1 Introduction To Chemistry 2 Atoms And Molecules 3 Molecules, Moles, And Chemical Equations 4 Stoichiometry 5 Gases 6 The Periodic Table And Atomic Structure 7 Chemical Bonding And Molecular Structure 8 Molecules And Materials 9 Energy And Chemistry 10 Entropy And The Second Law Of Thermodynamics 11 Chemical Kinetics 12 Chemical Equilibrium 13 Electrochemistry 14 Nuclear Chemistry Chapter11: Chemical Kinetics
Chapter Questions Section: Chapter Questions
Problem 1CO Problem 2CO: . define the rate of a chemical reaction and express the rate in terms of the concentrations of... Problem 3CO Problem 4CO Problem 5CO: . explain the difference between elementary reactions and multistep reactions. Problem 6CO: . find the rate law predicted for a particular reaction mechanism. Problem 7CO: . use a molecular perspective to explain the significance of the terms in the Arrhenius equation. Problem 8CO Problem 9CO: . explain the role of a catalyst in the design of practical chemical reactions. Problem 11.1PAE Problem 11.2PAE: List two types of chemical compounds that must be present in the air for photochemical smog to form.... Problem 11.3PAE Problem 11.4PAE Problem 11.5PAE Problem 11.6PAE Problem 11.7PAE: Asphalt is composed of a mixture of organic chemicals. Does an asphalt parking lot contribute... Problem 11.8PAE Problem 11.9PAE Problem 11.10PAE: For each of the following, suggest appropriate rate units Driving from one place to another Drying... Problem 11.11PAE Problem 11.12PAE: Rank the following in order of increasing reaction rate. (a) Dynamite exploding (b) Iron rusting (c)... Problem 11.13PAE Problem 11.14PAE: Candle wax is a mixture of hydrocarbons. In the reaction of oxygen with candle w ax in Figure 11.2,... Problem 11.15PAE Problem 11.16PAE: The reaction for the Haber process, the industrial production of ammonia, is N2(g)+3H2(g)2NH3(g)... Problem 11.17PAE: 11.17 Ammonia can react with oxygen to produce nitric oxide and water: 4NH3(g)+5O2(g)4NO(g)+6H2O(g)... Problem 11.18PAE: The following data were obtained in the decomposition of H2O2(aq) to O2(g) and H2OThe rate at which... Problem 11.19PAE Problem 11.20PAE: Experimental data are listed here for the reaction B: Time (s) IB] (mol/L) 0.00 0.000 10.0 0.326... Problem 11.21PAE: Azomethane, CH3NNCH3, is not a stable compound, and once generated, it decomposes. The rate of... Problem 11.22PAE Problem 11.23PAE: A reaction has the experimental rate equation Rate = k[A]2. How will the rate change if the... Problem 11.24PAE: Second-order rate constants used in modeling atmospheric chemistry are commonly reported in units of... Problem 11.25PAE: For each of the rate laws below, what is the order of the reaction with respect to the hypothetical... Problem 11.26PAE: 11.26 The reaction of C(Xg) with NO2(g) is second order in NO2and zero order in CO at temperatures... Problem 11.27PAE Problem 11.28PAE Problem 11.29PAE: The hypothetical reaction, A + B —*C, has the rate law Rate = When [A] is doubled and [B] is held... Problem 11.30PAE: The rate of the decomposition of hydrogen peroxide, H2O2, depends on the concentration of iodide ion... Problem 11.31PAE Problem 11.32PAE: 11.32 The following experimental data were obtained for the reaction 2A + 3 B—C + 2D [A](mol L 1)... Problem 11.33PAE: The following experimental data were obtained for the reaction of \'I14* and NOf in acidic solution.... Problem 11.34PAE: 11.34 Rate data were obtained at 25°C for the following reaction. What is the rate law expression... Problem 11.35PAE: 11.35 For the reaction 2 NO(g) + 2 H?(g) — N,(g) + 2 H,O(g) at 1100°C, the following data have been... Problem 11.36PAE: The reaction NO(g) + O,(g) — NO,(g) + 0(g) plays a role in the formation of nitrogen dioxide in... Problem 11.37PAE Problem 11.38PAE Problem 11.39PAE: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction: 2N2O5 —... Problem 11.40PAE: In Exercise 11.39, if the initial concentration of N2Oj is 0.100 .\1. how long will it take for the... Problem 11.41PAE: 11.41 For a drug to be effective in treating an illness, its levels in the bloodstream must be... Problem 11.42PAE: Amoxicillin is an antibiotic packaged as a powder. When it is used to treat babies and small... Problem 11.43PAE: As with any drug, aspirin (acetylsalicylic acid) must remain in the bloodstream long enough to be... Problem 11.44PAE: 11.44 A possible reaction for the degradation of the pesticide DDT to a less harmful compound was... Problem 11.45PAE: The initial concentration of the reactant in a tirst-order reaction A —» products is 0.64 rnol/L and... Problem 11.46PAE: A substance undergoes first-order decomposition. After 40.0 min at 500°C, only 12.5% of the original... Problem 11.47PAE Problem 11.48PAE: 11.48 The following data were collected for the decomposition of NT),-: Time, f (min) [N2Os] (mol... Problem 11.49PAE: The rate of photodecomposition of the herbicide piclo- ram in aqueous systems was determined by... Problem 11.50PAE Problem 11.51PAE: 11.51 Peroxyacetyl nitrate (PAN) has the chemical formula CtHjNOj and is an important lung irritant... Problem 11.52PAE: Hydrogen peroxide (H20i) decomposes into water and oxygen: H,O2(aq) — H,O(f) + ^O2(g) Ordinarily... Problem 11.53PAE: 11.53 The reaction in which CO, decomposes to CO and a free radical oxygen atom, O, has an... Problem 11.54PAE: use the kineticmolecular theory to explain why an increase in temperature increases reaction rate. Problem 11.55PAE: The following rate constants were obtained in an experiment in which the decomposition of gaseous... Problem 11.56PAE: The table below presents measured rate constants for the reaction of NO with ozone at three... Problem 11.57PAE Problem 11.58PAE Problem 11.59PAE: Can a reaction mechanism ever be proven correct? Can it be proven incorrect? Problem 11.60PAE Problem 11.61PAE: Describe how the Chapman cycle is a reaction mechanism. What is the molecularity of each reaction in... Problem 11.62PAE Problem 11.63PAE: The following mechanism is proposed for a reaction: NO + Br2 —* NOBr2 (slow) NOBr2 + NO —»2 NOBr... Problem 11.64PAE: 11.64 HBr is oxidized in the following reaction: 4 HBr(g) + O2(g) —• 2 H2O(g) + 2 Br,(g) A proposed... Problem 11.65PAE Problem 11.66PAE Problem 11.67PAE: What distinguishes homogeneous and heterogeneous catalysis? Problem 11.68PAE Problem 11.69PAE: In Chapter 3, we discussed the conversion of biomass into biofuels. One important area of research... Problem 11.70PAE: The label on a bottle of 3% (by volume) hydrogen peroxide, H2O2, purchased at a grocery store,... Problem 11.71PAE Problem 11.72PAE Problem 11.73PAE Problem 11.74PAE: 11.74 The AQI includes six levels, including several that describe air that is not healthy to... Problem 11.75PAE Problem 11.76PAE Problem 11.77PAE Problem 11.78PAE Problem 11.79PAE Problem 11.80PAE Problem 11.81PAE Problem 11.82PAE Problem 11.83PAE: Bacteria cause milk to go sour by generating lactic acid. Devise an experiment that could measure... Problem 11.84PAE Problem 11.85PAE Problem 11.86PAE Problem 11.87PAE Problem 11.88PAE Problem 11.89PAE Problem 11.90PAE: 11.90 Draw a hypothetical activation energy diagram for an uncatalyzed reaction. On the same set of... Problem 11.91PAE Problem 11.92PAE Problem 11.93PAE: 11.93 On a particular day, the ozone level in Milwaukee exceeded the EPAs 1-hour standard of 0.12... Problem 11.94PAE Problem 11.95PAE: The following is a thought experiment. Imagine that you put a little water in a test tube and add... Problem 11.96PAE: The following statements relate to the reaction for the formation of HI: H2(g) + I2(g) -* 2 HI(g)... Problem 11.97PAE Problem 11.98PAE: Experiments show that the reaction of nitrogen dioxide with fluorine, 2 NO2(g) + F2(g) —* 2 FNO2(g)... Problem 11.99PAE: Substances that poison a catalyst pose a major concern for many engineering designs, including those... Problem 11.100PAE Problem 11.101PAE Problem 11.102PAE: 11.102 Suppose that you are studying a reaction and need to determine its rate law. Explain what you... Problem 11.103PAE Problem 11.104PAE Problem 11.105PAE Problem 11.106PAE Problem 11.107PAE: 11.1047 Fluorine often reacts explosively. What does this fact suggest about fluorine reactions at... Problem 11.108PAE Problem 11.109PAE Problem 11.110PAE: When formic acid is heated, it decomposes to hydrogen and carbon dioxide in a first-order decay:... Problem 11.36PAE: The reaction NO(g) + O,(g) — NO,(g) + 0(g) plays a role in the formation of nitrogen dioxide in...
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At a certain temperature the rate of this reaction is first order in N₂O5 with a rate constant of 0.0125 s¯¹: 2N₂O5 (g) → 2N₂O4 (8) + 0₂ (8) Suppose a vessel contains N₂O5 at a concentration of 1.14M. Calculate the concentration of N₂O5 in the vessel 88.0 seconds later. You may assume no of reaction is important. Round your answer to 2 significant digits.
Definition Definition Study of the speed of chemical reactions and other factors that affect the rate of reaction. It also extends toward the mechanism involved in the reaction.
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