General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Chapter 12, Problem 12.20QP
Interpretation Introduction
Interpretation:
The removal of oil from fabric by the action of soap has to be explained.
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Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds.
Thus, it is important to know which atoms carry unshared pairs.
Use the structural formulas below to determine the number of unshared pairs at each designated atom.
Be sure your answers are consistent with the formal charges on the formulas.
CH.
H₂
fo
H2
H
The number of unshared pairs at atom a is
The number of unshared pairs at atom b is
The number of unshared pairs at atom c is
HC
HC
HC
CH
The number of unshared pairs at atom a is
The number of unshared pairs at atom b is
The number of unshared pairs at atom c is
Draw curved arrows for the following reaction step.
Arrow-pushing Instructions
CH3
CH3 H
H-O-H
+/
H3C-C+
H3C-C-0:
CH3
CH3 H
Chapter 12 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 12.1 - Prob. 12.1ECh. 12.1 - Identify the solute(s) and solvent(s) in the...Ch. 12.2 - Prob. 12.2CCCh. 12.2 - Which of the following compounds is likely to be...Ch. 12.2 - Which ion has the larger hydration energy, Na+ or...Ch. 12.2 - Prob. 12.3CCCh. 12.3 - A liter of water at 25C dissolves 0.0404 g O2 when...Ch. 12.3 - Most fish have a very difficult time surviving at...Ch. 12.4 - An experiment calls for 35.0 g of hydrochloric...Ch. 12.4 - Toluene, C6H5CH3, is a liquid compound similar to...
Ch. 12.4 - Prob. 12.7ECh. 12.4 - A solution is 0.120 m methanol dissolved in...Ch. 12.4 - A solution is 0.250 mole fraction methanol, CH3OH,...Ch. 12.4 - Urea, (NH2)2CO, is used as a fertilizer (sec the...Ch. 12.4 - Prob. 12.11ECh. 12.5 - Naphthalene, C10H8, is used to make mothballs....Ch. 12.5 - Prob. 12.5CCCh. 12.6 - How many grams of ethylene glycol, CH2OHCH2OH,...Ch. 12.6 - A 0.930-g sample of ascorbic acid (vitamin C) was...Ch. 12.6 - A 0.205-g sample of white phosphorus was dissolved...Ch. 12.7 - Calculate the osmotic pressure at 20C of an...Ch. 12.7 - Prob. 12.6CCCh. 12.8 - Prob. 12.17ECh. 12.8 - Each of the following substances is dissolved in a...Ch. 12.9 - Prob. 12.18ECh. 12.9 - If electrodes that are connected to a direct...Ch. 12 - Prob. 12.1QPCh. 12 - Prob. 12.2QPCh. 12 - Explain in terms of intermolecular attractions why...Ch. 12 - Prob. 12.4QPCh. 12 - Using the concept of hydration, describe the...Ch. 12 - What is the usual solubility behavior of an ionic...Ch. 12 - Give one example of each: a salt whose heat of...Ch. 12 - What do you expect to happen to a concentration of...Ch. 12 - Prob. 12.9QPCh. 12 - Pressure has an effect on the solubility of oxygen...Ch. 12 - Prob. 12.11QPCh. 12 - When two beakers containing different...Ch. 12 - Prob. 12.13QPCh. 12 - Prob. 12.14QPCh. 12 - Prob. 12.15QPCh. 12 - Prob. 12.16QPCh. 12 - One can often see sunbeams passing through the...Ch. 12 - Prob. 12.18QPCh. 12 - Explain on the basis that like dissolves like why...Ch. 12 - Prob. 12.20QPCh. 12 - Calculate the number of moles of barium chloride...Ch. 12 - Prob. 12.22QPCh. 12 - If 291g of a compound is added to 1.02 kg of water...Ch. 12 - A 5.1-g sample of CaCl2 is dissolved in a beaker...Ch. 12 - Consider two hypothetical pure substances, AB(s)...Ch. 12 - Equal numbers of moles of two soluble, substances,...Ch. 12 - Even though the oxygen demands of trout and bass...Ch. 12 - You want to purchase a salt to melt snow and ice...Ch. 12 - Prob. 12.29QPCh. 12 - Prob. 12.30QPCh. 12 - Prob. 12.31QPCh. 12 - Consider the following dilute NaCl(aq) solutions....Ch. 12 - Prob. 12.33QPCh. 12 - Prob. 12.34QPCh. 12 - If l-mol samples of urea, a nonelectrolyte, sodium...Ch. 12 - Prob. 12.36QPCh. 12 - Prob. 12.37QPCh. 12 - Prob. 12.38QPCh. 12 - Prob. 12.39QPCh. 12 - Prob. 12.40QPCh. 12 - Arrange the following substances in order of...Ch. 12 - Indicate which of the following is more soluble in...Ch. 12 - Prob. 12.43QPCh. 12 - Which of the following ions would be expected to...Ch. 12 - Arrange the following alkaline-earth-metal iodates...Ch. 12 - Explain the trends in solubility (grams per 100 mL...Ch. 12 - The solubility of carbon dioxide in water is 0.161...Ch. 12 - Prob. 12.48QPCh. 12 - Prob. 12.49QPCh. 12 - Prob. 12.50QPCh. 12 - Prob. 12.51QPCh. 12 - Prob. 12.52QPCh. 12 - Vanillin, C2H2O3, occurs naturally in vanilla...Ch. 12 - Lauryl alcohol, C12H25OH, is prepared from coconut...Ch. 12 - Fructose, C6H12O6, is a sugar occurring in honey...Ch. 12 - Caffeine. C8H10N4O2, is a stimulant found in tea...Ch. 12 - A 100.0-g sample of a brand of rubbing alcohol...Ch. 12 - An automobile antifreeze solution contains 2.50 kg...Ch. 12 - Prob. 12.59QPCh. 12 - Prob. 12.60QPCh. 12 - Concentrated hydrochloric acid contains 1.00 mol...Ch. 12 - Concentrated aqueous ammonia contains 1.00 mol NH3...Ch. 12 - Prob. 12.63QPCh. 12 - Prob. 12.64QPCh. 12 - A solution of vinegar is 0.763 M acetic arid,...Ch. 12 - A beverage contains tartaric acid, H2C4H4O6, a...Ch. 12 - Calculate the vapor pressure at 35C of a solution...Ch. 12 - What is the vapor pressure at 23C of a solution of...Ch. 12 - What is the boiling point of a solution of 0.133 g...Ch. 12 - A solution was prepared by dissolving 0.800 g of...Ch. 12 - An aqueous solution of a molecular compound...Ch. 12 - Urea, (NH2)2CO, is dissolved in 250.0 g of water....Ch. 12 - Prob. 12.73QPCh. 12 - Prob. 12.74QPCh. 12 - Safrole is contained in oil of sassafras and was...Ch. 12 - Butylated hydroxytoluene (BHT) is used as an...Ch. 12 - Prob. 12.77QPCh. 12 - Prob. 12.78QPCh. 12 - What is the freezing point of 0.0075 m aqueous...Ch. 12 - What is the freezing point of 0.0088 m aqueous...Ch. 12 - Prob. 12.81QPCh. 12 - In a mountainous location, the boiling point of...Ch. 12 - Prob. 12.83QPCh. 12 - Prob. 12.84QPCh. 12 - Prob. 12.85QPCh. 12 - Prob. 12.86QPCh. 12 - A gaseous mixture consists of 87.0 mole percent N2...Ch. 12 - A natural gas mixture consists of 88.0 mole...Ch. 12 - Prob. 12.89QPCh. 12 - Prob. 12.90QPCh. 12 - A 55-g sample of a gaseous fuel mixture contains...Ch. 12 - Prob. 12.92QPCh. 12 - A liquid solution consists of 0.30 mole fraction...Ch. 12 - What is the total vapor pressure at 20C of a...Ch. 12 - A sample of potassium aluminum sulfate 12-hydrate....Ch. 12 - A sample of aluminum sulfate 18-hydrate,...Ch. 12 - Urea, (NH2)2CO, has been used to melt ice from...Ch. 12 - Calcium chloride, CaCl2, has been used to melt ice...Ch. 12 - Prob. 12.99QPCh. 12 - Prob. 12.100QPCh. 12 - Which aqueous solution has the lower freezing...Ch. 12 - Which aqueous solution has the lower boiling...Ch. 12 - Commercially, sulfuric acid is usually obtained as...Ch. 12 - Prob. 12.104QPCh. 12 - A compound of manganese, carbon, and oxygen...Ch. 12 - A compound of cobalt, carbon, and oxygen contains...Ch. 12 - The carbohydrate digitoxose contains 48.64% carbon...Ch. 12 - Analysis of a compound gave 39.50% C, 2.21% H, and...Ch. 12 - Fish blood has an osmotic pressure equal to that...Ch. 12 - Prob. 12.110QPCh. 12 - Prob. 12.111QPCh. 12 - Prob. 12.112QPCh. 12 - How are phospholipids similar in structure to a...Ch. 12 - Prob. 12.114QPCh. 12 - Two samples of sodium chloride solutions are...Ch. 12 - Prob. 12.116QPCh. 12 - You have an aqueous, dilute solution of a...Ch. 12 - Prob. 12.118QPCh. 12 - Prob. 12.119QPCh. 12 - Prob. 12.120QPCh. 12 - When 79.3 g of a particular compound is dissolved...Ch. 12 - What is the boiling point of a solution made by...Ch. 12 - Prob. 12.123QPCh. 12 - Prob. 12.124QPCh. 12 - Prob. 12.125QPCh. 12 - Prob. 12.126QPCh. 12 - Prob. 12.127QPCh. 12 - Prob. 12.128QPCh. 12 - An aqueous solution is 0.797 M magnesium chloride....Ch. 12 - A CaCl2 solution at 25C has an osmotic pressure of...Ch. 12 - Prob. 12.131QPCh. 12 - Prob. 12.132QPCh. 12 - The lattice enthalpy of sodium chloride, H for...Ch. 12 - Prob. 12.134QPCh. 12 - Prob. 12.135QPCh. 12 - Prob. 12.136QPCh. 12 - Prob. 12.137QPCh. 12 - An aqueous solution is 20.0% by mass of sodium...Ch. 12 - Prob. 12.139QPCh. 12 - The freezing point of 0.109 m aqueous formic acid...Ch. 12 - A compound of carbon, hydrogen, and oxygen was...Ch. 12 - A compound of carbon, hydrogen, and oxygen was...
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