11. Hydrogen peroxide decomposes to form oxygen gas and water. The rate of the reaction was studied at aparticular temperature. The following data was obtained, what was the average rate of decomposition'?Initial Concentration (H,O,)Final Concentration (H,O,)Time Elapsed0.200 mol/L0.154 mol/L20 s(3 r

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Answered: 11. Hydrogen peroxide decomposes to…

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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Consider the reaction: H2 (g) +I2 (g) → 2 HI (g) A chemist performed an experiment and monitored the concentration of I2 during the course of the reaction. The red line in the graph below represents the results obtained. Which line in the plot would best represent how the concentration of HI changes during the course of the reaction? Time (s) Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a a b b d d е е Concentration (M)
Consider the following fictitious balanced chemical equation below. In the first 230.0 seconds of the reaction, the concentration of B falls from 0.2836 M to 0.1626 M. What is the average rate of this reaction? 5 A (g) + 7 B (g) → 4 C (g) + 6 D (g)
For the reaction between aluminum metal and copper chloride (CuCl2) that we performed together, what is the reason that breaking a single 5 g piece of aluminum into 25 smaller pieces of aluminum (still with a total mass of 5 g ) speeds up the reaction rate.
Deducing a rate law from initial reaction rate data Some measurements of the initial rate of a certain reaction are given in the table below. [N] [H] initial rate of reaction 0.977 M 1.26 M 0.162 M/s 2.87 M 1.26 M 1.40 M/s 0.977 M 2.13 M 0.274 M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate = kO k = 0 Explanation Check O 2021 McGraw-Hill Education, All Rights Type here to search 立

Aluminum will slowly react with oxygen to produce aluminum oxide. The rate of this reaction has been measured for two different reaction conditions. The rate is 4 mmol/s when 2 M Al is reacted with 3 M O, and the rate is 2 mmol/s when 1 M Al is reacted with 3 M O. What would be the value of M for the rate equation, rate = k [Al]^m[O}^n
Here is a graph of the molarity of bromine Br2 in a reaction vessel during a certain chemical reaction. If Br2 is being created or destroyed, what is the rate at which it is being created or destroyed 10 seconds after the reaction starts? Round your answer to 2 significant digits. If Br2 is being created or destroyed, what is the average rate at which it is being created or destroyed during the first 10 seconds of the reaction? Round to 2 significant digits.
Can someone please help with question 7
QUESTION 7 Match the part of the rate law with the correct term. 2 NO(g) + Cl2(g) --> 2 NOCI(g) 2. rate 3.0 mol2*s A 3.0 mol2*s A. Y rate constant vorder of reaction with respect to NO vorder of reaction with respect to Cl2 В. 1 C. 2 overall reaction order D. 3 QUESTION 8 2.
(#28) Reaction Rates and time. A decomposition reaction in the first order has a rate constant of 1.26 x 10-4/sec. If the initial concentration of the reactant is 0.644 M. how much time will it take before 20% of the reactant has decomposed? 28a) In blank #1, type-in the working formula to solve for the time required. Enter the algebraic formula as a one-line equation and without spaces in between characters. Use lowercase for all fonts. 28b) In blank #2, type in your answer for the time it will take for 20% f the reactant to decompose. The answer is in seconds but do not include the unit. Enter your answer as a whole number with four significant figures.

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