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OWLv2 for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 1 term (6 months)
8th Edition
ISBN: 9781305079311
Author: William L. Masterton; Cecile N. Hurley
Publisher: Cengage Learning US
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Textbook Question
Chapter 11, Problem 10QAP
Experimental data are listed for the hypothetical reaction
(a) Plot these data as in Figure 11.3.
(b) Draw a tangent to the curve to find the instantaneous rate at 40 s.
(c) Find the average rate over the 10 to 50 s interval.
(d) Compare the instantaneous rate at 40 s with the average rate over the 40-s interval.
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Experiment:
Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below.
Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization.
Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C
Sample C-Cool the third sample in an ice-bath to 0-2 °C
Results:
weight after recrystalization and melting point temp.
A=0.624g,102-115°
B=0.765g, 80-105°
C=1.135g, 77-108
What is the percent yield of A,B, and C.
Chapter 11 Solutions
OWLv2 for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 1 term (6 months)
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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