1 Matter And Measurements 2 Atoms, Molecules, And Ions 3 Mass Relations In Chemistry; Stoichiometry 4 Reactions In Aqueous Solution 5 Gases 6 Electronic Structure And The Periodic Table 7 Covalent Bonding 8 Thermochemistry 9 Liquids And Solids 10 Solutions 11 Rate Of Reaction 12 Gaseous Chemical Equilibrium 13 Acids And Bases 14 Equilibria In Acid-base Solutions 15 Complex Ion And Precipitation Equilibria 16 Spontaneity Of Reaction 17 Electrochemistry 18 Nuclear Reactions 19 Complex Ions 20 Chemistry Of The Metals 21 Chemistry Of The Nonmetals 22 Organic Chemistry 23 Organic Polymers, Natural And Synthetic expand_more
Chapter Questions expand_more
Problem 1QAP: Express the rate of the reaction 2N2H4(l)+N2O4(l)3N2(g)+4H2O(g) in terms of (b) [ N2O4 ] (a) [ N2 ] Problem 2QAP: Express the rate of the reaction 2N2O(g)2N2(g)+O2(g) in terms of (b) [ N2O ] (a) [ O2 ] Problem 3QAP: Consider the following hypothetical reaction: X( g )Y( g ) A 200.0-mL flask is filled with 0.120... Problem 4QAP: Consider the following hypothetical reaction: 2AB2(g)A2(g)+2B2(g)A 500.0-mL flask is filled with... Problem 5QAP: Consider the combustion of ethane: 2C2H6(g)+7O2(g)4CO2(g)+6H2O(g)If the ethane is burning at the... Problem 6QAP: For the reaction 5Br(aq)+BrO3(aq)+6 H+(aq)3Br2(aq)+3H2O It was found that at a particular instant,... Problem 7QAP: Nitrosyl chloride (NOCI) decomposes to nitrogen oxide and chlorine gases. (a) Write a balanced... Problem 8QAP: Ammonia is produced by the reaction between nitrogen and hydrogen gases. (a) Write a balanced... Problem 9QAP: Experimental data are listed for the following hypothetical reaction: A+Bproducts (a) Plot these... Problem 10QAP: Experimental data are listed for the hypothetical reaction A+BZ (a) Plot these data as in Figure... Problem 11QAP: A reaction has two reactants X and Y. What is the order with respect to each reactant and the... Problem 12QAP: A reaction has two reactants Q and P. What is the order with respect to each reactant and the... Problem 13QAP: What will the units of the rate constants in Question 11 be if the rate is expressed in mol/L min? Problem 14QAP: What will the units of the rate constants in Question 12 be if the rate is expressed in mol/L min? Problem 15QAP: Consider the reaction ZproductsThe data below give the rate of the reaction and the concentration of... Problem 16QAP: Consider the reaction YproductsThe graph below plots the rate of the reaction versus the... Problem 17QAP: Complete the following table for the reaction 2R(g)+3S(g)productsthat is first-order in R and... Problem 18QAP: Complete the following table for the reaction below. It is first-order in both X and Y.... Problem 19QAP: The decomposition of nitrogen dioxide is a second-order reaction. At 550 K, a 0.250 M sample... Problem 20QAP: The decomposition of ammonia on tungsten at 1100C is zero-order with a rate constant of... Problem 21QAP: The reaction ICl(g)+12 H2(g)12 I2(g)+HCl(g)is first-order in both reactants. At a certain... Problem 22QAP: The hypothetical reaction X(g)+12Y(g)productsis first-order in X and second-order in Y. The rate of... Problem 23QAP: For a reaction involving the decomposition of Z at a certain temperature, the following data are... Problem 24QAP: For a reaction involving the decomposition of Y, the following data are obtained: (a) Determine the... Problem 25QAP: When boron trifluoride reacts with ammonia, the following reaction occurs: BF3(g)+NH3(g)BF3NH3(g)The... Problem 26QAP: When nitrogen dioxide reacts with carbon monoxide, the following reaction occurs. Â... Problem 27QAP: Hydrogen bromide is a highly reactive and corrosive gas used mainly as a catalyst for organic... Problem 28QAP: Diethylhydrazine reacts with iodine according to the following equation: Â... Problem 29QAP: The equation for the reaction between iodide and bromate ions in acidic solution is  6... Problem 30QAP Problem 31QAP: In a solution at a constant H+ concentration, iodide ions react with hydrogen peroxide to produce... Problem 32QAP: Consider the reaction  CH3CO2CH3(aq)+OH(aq)CH3CO2(aq)+CH3OH(aq)The following data are obtained at a... Problem 33QAP: Nitrosyl bromide decomposes to nitrogen oxide and bromine. Use the following data to determine the... Problem 34QAP Problem 35QAP: Azomethane decomposes into nitrogen and ethane at high temperatures according to the following... Problem 36QAP: The decomposition of sulfuryl chloride, SO2Cl2, to sulfur dioxide and chlorine gases is a... Problem 37QAP: The first-order rate constant for the decomposition of a certain hormone in water at 25C is... Problem 38QAP: Consider the first-order decomposition of phosgene at a certain temperature. COCl2(g)productsIt is... Problem 39QAP: The decomposition of azomethane, (CH3)2N2, to nitrogen and ethane gases is a first-order reaction,... Problem 40QAP: The first-order rate constant for the decomposition of a certain drug at 25C is 0.215 month-1. (a)... Problem 41QAP: In the first-order decomposition of acetone at 500C CH3COCH3(g)productsIt is found that it takes... Problem 42QAP: The decomposition of sulfuryl chlorideSO2Cl2fur dioxide and chlorine gases is a first-order... Problem 43QAP: Dinitrogen pentoxide gas decomposes to form nitrogen dioxide and oxygen. The reaction is first-order... Problem 44QAP: Sucrose (C12H22O11) hydrolyzes into glucose and fructose. The hydrolysis is a first-order reaction.... Problem 45QAP: Iodine-131 is used to treat tumors in the thyroid. Its decomposition is first-order with a half-life... Problem 46QAP: Cesium-131 is the latest tool of nuclear medicine. It is used to treat malignant tumors by... Problem 47QAP Problem 48QAP: A sample of sodium-24 chloride contains 0.050 mg of Na-24 to study the sodium balance of an animal.... Problem 49QAP: The decomposition of A at 850C is a zero-order reaction. It takes 35 minutes to decompose 37% of an... Problem 50QAP: The decomposition of R at 33C is a zero-order reaction. It takes 128 minutes to decompose 41.0% of... Problem 51QAP: For the zero-order decomposition of HI on a gold surface HI(g) Au 12 H2(g)+12 I2(g)it takes 16.0 s... Problem 52QAP: For the zero-order decomposition of ammonia on tungsten NH3(g) W 12 N2(g)+32 H2(g)the rate constant... Problem 53QAP: Ammonium cyanate, NH4NCO, in water rearranges to produce urea, a common fertilizer, (NH2)2CO:... Problem 54QAP: Butadiene, C4H6, dimerizes according to the following reaction: C4H6(g)C8H12(g)The dimerization is a... Problem 55QAP: The rate constant for the second-order reaction NOBr(g)NO(g)+12 Br2(g)is 48 L/mol min at a certain... Problem 56QAP: The decomposition of nitrosyl chloride NOCl(g)NO(g)+12 Cl2(g)is a second-order reaction. If it takes... Problem 57QAP: An increase in temperature from 23C to 36C increases the rate constant of a certain reaction by... Problem 58QAP: If the activation energy of a reaction is 9.13 kJ, then what is the percent increase in the rate... Problem 59QAP: The following data are obtained for the gas-phase decomposition of acetaldehyde: Plot these data (In... Problem 60QAP: The following data are obtained for the reactionSiH4(g)Si(s)+2H2(g) Plot these data (In k versus... Problem 61QAP: Consider the following hypothetical reaction: X+YProductsH=75kJ Draw a reaction-energy diagram for... Problem 62QAP: For the reaction: Q+RY+ZH=128kJ Draw a reaction-energy diagram for the reaction if the activation... Problem 63QAP: The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420... Problem 64QAP: The precipitation of egg albumin in water at 100C has an activation energy of 52.0 kJ/mol. By what... Problem 65QAP Problem 66QAP Problem 67QAP: For the reaction 2N2O(g)2N2(g)+O2(g) the rate constant is 0.066 L/mol min at 565C and 22.8 L/mol min... Problem 68QAP: For the decomposition of a peroxide, the activation energy is 17.4 kJ/mol. The rate constant at 25C... Problem 69QAP: Consider a 5.000 M solution of the hypothetical com- pound R. Its decomposition is a second-order... Problem 70QAP: The decomposition of N2O5 to NO2 and NO3 is a first-order gas-phase reaction. At 250C, the reaction... Problem 71QAP: For a certain reaction, Ea is 135 kJ and H=45 kJ. In the presence of a catalyst, the activation... Problem 72QAP: Consider a reaction in which E a=129 kJ and H=29 kJ. In the presence of a catalyst, the activation... Problem 73QAP: A catalyst lowers the activation energy of a reaction from 215 kJ to 206 kJ. By what factor would... Problem 74QAP: A reaction has an activation energy of 363 kJ at 25C. If the rate constant has to increase ten-fold,... Problem 75QAP: Write the rate expression for each of the following elementary steps: (a) NO3+CONO2+CO2(b) I22I(c)... Problem 76QAP: Write the rate expression for each of the following elementary steps: (a) Cl22Cl(b) N2O2+O22NO2(c) I... Problem 77QAP: For the reaction between hydrogen and iodine, H2(g)+I22HI(g) the experimental rate expression is... Problem 78QAP: For the reaction 2H2(g)+2NO(g)N2(g)+2H2O(g) the experimental rate expression is rate rate=k[ NO ]2[... Problem 79QAP: At low temperatures, the rate law for the reaction CO(g)+NO2(g)CO2(g)+NO(g)is as follows:... Problem 80QAP: Two mechanisms are proposed for the reaction 2NO(g)+O2(g)2NO2(g)Mechanism 1: NO+O2NO3(fast)... Problem 81QAP: The hypothetical reaction QR+Xproductswas monitored at 27C as a function of time. The following... Problem 82QAP: When a base is added to an aqueous solution of chlorine dioxide gas, the following reaction occurs:... Problem 83QAP: The decomposition of sulfuryl chloride, SO2Cl2, to sulfur dioxide and chlorine gases is a... Problem 84QAP: How much faster would a reaction proceed at 46C than at 28C if the activation energy of the reaction... Problem 85QAP Problem 86QAP Problem 87QAP: A drug decomposes in the blood by a first-order process. A pill containing 0.500 g of the active... Problem 88QAP Problem 89QAP Problem 90QAP Problem 91QAP: Consider the decomposition of A represented by circles, where each circle represents a molecule of... Problem 92QAP: Consider the decomposition reaction 2X2Y+ZThe following graph shows the change in concentration with... Problem 93QAP: Consider the following activation energy diagram. Which of the following statements about the... Problem 94QAP: Three first-order reactions have the following activation energies: (a) Which reaction is the... Problem 95QAP: Consider the first-order decomposition reaction A+BCwhere A (circles) decomposes to B (triangles)... Problem 96QAP: Consider the following energy diagram (not to scale) for the reaction. 2CH3(g)C2H6(g) (a) What is... Problem 97QAP Problem 98QAP Problem 99QAP: The gas-phase reaction between hydrogen and iodine H2(g)+I22HI(g)proceeds with a rate constant for... Problem 100QAP: Consider the coagulation of a protein at 100C. The first-order reaction has an activation energy of... Problem 101QAP Problem 102QAP Problem 103QAP Problem 104QAP: In a first-order reaction, suppose that a quantity X of a reactant is added at regular intervals of... Problem 105QAP: Consider the hypothetical first-order reaction 2A(g)X(g)+12Y(g)At a certain temperature, the... format_list_bulleted
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