5-A+B plot of 1/AB vs time is a straight line. The slope is 0.055 (units left off intentionally) or the following questions, use an initial concentration of AB of 0.250M if needed. What is the value of the rate constant, k, at this temperature? type your answer... type your answer.... What is the rate law? rate- What is the half life of this reaction? type your answer..... What are the concentrations of A and B after 75s? type your answer..... S M. type your answer...... M (record 3 sig fe

5-A+B plot of 1/AB vs time is a straight line. The slope is 0.055 (units left off intentionally) or the following questions, use an initial concentration of AB of 0.250M if needed. What is the value of the rate constant, k, at this temperature? type your answer... type your answer.... What is the rate law? rate- What is the half life of this reaction? type your answer..... What are the concentrations of A and B after 75s? type your answer..... S M. type your answer...... M (record 3 sig fe

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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A chemistry graduate student is studying the rate of this reaction: 2 NH, (g) → N, (g) + 3H, (g) She fills a reaction vessel with NH, and measures its concentration as the reaction proceeds: [NH,] time (minutes) 1.00M 1.0 0.461 M 2.0 0.299 M 3.0 0.222M 4.0 0.176M Use this data to answer the following questions. rate = kO %3D Write the rate law for this reaction. Calculate the value of the rate constant k. k = 0 Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. Continue 2021 McGraw Hill LLC AI Rights Reserved Terms of Use 1 MacBook Air
Last part of this question... An industrial chemist is studying the rate of the Haber synthesis: N2 + 3H2 → 2NH3. Starting with a closed reactor containing 1.25 mol/L of N2 and 0.35 mol/L of H2, she finds that the H2 concentration has fallen to 0.12 mol/L after 40. seconds. What is the average rate of reaction of H2 over this time? (Enter in mol/liter/sec). 0.0058 You are correct.Your receipt no. is 155-176 Previous Tries What is the average rate of NH3 production for this example? (Enter in mol/liter/sec). 0.0038 You are correct.Your receipt no. is 155-8777 Previous Tries Estimate the N2 concentration after 40 seconds? (Enter in mol/liter).
16 The reaction C2H5Cl →C2H4 + HCl is first order in C2H5Cl. The rate constant is 1.60 x 10-6/s. In an investigation of the decomposition of C2H5Cl an initial concentration of 0.165 mol/L was used. How many hours will it take for 75% of C2H5Cl to decompose? Select one: a. 241 b. 341 h c. 541 d. 841
. For the following generic reaction: a A + b B -- > c C + d DWhat is the rate of reaction (rate expression) as a function of change in concentration (e.g. Δ[A]) andchange in time (Δt)?Describing Chemical Kinetics:1. Measuring RateThe rate of a chemical reaction is determined by:A. Change of moles of reactants/products over change in timeB. Change of grams of reactants/products over change in timeC. Change in concentration over change in timeD. change in volume over change in timeWrite the rate expressions based on the definition above for:a A + b B -- > c C + d Da A -- > productsDoes the order in reactant (m, n) in the rate law have anything to do with the coefficients of the reactants?
A plot of ln[A] (unit of M) vs. time (unit of s) gave a straight line with a slope of -0.0448 and y-intercept of 3.5. a) Draw the corresponding graph expected for this reaction in terms of concentration vs. time? b) What is the rate law for this reaction? c) What is the initial concentration of A and rate constant for this reaction?
Consider this reaction: →NH4OHaq+NH3aqH2Oaq At a certain temperature it obeys this rate law.rate =·26.0M−1s−1NH4OH2 Suppose a vessel contains NH4OH at a concentration of 1.28M. Calculate the concentration of NH4OH in the vessel 0.270 seconds later. You may assume no other reaction is important.Round your answer to 2 significant digits. =___M
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43-46 Consider the time and concentration data for: 2 NO2(g) 2 NO(g) + O2(g). Time, s [NO2] 43 a. How long is the first half-life? Write the value and units 0.100 0.072 20 b. How long is the second half-life? Write the value and units 0.050 50 44. Write the rate law for this reaction. Explain why you made this choice. 0.036 90 0.025 150 45. What is the value of the rate constant? Write the general equation, the calculation equation with units, and the answer with units 46. How much time is needed until only 0.010 M NO2 remains? Write the general equation, the calculation with units, and the answer with units c
General Chemistry 4th Edition McQuarrie • Rock • Gallogly University Science Books presented by Macmillan Learning Initial-rate data at a certain temperature is given in the table for the reaction N,0,(g) NO(g) + NO,(g) [N,O,], (M) Initial rate (M/s) 0.100 0.480 0.200 0.9600 0.300 1.440 Determine the value and units of the rate constant. units: k =
Use the graph to answer the questions below. Report answers to 3 significant figures. a. What is the initial concentration? b. What is the concentration at 1250 seconds? c. At what time is the concentration .0167M? d. What is the half-life? e. What is the rate constant? 7. a. Calculate the enthalpy of the reaction H2C=CH2(g) + H2O(ℓ) →CH3−CH2−OH(ℓ)