 trial#2 trial#3 A 0.10 M 0.30 M 0.30 M B 0.10 M 0.10 M 0.20 M Initial Rate (mol/L -s) 5.0 x 10-4 1.5 x 10-3 6.0 x 10-3
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I Review | Constants | Periodic Table The integrated rate laws for zero-, first-, and second-order reaction may be arranged such that they resemble the equation for a straight line, y = mI +b. Part A Order Integrated Rate Law Graph Slope [A]= =- kt + [Alp [A] vs. t k The reactant concentration in a zero-order reaction was 7.00x10-2 M after 170 s and 3.00x10-2 M after 360 s. What is the rate constant for this reaction? 1 In[A]: kt + In[A]o In[A] vs. t Express your answer with the appropriate units. Indicate the multiplication of units, as necessary, explicitly either with a multiplication dot or a dash. - kt + TANo [A] A vs. t 2 k > View Available Hint(s) koth = 2.11x10-4 Submit Previous Answers v Correct Correct answer is shown. Your answer 2.1-10-4 was either rounded differently or used a different number of significant figures than required for this part. Important: If you use this answer in later parts, use the full unrounded value in your calculations. Part B What was the initial…
help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
s Tools Help CHEM LMAO FIlashcards | Quizl X G Write the rate law for the first o X + https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=D0&launchUrl=http: Saved Check my work Be sure to answer all parts. If 0.050 mol hydrochloric acid (HCI) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee cup" calorimeter, the temperature of 1.57 × 102 g of the resulting solution increases from 25.7°C to 31.0° С. Part 1 out of 2 If the specific heat of the solution is 1.00cal/g °C, calculate the quantity of energy involved in the reaction. (select) Enter your answer in scientific notation. 3 attempts left Check my work Next part o search II
[References] Consider two reaction vessels, one containing A and the other containing B, with equal concentrations at t = 0. If both substances decompose by first- order kinetics, where kA = 5.00 x 10-4 s-1 kB = 4.00 x 10-3 s1 %3D how much time must pass to reach a condition such that [A] = 4.00[B]? Time %3D Submit Answer Try Another Version 10 item attempts remaining t 12:45 PM earch O E CHO 12/6/2021
ent Score: 19 of 19 > Q Search *- Using the data in the table, calculate the rate constant of this reaction. % 5 FS 84.7% T B A+B C+D k = ** 6 F6 Y H 08 N F7 & 7 U C IM F8 * 8 @ 11 K ( 9 8 F10 O 0 F11 P U Trial 1 2 3 Units F12 [A] (M) 0.200 0.200 0.340 [B] (M) 0.210 0.525 0.210 M2S-1 Rate (M/s) 0.0239 0.149 0.0406 Soafers ENG 70 Atten Shift 3:27 PM 2/8/2024 JUL
1C. Effect of Catalyst Catalytic material to be tested Catalyst present (Yes or NO) Test Observation tube # Reference Clear solution, No fizzing (plain H2O2) NO 2 KI fast evolution Vigorous fizzing, gas/bubbles of yes yes NO Vigorous fizzing, Very fast evolution of gas/bubbles 3 PbO2 Copper wire No Change, No fizzing, No bubbles 5 Fresh potato Moderate fizzing, slow bubbles evolution yes yes Boiled potato Very slow fizzing, Few bubbles Which substance is the most catalytically active for H2O2 decomposition? Question 5. Arrange the five tested materials in order of increasing catalytic activity. Question 6. Explain for the difference in your observations between test tubes 5 and 6.
Chem 113-MC02 Spring 2021 View Available Hint(s) Cl(g) + CC (g) k. → CCL(g) (fast) ΑΣφ OA chemical reaction does not occur for this Submit Part B Complete previous partís) Part C Complete previous part(s) Copyright 2021 Person EducanAgns ved Provide Feedback ProblemiD=16204755480ffeet-prev
ST6D.1 (pre-exponential factor) - Determine the pre-exponential factor [in 1/(M s)] for a reaction with an activation energy of 3.9 kJ/mol if its rate constant equals 6.75/(M s) at 300 K. Hint = Draw a qualitative graph to see how to get b from the In(k) value you already have. Type your answer..
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