Selected Solutions Manual For General Chemistry: Principles And Modern Applications

11th Edition

ISBN: 9780133387902

Author: Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette

Publisher: PEARSON

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Textbook Question

Chapter 7, Problem 125FP

We can use the heat liberated by a neutralization reaction as a means of establishing the stoichiometry of the reaction. The data in the tableare for the reaction of 1.00 M NaOH with 1.00 M citric acid, C 5 H 5 O T , in a total solution volume of 60.0 mL.
Chapter 7, Problem 125FP, We can use the heat liberated by a neutralization reaction as a means of establishing the

a. Plot Δ T versus mL 1.00 M NaOH, and identify the exact stoichiometric proportions of NaOH and citric acid at the equivalence point ofthe neutralization reaction.
b. Why is the temperature change in the neutralization greatest when the reactants are in their exact stoichiometric proportions? That is, why not use an excess of one of the reactants to ensure that the neutralization has gone to completion to achieve the maximum temperature increase?
c- Rewrite the formula of citric acid to reflect more precisely its acidic properties. Then write a balanced net ionic equation for the neutralization reaction.

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Chapter 7, Problem 124FP

Chapter 7, Problem 126FP

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Chapter 7 Solutions

Selected Solutions Manual For General Chemistry: Principles And Modern Applications

Ch. 7 - Calculate the quantity of heat, in kilojoules, (a)...Ch. 7 - Calculate the final temperature that results when...Ch. 7 - Refer to Example 7-2. The experiment is repeated...Ch. 7 - A 75.0 g piece of Ag metal is heated to 80.0C and...Ch. 7 - A 465 g chunk of iron is removed from an oven and...Ch. 7 - A piece of stainless steel (C2=0.50Jg-1C-1) is...Ch. 7 - A 1.00 kg sample of magnesium at 40.0C is added to...Ch. 7 - Brass has a density of 8.40 g/cm2 and a specific...Ch. 7 - A 74.8 g sample of copper at 143.2C is added to an...Ch. 7 - A 69.0 g sample of gold at 127.1C is added to an...

Ch. 7 - In the form of heat, 6052 J of energy is...Ch. 7 - What is the final temperature (in C) of 1.24 g of...Ch. 7 - How much heat, in kilojoules, is associated with...Ch. 7 - The standard enthalpy of reaction for the...Ch. 7 - How much heat, in kilojoules, is evolved the...Ch. 7 - Upon complete combustion the indicated substances...Ch. 7 - The combustion of methane gas, the principal...Ch. 7 - Refer to the Integrative Example. What volume of...Ch. 7 - The combustion of hydrogen-oxygen mixtures is used...Ch. 7 - Thermite mixtures are used for certain types of...Ch. 7 - A 0.205 g pellet of potassium hydroxide, KOH, is...Ch. 7 - The heat of solution of Kl(s) in water is...Ch. 7 - You are planning lecture demonstration to...Ch. 7 - Care must be taken in preparing solutions of...Ch. 7 - Refer to Example 7-4. The product of the...Ch. 7 - Prob. 26E Ch. 7 - Prob. 27E Ch. 7 - Prob. 28E Ch. 7 - What mass of ice can be meted the same quantity of...Ch. 7 - What will be the final temperature of the water in...Ch. 7 - A 125 g stainless steel ball bearings...Ch. 7 - Prob. 32E Ch. 7 - The enthalpy of sublimation (solid gas) for dry...Ch. 7 - The enthalpy of vaporization forN2 (I)is 5.56...Ch. 7 - A sample gives off 5228 cal when burned in a bomb...Ch. 7 - The following substances undergo complete...Ch. 7 - A bomb calorimetry experiment is performed...Ch. 7 - A coffee-cup calorimeter contains 100.0 mL of...Ch. 7 - A 0.75 g sample of KCI is added to 350 g H2O in a...Ch. 7 - The heat of solution of potassium acetate in water...Ch. 7 - Prob. 41E Ch. 7 - Salicylic acid, C7H5O2 , has been suggested as a...Ch. 7 - Refer to Example 7-3. Based on the heat of...Ch. 7 - A 1.397 g sample of thymol, C10H14O(s) (a...Ch. 7 - A g of NaCI is added to a Styrofoam cup of water,...Ch. 7 - can determine purity of solid materials by using...Ch. 7 - Calculate the quantity of work associated with a...Ch. 7 - Calculate the quantity of work, in joules,...Ch. 7 - A 1.00 g sample of Ne(g) at 1 atm pressure and 27C...Ch. 7 - Compressed air in aerosol cans is used to free...Ch. 7 - In each of the following processes, is any work...Ch. 7 - In each of the following processes, any work done...Ch. 7 - If 325 J of work is done by a system at a pressure...Ch. 7 - A movable piston a cylinder holding 5.0 L N2(g) is...Ch. 7 - What is the change in internal energy of a system...Ch. 7 - Whet the change in internal energy of e system if...Ch. 7 - The internal energy of a fixed quantity of an...Ch. 7 - Prob. 58E Ch. 7 - Prob. 59E Ch. 7 - Prob. 60E Ch. 7 - There are other forms of work besides PV work. For...Ch. 7 - Another form of work is extension, defined as the...Ch. 7 - Only one of the following quantities is equal to...Ch. 7 - Determine whether H is equal to, greater than, or...Ch. 7 - The heat of combustion of propan-2-ol at 298.15 K,...Ch. 7 - Prob. 66E Ch. 7 - The standard enthalpy of formation of NH2(g) is...Ch. 7 - Use Hess's law to determine rH for the reaction...Ch. 7 - Use Hess's law to determine rH for the reaction 2...Ch. 7 - Given the following information:...Ch. 7 - For the reaction C2H4(g)+CIz(g)C2H4CI2(I) ,...Ch. 7 - Determine rH for this reaction from the data...Ch. 7 - Substitute natural gas (SNG) is a gaseous mature...Ch. 7 - CCI4 , an important commercial solvent, is...Ch. 7 - Use Hess's law and the following data...Ch. 7 - The standard heats of combustion (rH) of butane-l...Ch. 7 - One glucose molecule, C6H12O6(s) is converted to...Ch. 7 - The standard of fermentation of glucose to ethanol...Ch. 7 - Use standard enthalpies of formation from Table...Ch. 7 - Use standard enthalpies of formation from Tables...Ch. 7 - Use the information given here. date from Appendix...Ch. 7 - Prob. 82E Ch. 7 - Prob. 83E Ch. 7 - Use data from Appendix D to calculate rH for the...Ch. 7 - Prob. 85E Ch. 7 - Use data from Table 7.2, together with the...Ch. 7 - Use data from Table 7.2 and rH for re following...Ch. 7 - Use data from Table 7.2 and rH for the following...Ch. 7 - Prob. 89E Ch. 7 - Prob. 90E Ch. 7 - The decomposition of limestone, CaCO2(s) into...Ch. 7 - Use data from Table 7.2 to calculate the volume of...Ch. 7 - Ants release formic acid (HCOOH) when they bite....Ch. 7 - Prob. 94E Ch. 7 - A British thermal unit (Btu) is defined as the...Ch. 7 - What volume of 18.5C water must be added, together...Ch. 7 - A 7.26 kg shot (as used the sporting event, the...Ch. 7 - An alternative approach to bomb calorimetry is to...Ch. 7 - Prob. 99IAE Ch. 7 - Prob. 100IAE Ch. 7 - Determine the missing values of rH in the diagram...Ch. 7 - A particular natural gas consists, in mole...Ch. 7 - Prob. 103IAE Ch. 7 - Prob. 104IAE Ch. 7 - A calorimeter that measures an exothermic heat of...Ch. 7 - For the reaction C2H4(g)+3O2(g)2CO2(g)+2H2O(I)...Ch. 7 - Some of the butane, C4H10(g) , in a 200.0 L...Ch. 7 - The metabolism of glucose, C5H12O5 yields CO2(g)...Ch. 7 - Prob. 109IAE Ch. 7 - Upon complete combustion, a 1.00 L sample (at STP)...Ch. 7 - Prob. 111IAE Ch. 7 - Refer to the discussion of the gasification of...Ch. 7 - A 1.103 g sample of a gaseous...Ch. 7 - Several factors are involved in determining the...Ch. 7 - Prob. 115IAE Ch. 7 - Prob. 116IAE Ch. 7 - Prob. 117IAE Ch. 7 - In the Are You Wondering 7-1 box, the temperature...Ch. 7 - Prob. 119IAE Ch. 7 - Prob. 120IAE Ch. 7 - Cetane, C15H34, is a typical petrodiesel with a...Ch. 7 - Carbon dioxide emissions have been implicated as a...Ch. 7 - Prob. 123FP Ch. 7 - Prob. 124FP Ch. 7 - We can use the heat liberated by a neutralization...Ch. 7 - In a student experiment to confirm Hess's law, the...Ch. 7 - Prob. 127FP Ch. 7 - Refer to Example 7-5 dealing with the work done by...Ch. 7 - Look up the specific heat capacity of several...Ch. 7 - In your own words, define or explain the following...Ch. 7 - Prob. 131SAE Ch. 7 - Explain the important distinctions between each...Ch. 7 - The temperature increase of 225 mL of water at 25C...Ch. 7 - A plausible final temperature when 75.0 ml of...Ch. 7 - U= 100 J for a system that gives off 100 J of heat...Ch. 7 - Prob. 136SAE Ch. 7 - The standard molar enthalpy of formation of CO2(g)...Ch. 7 - Write the formation reaction for each of the...Ch. 7 - Compute rH for the following reactions. The value...Ch. 7 - When dissolved in water, 1.00 mol LiCI produces...Ch. 7 - Prob. 141SAE Ch. 7 - Prob. 142SAE Ch. 7 - Prob. 143SAE Ch. 7 - A 1.22 kg piece of iron at 126.5C is dropped into...Ch. 7 - Prob. 145SAE Ch. 7 - The standard molar heats of combustion of...Ch. 7 - Prob. 147SAE Ch. 7 - Prob. 148SAE Ch. 7 - Prob. 149SAE Ch. 7 - Prob. 150SAE Ch. 7 - Prob. 151SAE Ch. 7 - Prob. 152SAE Ch. 7 - Prob. 153SAE Ch. 7 - Prob. 154SAE

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Solution Summary: The author explains the stoichiometric proportions of NaOH and citric acid at equivalence point of the neutralization reaction.

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Chapter 7 Solutions