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ChemistryGeneral Chemistry - Standalone book (MindTap Course List)Methyl isocyanide, CH 3 NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH 3 CN. CH 3 NC ( g ) → CH 3 CN ( g ) The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 × 10 −4 /s. What is the half-life? How long would it take for the concentration of CH 3 NC to decrease to 50.0% of its initial value? to 12.5% of its initial value?

Methyl isocyanide, CH 3 NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH 3 CN. CH 3 NC ( g ) → CH 3 CN ( g ) The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 × 10 −4 /s. What is the half-life? How long would it take for the concentration of CH 3 NC to decrease to 50.0% of its initial value? to 12.5% of its initial value?

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General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343
BuyFind

General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343

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Textbook Problem

Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.

CH 3 NC ( g ) → CH 3 CN ( g )

The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 × 10−4/s. What is the half-life? How long would it take for the concentration of CH3NC to decrease to 50.0% of its initial value? to 12.5% of its initial value?

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Chapter 13 Solutions

General Chemistry - Standalone book (MindTap Course List)
Ch. 13.1 - For the reaction given in Example 13.1, how is the...Ch. 13.1 - Iodide ion is oxidized by hypochlorite ion in...Ch. 13.1 - Shown here is a plot of the concentration of a...Ch. 13.3 - What are the reaction orders with respect to each...Ch. 13.3 - Consider the reaction Q+RS+T and the rate law for...Ch. 13.3 - The initial-rate method was applied to the...Ch. 13.3 - Rate laws are not restricted to chemical systems;...Ch. 13.4 - a. What would be the concentration of dinitrogen...Ch. 13.4 - The isomerization of cyclopropane, C3H6, to...Ch. 13.4 - A reaction believed to be either first or second...
Ch. 13.5 - Consider the following potential-energy curves for...Ch. 13.6 - Acetaldehyde, CH3CHO, decomposes when heated....Ch. 13.7 - The iodide ion catalyzes the decomposition of...Ch. 13.7 - The following is an elementary reaction that...Ch. 13.7 - Write the rate equation, showing the dependence of...Ch. 13.8 - The iodide-ion-catalyzed decomposition of hydrogen...Ch. 13.8 - Nitrogen monoxide, NO, reacts with oxygen to...Ch. 13.8 - You are a chemist in charge of a research...Ch. 13 - List the four variables or factors that can affect...Ch. 13 - Define the rate of reaction of HBr in the...Ch. 13 - Give at least two physical properties that might...Ch. 13 - A rate of reaction depends on four variables...Ch. 13 - The exponents in a rate law have no relationship...Ch. 13 - The reaction...Ch. 13 - The rate of a reaction is quadrupled when the...Ch. 13 - A rate law is one-half order with respect to a...Ch. 13 - The reaction A(g)B(g)+C(g) is known to be first...Ch. 13 - Compare the half-life equations for first-order...Ch. 13 - What two factors determine whether a collision...Ch. 13 - Sketch a potential-energy diagram for the...Ch. 13 - Draw a structural formula for the activated...Ch. 13 - Rate constants for reactions often follow the...Ch. 13 - By means of an example, explain what is meant by...Ch. 13 - Why is it generally impossible to predict the rate...Ch. 13 - The rate law for the reaction...Ch. 13 - There is often one step in a reaction mechanism...Ch. 13 - The dissociation of N2O4 into NO2, N2O4(g)2NO2(g)...Ch. 13 - How does a catalyst speed up a reaction? How can a...Ch. 13 - Compare physical adsorption and chemisorption...Ch. 13 - Describe the steps in the catalytic hydrogenation...Ch. 13 - You are running the reaction 2A+BC+3D. Your lab...Ch. 13 - At a constant temperature, which of the following...Ch. 13 - Consider the reaction E+FG+H, which has the...Ch. 13 - The hypothetical reaction A+B+CD+E has the rate...Ch. 13 - Kinetics I Consider the hypothetical reaction A(g)...Ch. 13 - Kinetics II You and a friend are working together...Ch. 13 - Consider the reaction 3A2B+C. a One rate...Ch. 13 - Given the reaction 2A+BC+3D, can you write the...Ch. 13 - The reaction 2A(g)A2(g) is being run in each of...Ch. 13 - When viewed from a molecular perspective, a...Ch. 13 - You perform some experiments for the reaction AB+C...Ch. 13 - A friend of yours runs a reaction and generates...Ch. 13 - Given the hypothetical plot shown here for the...Ch. 13 - You carry out the following reaction by...Ch. 13 - You are running the reaction 2A+BC+3D. Your lab...Ch. 13 - The chemical reaction AB+C has a rate constant...Ch. 13 - Relate the rate of decomposition of NH4NO2 to the...Ch. 13 - For the reaction of hydrogen with iodine...Ch. 13 - To obtain the rate of the reaction...Ch. 13 - To obtain the rate of the reaction...Ch. 13 - Ammonium nitrite, NH4NO2, decomposes in solution,...Ch. 13 - Iron(III) chloride is reduced by tin(II) chloride....Ch. 13 - Azomethane, CH3NNCH3, decomposes according to the...Ch. 13 - Nitrogen dioxide, NO2, decomposes upon heating to...Ch. 13 - Hydrogen sulfide is oxidized by chlorine in...Ch. 13 - For the reaction of nitrogen monoxide, NO, with...Ch. 13 - Oxalic acid, H2C2O4, is oxidized by permanganate...Ch. 13 - Iron(II) ion is oxidized by hydrogen peroxide in...Ch. 13 - In experiments on the decomposition of azomethane....Ch. 13 - Ethylene oxide. C2H4O, decomposes when heated to...Ch. 13 - Nitrogen monoxide NO, reacts with hydrogen to give...Ch. 13 - In a kinetic study of the reaction...Ch. 13 - Chlorine dioxide, ClO2, is a reddish-yellow gas...Ch. 13 - Iodide ion is oxidized to hypoiodite ion, IO, by...Ch. 13 - Sulfuryl chloride, SO2Cl2, decomposes when heated....Ch. 13 - Cyclopropane, C3H6, is converted to its isomer...Ch. 13 - A reaction of the form aA Products is second-order...Ch. 13 - A reaction of the form aA Products is second order...Ch. 13 - Ethyl chloride, CH3CH2Cl, used to produce...Ch. 13 - Cyclobutane, C4H8, consisting of molecules in...Ch. 13 - Methyl isocyanide, CH3NC, isomerizes, when heated,...Ch. 13 - Dinitrogen pentoxide, N2O5, decomposes when heated...Ch. 13 - In the presence of excess thiocyanate ion, SCN,...Ch. 13 - In the presence of excess thiocyanate ion, SCN,...Ch. 13 - A reaction of the form aA Products is second order...Ch. 13 - A reaction of the form aA Products is second order...Ch. 13 - In the presence of excess thiocyanate ion, SCN,...Ch. 13 - In the presence of excess thiocyanate ion, SCN,...Ch. 13 - It is found that a gas undergoes a zero-order...Ch. 13 - The reaction AB+C is found to be zero order. If it...Ch. 13 - Chlorine dioxide oxidizes iodide ion in aqueous...Ch. 13 - Methyl acetate, CH3COOCH3, reacts in basic...Ch. 13 - Sketch a potential-energy diagram for the reaction...Ch. 13 - Sketch a potential-energy diagram for the...Ch. 13 - In a series of experiments on the decomposition of...Ch. 13 - The reaction 2NOCl(g)2NO(g)+Cl2(g) has...Ch. 13 - The rate of a particular reaction increases by a...Ch. 13 - The rate of a particular reaction quadruples when...Ch. 13 - The following values of the rate constant were...Ch. 13 - The following values of the rate constant were...Ch. 13 - Nitrogen monoxide, NO, is believed to react with...Ch. 13 - The decomposition of ozone is believed to occur in...Ch. 13 - Identify the molecularity of each of the following...Ch. 13 - What is the molecularity of each of the following...Ch. 13 - Write a rate equation, showing the dependence of...Ch. 13 - Write a rate equation, showing the dependence of...Ch. 13 - The isomerization of cyclopropane, C3H6, is...Ch. 13 - The thermal decomposition of nitryl chloride,...Ch. 13 - The reaction H2(g)+I2(g)2HI(g) may occur by the...Ch. 13 - Ozone decomposes to oxygen gas. 2O3(g)3O2(g) A...Ch. 13 - The following is a possible mechanism for a...Ch. 13 - Consider the following mechanism for a reaction in...Ch. 13 - A study of the decomposition of azomethane,...Ch. 13 - Nitrogen dioxide decomposes when heated....Ch. 13 - You can write the rate law for the decomposition...Ch. 13 - Use the technique described in Problem 13.97 to...Ch. 13 - Methyl acetate reacts in acidic solution....Ch. 13 - Benzene diazonium chloride, C6H5NNCl, decomposes...Ch. 13 - What is the half-life of methyl acetate hydrolysis...Ch. 13 - What is the half-life of benzene diazonium...Ch. 13 - A compound decomposes by a first-order reaction....Ch. 13 - A compound decomposes by a first-order reaction....Ch. 13 - Butadiene can undergo the following reaction to...Ch. 13 - A plot of I/[A] versus time for the hypothetical...Ch. 13 - At 330C, the rate constant for the decomposition...Ch. 13 - A second-order decomposition reaction run at 550oC...Ch. 13 - Plot the data given is Problem 13.95 to verify...Ch. 13 - The decomposition of aqueous hydrogen peroxide in...Ch. 13 - In the presence of a tungsten catalyst at high...Ch. 13 - The reaction 2BC+2D is found to be zero-order when...Ch. 13 - The decomposition of nitrogen dioxide,...Ch. 13 - A second-order reaction has a rate constant of 8.7...Ch. 13 - At high temperature, the reaction...Ch. 13 - Methyl chloride, CH3Cl, reacts in basic solution...Ch. 13 - Nitryl bromide, NO2Br, decomposes into nitrogen...Ch. 13 - Tertiary butyl chloride reacts in basic solution...Ch. 13 - Urea, (NH2)2CO, can be prepared by heating...Ch. 13 - Acetone reacts with iodine in acidic aqueous...Ch. 13 - A study of the gas-phase oxidation of nitrogen...Ch. 13 - The reaction of water with CH3Cl in acetone as a...Ch. 13 - The reaction of thioacelamidc with water is shown...Ch. 13 - The reaction of methylacetate with water is shown...Ch. 13 - Draw a potential-energy diagram for an uncatalyzed...Ch. 13 - Draw and label the potential-energy curve for the...Ch. 13 - What is meant by the term rate of a chemical...Ch. 13 - Briefly discuss the factors that affect the rates...Ch. 13 - Describe in general terms how chemists can follow...Ch. 13 - Describe the potential-energy curve for the...Ch. 13 - The rate constant for a certain reaction is 1.4 ...Ch. 13 - The decomposition of hydrogen peroxide is a first...Ch. 13 - A reaction of the form aA Products is second...Ch. 13 - What is the rate law for the following gas-phase...Ch. 13 - A possible mechanism for a gas-phase reaction is...Ch. 13 - Say you run the following elementary, termolecular...Ch. 13 - The hypothetical reaction A+2B Products has the...Ch. 13 - For the decomposition of one mole of nitrosyl...Ch. 13 - Given the following mechanism for a chemical...Ch. 13 - The following data were collected for the reaction...Ch. 13 - A hypothetical reaction has the two-step mechanism...Ch. 13 - The rate law for reaction O3(g)+NO(g)O2(g)+NO2(g)...Ch. 13 - A series of kinetics experiments are conducted on...Ch. 13 - For many reactions, the reaction rate...Ch. 13 - Dinitrogen pentoxide decomposes according to the...Ch. 13 - A substance is found to have a reaction with the...Ch. 13 - Dinitrogen pentoxide, N2O5, undergoes first-order...Ch. 13 - Hydrogen peroxide undergoes a first-order...Ch. 13 - Hydrogen peroxide in aqueous solution decomposes...Ch. 13 - Nitrogen dioxide reacts with carbon monoxide by...Ch. 13 - Nitrogen monoxide reacts with oxygen to give...Ch. 13 - Nitrogen monoxide reacts with hydrogen as follows:...

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