Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Textbook Question
Chapter 7.1, Problem 7.1QC
Problem 7-1
In the reaction
we measure the evolution of oxygen gas to determine the
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Students have asked these similar questions
Consider the first order reaction
B → Products
The reaction has k = 2.77 x 10-2 min-1. How long will it take for the concentration of reactant to drop to 6.25% of its initial value?
a) 154 min
b) 100 min
c) 137 min
d) none options
e) 120 min
IL Evaluation
Activity 1: Identification
Directions: Predict the rate of the reaction in the following. Assume that the substances below are
reactants for different reactions. Indicate if the reaction will be slower, faster, or have the
same rate. The first one is done for you.
Normal condition
Changed condition
Factor
Reaction rate
20% HCI
5% HCI
concentration
faster
1. 276 K
315 K
2. A cube of sugar
3. 5 sampalok cube
4. 45 g of Na0H
A powder of sugar
1 sampalok cube
52 g of NaOH
5. 3.68 x 1025 atoms of Li
9.25 x 1023 atoms Li
6. 500 K, 4.5% Barium
600K, 4.5% Barium
7. 45 g.of NaOH
8.560 mL of soy sauce
52 g of NaOH
5.6 L of soy sauce
9.500 K, 4.5% Barium
600K, 5.5% Barium
Starch + water + amylase
10.Starch + water
Home work (1) Derive the equation for the rate of [NO2] formation for the following
reaction
1
NO2 Cl →A NO2 +
Cl2
Chapter 7 Solutions
Introduction To General, Organic, And Biochemistry
Ch. 7.1 - Problem 7-1 In the reaction we measure the...Ch. 7.4 - Problem 7-2 Calculate the rate for the reaction in...Ch. 7.6 - Prob. 7.3QCCh. 7.6 - Prob. 7.4QCCh. 7.6 - Prob. 7.5QCCh. 7.7 - Prob. 7.6QCCh. 7.7 - Problem 7-7 Consider the following equilibrium...Ch. 7.7 - Prob. 7.8QCCh. 7.7 - Prob. 7.9QCCh. 7 - 7-11 Consider the following reaction: Suppose we...
Ch. 7 - 7-12 Two kinds of gas molecules are reacted at a...Ch. 7 - 7-13 Why are reactions between ions in aqueous...Ch. 7 - Prob. 4PCh. 7 - 7-15 A certain reaction is exothermic by 9...Ch. 7 - 7-16 A quart of milk quickly spoils if left at...Ch. 7 - 7-17 If a certain reaction takes 16 h to go to...Ch. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - 7-22 If you add a piece of marble, CaCO3 to a 6 M...Ch. 7 - Prob. 13PCh. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - 7-26 Write the chemical equations corresponding to...Ch. 7 - Prob. 17PCh. 7 - 7-28 When the following reaction reached...Ch. 7 - 7-29 The following reaction was allowed to reach...Ch. 7 - Prob. 20PCh. 7 - 7-31 Here are equilibrium constants for several...Ch. 7 - 7-32 A particular reaction has an equilibrium...Ch. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - 7-35 A reaction has a high rate constant but a...Ch. 7 - 7-36 Complete the following table showing the...Ch. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - 7-40 Is there any change in conditions that change...Ch. 7 - 7-41 The equilibrium constant at 1127°C for the...Ch. 7 - Prob. 32PCh. 7 - 7-43 (Chemical Connections 7A and 7B) Why is a...Ch. 7 - Prob. 34PCh. 7 - 7-45 (Chemical Connections 7C) A painkiller—for...Ch. 7 - 7-46 (Chemical Connections 7D) What reaction takes...Ch. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - 7-50 Draw an energy diagram for an exothermic...Ch. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - Prob. 43PCh. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - 7-57 Write the reaction to which the following...Ch. 7 - Prob. 48PCh. 7 - Prob. 49PCh. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Prob. 55PCh. 7 - Prob. 56PCh. 7 - Prob. 57PCh. 7 - Prob. 58PCh. 7 - 7-69 Pure carbon exists is several forms, two of...Ch. 7 - Prob. 60PCh. 7 - 7-71 You have a beaker that contains solid silver...Ch. 7 - Prob. 62PCh. 7 - Prob. 63PCh. 7 - Prob. 64PCh. 7 - Prob. 65PCh. 7 - Prob. 66PCh. 7 - Prob. 67PCh. 7 - Prob. 68PCh. 7 - Prob. 69PCh. 7 - Prob. 70PCh. 7 - Prob. 71PCh. 7 - Prob. 72PCh. 7 - Prob. 73PCh. 7 - Prob. 74PCh. 7 - 7-82 An equilibrium mixture of O2, SO2, and SO3...Ch. 7 - Prob. 76PCh. 7 - Prob. 77P
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- 7-10 The rate of disappearance of HCI was measured for the following reaction: The initial concentration of HCI is 1.85 M. Its concentration decreases to 1.58 M in 54.0 min. What is the rate of reaction?arrow_forwardI Review | Constants | Periodic Table The half-life of a reaction, t1/2, is the time it takes for the reactant concentration A to decrease by half. For example, after one half-life the concentration falls from the initial concentration Ao to [Alo/2, after a second half-life to [A]o/4, after a third half-life to [Alo/8, and so on. on. v Correct Part B A certain second-order reaction (B→products) has a rate constant of 1.80x10-3 M.s-1 at 27°C and an initial half-life of 246 s. What is the concentration of the reactant B after one half-life? Express your answer with the appropriate units. • View Available Hint(s) ? HA 2.04 Marrow_forwardQUESTION 8 What is the order of the reactant when a plot of the natural log [reactant] vs time is linear? O -2 O 2 O 1/2 O 1arrow_forward
- Question 7 A graph of Z concentration during a chemical reaction is shown. Determine the average rate Z is being lost or gained during the first 60 seconds of reaction. -3.5e-3 M/s The instantaneous rate of Z loss/gain at 60 seconds is slower than average rate loss/gain during the first 60 seconds. [z] 0.25 0.2- 0.15- 0.1- 0.05- 0- 20 40 60 80 100 120 140 time (s) Il Proctorio is sharing your screen. Stop sharing Hide itsarrow_forwardQuestion 15: For the reaction 2NOCI -> 2NO + CI2, a plot of 1/[ NOCI] vs. time in seconds yields a straight line with slope 2E-3. What is the rate law ? O rate = 4E-6 /s [NOCI] O rate=2E-3/s [NOCI] rate = 4E-6 L/mol-s [NOCI]² O rate=2E-3/s [NOCI]² rate=2E-3 L/mol-s [NOCI]²arrow_forwardQuestion 10 For the reaction A+B+CD+E, the initial reaction rate was measured for various initial concentrations of reactants. The following data were collected: Trial 1 2 3 4 [A] [B] [C] Initial rate (M) (M) (M) (M/s) 0.40 0.40 0.40 1.2x10-4 0.40 0.40 1.20 0.80 0.40 0.40 0.80 0.80 0.40 3.6x10-4 4.8x10-4 4.8x10-4 k 1.9x10 M4.8 Submit ✓ Correct Part E Previous Answers Given the data calculated in Parts A, B, C, and D, determine the initial rate for a reaction that starts with 0.65 M of reagent A and 0.80 M of reagents B and C? Submit Express your answer to two significant figures and include the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot or a dash. ► View Available Hint(s) Value Provide Feedback μA Units MacBook Pro P Pearson 10 of 15 www. res Review | Constants I Periodic Table ? Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us | Next >arrow_forward
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