Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 11, Problem 71QAP
For a certain reaction, Ea is 135 kJ and
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Chapter 11 Solutions
Chemistry: Principles and Reactions
Ch. 11 - Express the rate of the reaction...Ch. 11 - Express the rate of the reaction...Ch. 11 - Consider the following hypothetical reaction: X( g...Ch. 11 - Consider the following hypothetical reaction:...Ch. 11 - Consider the combustion of ethane:...Ch. 11 - For the reaction 5Br(aq)+BrO3(aq)+6...Ch. 11 - Nitrosyl chloride (NOCI) decomposes to nitrogen...Ch. 11 - Ammonia is produced by the reaction between...Ch. 11 - Experimental data are listed for the following...Ch. 11 - Experimental data are listed for the hypothetical...
Ch. 11 - A reaction has two reactants X and Y. What is the...Ch. 11 - A reaction has two reactants Q and P. What is the...Ch. 11 - What will the units of the rate constants in...Ch. 11 - What will the units of the rate constants in...Ch. 11 - Consider the reaction ZproductsThe data below give...Ch. 11 - Consider the reaction YproductsThe graph below...Ch. 11 - Complete the following table for the reaction...Ch. 11 - Complete the following table for the reaction...Ch. 11 - The decomposition of nitrogen dioxide is a...Ch. 11 - The decomposition of ammonia on tungsten at 1100C...Ch. 11 - The reaction ICl(g)+12 H2(g)12 I2(g)+HCl(g)is...Ch. 11 - The hypothetical reaction X(g)+12Y(g)productsis...Ch. 11 - For a reaction involving the decomposition of Z at...Ch. 11 - For a reaction involving the decomposition of Y,...Ch. 11 - When boron trifluoride reacts with ammonia, the...Ch. 11 - When nitrogen dioxide reacts with carbon monoxide,...Ch. 11 - Hydrogen bromide is a highly reactive and...Ch. 11 - Diethylhydrazine reacts with iodine according to...Ch. 11 - The equation for the reaction between iodide and...Ch. 11 - Prob. 30QAPCh. 11 - In a solution at a constant H+ concentration,...Ch. 11 - Consider the reaction Â...Ch. 11 - Nitrosyl bromide decomposes to nitrogen oxide and...Ch. 11 - Prob. 34QAPCh. 11 - Azomethane decomposes into nitrogen and ethane at...Ch. 11 - The decomposition of sulfuryl chloride, SO2Cl2, to...Ch. 11 - The first-order rate constant for the...Ch. 11 - Consider the first-order decomposition of phosgene...Ch. 11 - The decomposition of azomethane, (CH3)2N2, to...Ch. 11 - The first-order rate constant for the...Ch. 11 - In the first-order decomposition of acetone at...Ch. 11 - The decomposition of sulfuryl chlorideSO2Cl2fur...Ch. 11 - Dinitrogen pentoxide gas decomposes to form...Ch. 11 - Sucrose (C12H22O11) hydrolyzes into glucose and...Ch. 11 - Iodine-131 is used to treat tumors in the thyroid....Ch. 11 - Cesium-131 is the latest tool of nuclear medicine....Ch. 11 - Prob. 47QAPCh. 11 - A sample of sodium-24 chloride contains 0.050 mg...Ch. 11 - The decomposition of A at 850C is a zero-order...Ch. 11 - The decomposition of R at 33C is a zero-order...Ch. 11 - For the zero-order decomposition of HI on a gold...Ch. 11 - For the zero-order decomposition of ammonia on...Ch. 11 - Ammonium cyanate, NH4NCO, in water rearranges to...Ch. 11 - Butadiene, C4H6, dimerizes according to the...Ch. 11 - The rate constant for the second-order reaction...Ch. 11 - The decomposition of nitrosyl chloride...Ch. 11 - An increase in temperature from 23C to 36C...Ch. 11 - If the activation energy of a reaction is 9.13 kJ,...Ch. 11 - The following data are obtained for the gas-phase...Ch. 11 - The following data are obtained for the...Ch. 11 - Consider the following hypothetical reaction:...Ch. 11 - For the reaction: Q+RY+ZH=128kJ Draw a...Ch. 11 - The uncoiling of deoxyribonucleic acid (DNA) is a...Ch. 11 - The precipitation of egg albumin in water at 100C...Ch. 11 - Prob. 65QAPCh. 11 - Prob. 66QAPCh. 11 - For the reaction 2N2O(g)2N2(g)+O2(g) the rate...Ch. 11 - For the decomposition of a peroxide, the...Ch. 11 - Consider a 5.000 M solution of the hypothetical...Ch. 11 - The decomposition of N2O5 to NO2 and NO3 is a...Ch. 11 - For a certain reaction, Ea is 135 kJ and H=45 kJ....Ch. 11 - Consider a reaction in which E a=129 kJ and H=29...Ch. 11 - A catalyst lowers the activation energy of a...Ch. 11 - A reaction has an activation energy of 363 kJ at...Ch. 11 - Write the rate expression for each of the...Ch. 11 - Write the rate expression for each of the...Ch. 11 - For the reaction between hydrogen and iodine,...Ch. 11 - For the reaction 2H2(g)+2NO(g)N2(g)+2H2O(g) the...Ch. 11 - At low temperatures, the rate law for the reaction...Ch. 11 - Two mechanisms are proposed for the reaction...Ch. 11 - The hypothetical reaction QR+Xproductswas...Ch. 11 - When a base is added to an aqueous solution of...Ch. 11 - The decomposition of sulfuryl chloride, SO2Cl2, to...Ch. 11 - How much faster would a reaction proceed at 46C...Ch. 11 - Prob. 85QAPCh. 11 - Prob. 86QAPCh. 11 - A drug decomposes in the blood by a first-order...Ch. 11 - Prob. 88QAPCh. 11 - Prob. 89QAPCh. 11 - Prob. 90QAPCh. 11 - Consider the decomposition of A represented by...Ch. 11 - Consider the decomposition reaction 2X2Y+ZThe...Ch. 11 - Consider the following activation energy diagram....Ch. 11 - Three first-order reactions have the following...Ch. 11 - Consider the first-order decomposition reaction...Ch. 11 - Consider the following energy diagram (not to...Ch. 11 - Prob. 97QAPCh. 11 - Prob. 98QAPCh. 11 - The gas-phase reaction between hydrogen and iodine...Ch. 11 - Consider the coagulation of a protein at 100C. The...Ch. 11 - Prob. 101QAPCh. 11 - Prob. 102QAPCh. 11 - Prob. 103QAPCh. 11 - In a first-order reaction, suppose that a quantity...Ch. 11 - Consider the hypothetical first-order reaction...
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- Substances that poison a catalyst pose a major concern for many engineering designs, including those for catalytic converters. One design option is to add materials that react with potential poisons before they reach the catalyst. Among the commonly encountered catalyst poisons are silicon and phosphorus, which typically form phosphate or silicate ions in the oxidizing environment of an engine. Group 2 elements are added to the catalyst to react with these contaminants before they reach the working portion of the catalytic converter. If estimates show that a catalytic converter will be exposed to 625 g of silicon during its lifetime, what mass of beryllium would need to be included in the design?arrow_forward. Account for the increase in reaction rate brought about by a catalyst.arrow_forwardIn Chapter 3, we discussed the conversion of biomass into biofuels. One important area of research associated with biofuels is the identification and development of suitable catalysts to increase the rate at which fuels can be produced. Do a web search to find an article describing biofuel catalysts. Then, write one or two sentences describing the reactions being catalyzed, and identify the catalyst as homogeneous or heterogeneous.arrow_forward
- Which reaction mechanism assumptions are unimportant in describing simple ionic reactions between cations and anions? Why?arrow_forwardConsider a reaction in which E a=129 kJ and H=29 kJ. In the presence of a catalyst, the activation energy is 48% of the uncatalyzed reaction. Follow the directions in Question 71 in drawing an energy diagram.arrow_forwardAccount for the relationship between the rate of a reaction and its activation energy.arrow_forward
- (Section 11-5) A rule of thumb is that for a typical reaction, if concentrations are unchanged, a 10-K rise in temperature increases the reaction rate by two to four times. Use an average increase of three times to answer the questions below. (a) What is the approximate activation energy of a typical chemical reaction at 298 K? (b) If a catalyst increases a chemical reactions rate by providing a mechanism that has a lower activation energy, then what change do you expect a 10-K increase in temperature to make in the rate of a reaction whose uncatalyzed activation energy of 75 kJ/mol has been lowered to one half this value (at 298 K) by addition of a catalyst?arrow_forwardFor the following reaction profile, indicate a. the positions of reactants and products. b. the activation energy. c. E for the reaction.arrow_forwardThe activation energy for the reaction NO2(g)+CO(g)NO(g)+CO2(g) is 125 kJ/mol, and E for the reaction is 216 kJ/mol. What is the activation energy for the reverse reaction [NO(g) + CO2(g) + NO2(g) + CO(g)]?arrow_forward
- The following statements relate to the reaction for the formation of HI: H2(g) + I2(g) -* 2 HI(g) Rate = it[HJ [I2J Determine which of the following statements are true. If a statement is false, indicate why it is incorrect. The reaction must occur in a single step. This is a second-order reaction overall. Raising the temperature will cause the value of k to decrease. Raising the temperature lowers the activation energy' for this reaction. If the concentrations of both reactants are doubled, the rate will double. Adding a catalyst in the reaction will cause the initial rate to increase.arrow_forwardBy which of the following mechanisms does a catalyst operate? a. It decreases the activation energy barrier for a reaction. b. It serves as a reactant and is consumed. c. It increases the temperature of a reaction. d. It increases the concentration of reactants.arrow_forwardIf a textbook defined a catalyst as "a substance that increases the rate of a reaction," would that definition be adequate?arrow_forward
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