Chemistry: Principles and Practice
3rd Edition
ISBN: 9780534420123
Author: Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 12, Problem 12.6QE
Interpretation Introduction
Interpretation:
The reason why always acid is added to water has to be given.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A solution of 5.00 g acetic acid in 100 g benzene freezes at 3.380C. A solution of 5.00 g acetic acid in 100 g water freezes at -1.490C. Find the molecular weight of acetic acid from each of these data. What can you conclude about the state of the acetic acid molecules dissolved in each of these solvents?
The vapor pressure at 20 °C of pure hexane is 120. torr, and pure 2-methyl pentane is 172 torr. Determine the vapor pressure (torr) of hexane in a mixture of 24.0 g of hexane and 44.0 g of 2-methyl pentane. The molar mass of both hexane and 2-methyl pentane is 86.0 g/mol.
When sodium chloride, NaCl, is added to water, it forms a solution. The steps involved in the dissolution of NaCl in water are shown below.
Na
Sodium ions
Chloride ions
н
но,
Water molecule
Order the steps involved in the formation of a solution.
Rank the steps involved in the dissolution of salt in water from first step to last step. To rank items as equivalent, overlap them.
• View Available Hint(s)
Reset
Help
н
H.
нн
Но
но
Na
он
н
н
н.о
Н н
NaCl crystal is
added to water
The Na" ions are attracted The ar ions are attracted
to the water molecules
NaCl solution
to the water molecules
First
Last
Chapter 12 Solutions
Chemistry: Principles and Practice
Ch. 12 - Prob. 12.1QECh. 12 - Prob. 12.2QECh. 12 - Prob. 12.3QECh. 12 - Prob. 12.4QECh. 12 - Prob. 12.5QECh. 12 - Prob. 12.6QECh. 12 - Prob. 12.7QECh. 12 - Prob. 12.8QECh. 12 - Prob. 12.9QECh. 12 - Prob. 12.10QE
Ch. 12 - Prob. 12.11QECh. 12 - Prob. 12.12QECh. 12 - Create a flow diagram, similar to those used in...Ch. 12 - Prob. 12.14QECh. 12 - Prob. 12.15QECh. 12 - Prob. 12.16QECh. 12 - Prob. 12.17QECh. 12 - Prob. 12.18QECh. 12 - Prob. 12.19QECh. 12 - Prob. 12.20QECh. 12 - Prob. 12.21QECh. 12 - Prob. 12.22QECh. 12 - Prob. 12.23QECh. 12 - Prob. 12.24QECh. 12 - Prob. 12.25QECh. 12 - Prob. 12.26QECh. 12 - Prob. 12.27QECh. 12 - What is the molality of copper(II) bromide (CuBr2)...Ch. 12 - Prob. 12.29QECh. 12 - Prob. 12.30QECh. 12 - A water solution of sodium hypochlorite (NaOCl) is...Ch. 12 - Prob. 12.32QECh. 12 - Prob. 12.33QECh. 12 - Vinegar is a 5.0% solution of acetic acid...Ch. 12 - Prob. 12.35QECh. 12 - A 2.77 M NaOH solution in water has a density of...Ch. 12 - The density of a 3.75 M aqueous sulfuric acid...Ch. 12 - Prob. 12.40QECh. 12 - Prob. 12.41QECh. 12 - Prob. 12.42QECh. 12 - Predict the relative solubility of each compound...Ch. 12 - Predict the relative solubility of each compound...Ch. 12 - Prob. 12.45QECh. 12 - Prob. 12.46QECh. 12 - Prob. 12.47QECh. 12 - Prob. 12.48QECh. 12 - Prob. 12.49QECh. 12 - The solubility of ethylene (C2H4) in water at 20 C...Ch. 12 - Prob. 12.51QECh. 12 - Prob. 12.52QECh. 12 - Prob. 12.53QECh. 12 - Prob. 12.54QECh. 12 - Prob. 12.55QECh. 12 - Prob. 12.56QECh. 12 - From the data presented in Figure 12.11, determine...Ch. 12 - Prob. 12.58QECh. 12 - Prob. 12.59QECh. 12 - Prob. 12.60QECh. 12 - Prob. 12.61QECh. 12 - Prob. 12.62QECh. 12 - The vapor pressure of chloroform (CHCl3) is 360...Ch. 12 - Prob. 12.64QECh. 12 - Prob. 12.65QECh. 12 - Prob. 12.66QECh. 12 - Prob. 12.67QECh. 12 - Prob. 12.68QECh. 12 - Prob. 12.69QECh. 12 - Prob. 12.70QECh. 12 - A solution of 1.00 g of a protein in 20.0 mL water...Ch. 12 - Prob. 12.72QECh. 12 - Arrange the following aqueous solutions in order...Ch. 12 - Arrange the following solutions in order of...Ch. 12 - Prob. 12.75QECh. 12 - An aqueous solution of sodium bromide freezes at...Ch. 12 - Prob. 12.77QECh. 12 - Prob. 12.78QECh. 12 - Prob. 12.79QECh. 12 - Prob. 12.80QECh. 12 - A 0.029 M solution of potassium sulfate has an...Ch. 12 - The freezing point of a 0.031-m solution of...Ch. 12 - Prob. 12.83QECh. 12 - Prob. 12.84QECh. 12 - Prob. 12.85QECh. 12 - Prob. 12.86QECh. 12 - Prob. 12.87QECh. 12 - Prob. 12.88QECh. 12 - Prob. 12.89QECh. 12 - Prob. 12.90QECh. 12 - Predict the relative solubility of each compound...Ch. 12 - Prob. 12.92QECh. 12 - Prob. 12.94QECh. 12 - Prob. 12.95QECh. 12 - Prob. 12.96QECh. 12 - Sketch graphs of total vapor pressure versus the...Ch. 12 - Prob. 12.98QECh. 12 - Prob. 12.99QECh. 12 - Prob. 12.100QECh. 12 - Prob. 12.101QECh. 12 - Prob. 12.102QECh. 12 - Prob. 12.103QECh. 12 - A 10.00-mL sample of a 24.00% solution of ammonium...Ch. 12 - Prob. 12.105QECh. 12 - In the 1986 Lake Nyos disaster (see the chapter...Ch. 12 - Prob. 12.107QE
Knowledge Booster
Similar questions
- Consider two hypothetical pure substances, AB(s) and XY(s). When equal molar amounts of these substances are placed in separate 500-mL samples of water, they undergo the following reactions: AB(s)A+(aq)+B(aq)XY(s)XY(aq) a Which solution would you expect to have the lower boiling point? Why? b Would you expect the vapor pressures of the two solutions to be equal? If not, which one would you expect to have the higher vapor pressure? c Describe a procedure that would make the two solutions have the same boiling point. d If you took 250 mL of the AB(aq) solution prepared above, would it have the same boiling point as the original solution? Be sure to explain your answer. e The container of XY(aq) is left out on the bench top for several days, which allows some of the water to evaporate from the solution. How would the melting point of this solution compare to the melting point of the original solution?arrow_forwardIn a mountainous location, the boiling point of pure water is found to be 95C. How many grams of sodium chloride must be added to 1 kg of water to bring the boiling point back to 100C? Assume that i = 2.arrow_forwardA 0.109 mol/kg aqueous solution of formic acid, HCOOH, freezes at −0.210 °C. Calculate the percent dissociation of formic acid.arrow_forward
- Compound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY is -595.6 kJ mol1.The hydration energy of its ions is -612.4 kJ mol 1. Write the thermochemical equations for the two steps in the formation of a solution of XY in water. Draw an enthalpy diagram for the formation of this solution. What is the net AH for the formation of a solution of XY? i kJ mol-1arrow_forwardAn ideal solvent to use for recrystallization is one that: Group of answer choices dissolves the desired compound in ice-cold water temperature but does not dissolve the desired compound at its boiling temperature. a solvent in which the desired compound dissolves at any temperature. a solvent that reacts with the desired compound. dissolves the desired compound at its boiling temperature but does not dissolve the desired compound in ice-cold temperature.arrow_forward7. Carbon monoxide gas is found to be more soluble in water than hydrogen gas, even though carbon monoxide and hydrogen gas have very similar Lewis structures. Why? What does have similar Lewis structures have to do with the solubility if any between carbon monoxide and nitrogen? 8. What accounts for a meniscus when measuring liquids in the lab? Explain. Chemical Phases and Vapor Pressure: 9. If the temperature of a liquid is increased, what is the effect on the vapor pressure? 10. The vapor pressure of molecule X at 21.7 °C is 35 mmHg. Find the vapor pressure of this molecule at 68°C. AHvap= 26 kJ/mol, R = 8.314 J/mol*K. Chemical Phases and Heat: 11. How does the heat of fusion of chloroform and the heat of fusion of ethane compare? Why? 130arrow_forward
- Compound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY is -592.7 kJ mol1. The hydration energy of its ions is -614.3 kJ mol-1. Write the thermochemical equations for the two steps in the formation of a solution of XY in water. Draw an enthalpy diagram for the formation of this solution. What is the net AH for the formation of a solution of XY? kJ mol-1 eTextbook and Mediaarrow_forwardA chemist is given a nonelectrolyte white powder for analysis. 38.7 g of this substance is dissolved in 100.0 g of water. It is determined that the resulting solution freezes at -4.0°C. Additionally, the elemental composition of the substance is identified and found to be 40.0% C, 6.7% H and 53.3 % O by mass. Find the molecular formula of this unknown white powder using these experimental evidences (Kr of water: 1.86°C/m, C: 12 g/mol, H: 1 g/mol, O: 16 g/mol).arrow_forwardCompound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY is -594.4 kJ mol1. The hydration energy of its ions is -626.2 kJ mol-1. Write the thermochemical equations for the two steps in the formation of a solution of XY in water. Draw an enthalpy diagram for the formation of this solution. What is the net AH for the formation of a solution of XY? i kJ mol-1arrow_forward
- (b) How do the structures of these molecules account for these differences in solubility? Provide a full account of the structures and their influence on intermolecular forces that might account for the differences in this physical property. ( Name Solubility 20 1-butanol 73 g/L butanal 7.6 g/100 mL butanone 27.5 g/100 mL 1-chlorobutane 0.5 g/Larrow_forwardThe molal freezing point depression constant K,=2.51 °C·kg•mol ((NH,),CO) CO are dissolved in 100. g of 2 for a certain substance X. When 6.12 g of urea X, the solution freezes at 0.6 °C. Calculate the freezing point of pure X. Be sure your answer has the correct number of significant digits. °Carrow_forwardNo Plagiarism Please! Acrylonitrile and ethyl acetate have the same boiling point: 77.2ºC. In one to two sentences, explain what outcome you would expect if a mixture of these two substances were distilled.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry for Today: General, Organic, and Bioche...
Chemistry
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning