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General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343
BuyFind

General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343

Solutions

Chapter
Section
Chapter 15, Problem 15.107QP
Textbook Problem
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Explain how sodium hydroxide dissolves grease and hair from a stopped drain.

Expert Solution
Interpretation Introduction

Interpretation:

How sodium hydroxide dissolves grease and hair from a stropped drain has to be explained.

Concept introduction:

Strong acid:

According to Arrhenius theory, a compound or a substance which completely ionized in a aqueous solution to give a hydronium ion and anion is said to be strong acid.

Strong base:

According to Arrhenius theory, a compound or a substance which completely ionized in a aqueous solution to give a hydroxide ion and cation is said to be strong base.

Explanation of Solution

  • We know that, sodium hydroxide is a strong base.
  • When, sodium hydroxide reacts with fat (grease) there will be formation of salt of a fatty acid, and which is said to be soap...

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Chapter 15 Solutions

General Chemistry - Standalone book (MindTap Course List)
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Ch. 15.8 - A saturated solution of calcium hydroxide has a...Ch. 15.8 - A brand of carbonated beverage has a pH of 3.16....Ch. 15.8 - A 0.010 M solution of ammonia, NH3, has a pH of...Ch. 15.8 - You have solutions of NH3, HCl, NaOH, and HC2H3O2...Ch. 15 - Which of the following are strong acids? Which are...Ch. 15 - Describe any thermochemical (heat of reaction)...Ch. 15 - Define an acid and a base according to the...Ch. 15 - What is meant by the conjugate acid of a base?Ch. 15 - Write an equation in which H2PO3 acts as an acid...Ch. 15 - Describe four ways in which the BrnstedLowry...Ch. 15 - Define an acid and a base according to the Lewis...Ch. 15 - Explain why an acidbase reaction favors the weaker...Ch. 15 - Give two important factors that determine the...Ch. 15 - What is meant by the autoionization of water?...Ch. 15 - What is meant by the pH of a solution? Describe...Ch. 15 - Which is more acidic, a solution having a pH of 4...Ch. 15 - What is the pH of a neutral solution at 37C, where...Ch. 15 - What is the sum of the pH and the pOH for a...Ch. 15 - The conjugate base of hydrofluoric acid dissolved...Ch. 15 - In the following reaction, identify the Lewis...Ch. 15 - Calculate the hydronium-ion concentration at 25C...Ch. 15 - The pH of a solution is 9.55 at 25C What is the...Ch. 15 - Acids You make a solution by dissolving 0.0010 mol...Ch. 15 - Strong Acids, Weak Acids, and pH Two 0.10-mol...Ch. 15 - Aqueous solutions of ammonia, NH3, were once...Ch. 15 - Blood contains several substances that minimize...Ch. 15 - Self-contained environments, such as that of a...Ch. 15 - Compare the structures of HNO2 and H2CO3. Which...Ch. 15 - The value of the ion-product constant for water,...Ch. 15 - You make solutions of ammonia and sodium hydroxide...Ch. 15 - A strong monoprotic acid, with the molecular...Ch. 15 - A weak acid, HA, is dissolved in water. Which one...Ch. 15 - Write the balanced reaction of hydroxide ion with...Ch. 15 - Write the balanced reaction of hypobromous acid,...Ch. 15 - Give the conjugate base to each of the following...Ch. 15 - Give the conjugate base to each of the following...Ch. 15 - Give the conjugate acid to each of the following...Ch. 15 - Give the conjugate acid to each of the following...Ch. 15 - For the following reactions, label each species as...Ch. 15 - For the following reactions, label each species as...Ch. 15 - The following shows ball-and-stick models of the...Ch. 15 - The following shows ball-and-stick models of the...Ch. 15 - Complete each of the following equations. Then...Ch. 15 - Complete each of the following equations. Then...Ch. 15 - In the following reactions, identify each reactant...Ch. 15 - In the following reactions, label each reactant as...Ch. 15 - Natural gas frequently contains hydrogen sulfide,...Ch. 15 - Coal and other fossil fuels usually contain sulfur...Ch. 15 - Complete the following equation. Using Table 15.2,...Ch. 15 - Complete the following equation. Using Table 15.2,...Ch. 15 - Use Table 15.2 to decide whether the species on...Ch. 15 - Use Table 15.2 to decide whether the species on...Ch. 15 - In the following reaction of trichloroacetic acid,...Ch. 15 - In the following reaction of tetrafluoroboric...Ch. 15 - For each of the following pairs, give the stronger...Ch. 15 - Order each of the following pairs by acid...Ch. 15 - What are the concentrations of H3O+ and OH in each...Ch. 15 - What are the concentrations of H3O+ and OH in each...Ch. 15 - A solution of hydrochloric acid is 0.059 M HCl....Ch. 15 - A solution is 0.030 M HNO3 (nitric acid). What is...Ch. 15 - What are the hydronium-ion and the hydroxide-ion...Ch. 15 - A saturated solution of magnesium hydroxide is 3.2...Ch. 15 - The following are solution concentrations....Ch. 15 - The following are solution concentrations....Ch. 15 - A shampoo solution at 25C has a hydroxide-ion...Ch. 15 - An antiseptic solution at 25C has a hydroxide-ion...Ch. 15 - Which of the following pH values indicate an...Ch. 15 - Which of the following pH values indicate an...Ch. 15 - For each of the following, state whether the...Ch. 15 - For each of the following, state whether the...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - A sample of vinegar has a hydronium-ion...Ch. 15 - Some lemon juice has a hydronium-ion concentration...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - A solution of washing soda (sodium carbonate,...Ch. 15 - A solution of lye (sodium hydroxide, NaOH) has a...Ch. 15 - The pH of a cup of coffee (at 25C) was found to be...Ch. 15 - A wine was tested for acidity, and its pH was...Ch. 15 - A detergent solution has a pH of 11.80 at 25C....Ch. 15 - Morphine is a narcotic that is used to relieve...Ch. 15 - A 1.00-L aqueous solution contained 5.80 g of...Ch. 15 - A 1.00-L aqueous solution contained 6.78 g of...Ch. 15 - A certain sample of rainwater gives a yellow color...Ch. 15 - A drop of thymol blue gave a yellow color with a...Ch. 15 - Identify each of the following as an acid or a...Ch. 15 - Which of the following substances are acids in...Ch. 15 - Write a reaction for each of the following in...Ch. 15 - Write a reaction for each of the following in...Ch. 15 - For each of the following, write the complete...Ch. 15 - For each of the following, write the complete...Ch. 15 - Complete the following proton-transfer reaction....Ch. 15 - Complete the following reaction. Decide on the...Ch. 15 - List the following compounds in order of...Ch. 15 - List the following compounds in order of...Ch. 15 - A solution is 0.18 M KOH. What are the...Ch. 15 - A solution is 0.25 M Sr(OH)2. What are the...Ch. 15 - A wine has a hydronium-ion concentration equal to...Ch. 15 - A sample of lemon juice has a hydronium-ion...Ch. 15 - A sample of apple eider has a pH of 3.75 What is...Ch. 15 - A sample of grape juice has a pH of 4.15. What is...Ch. 15 - A 4.640-g sample of a mixture of sodium hydrogen...Ch. 15 - A 2.500-g sample of a mixture of sodium carbonate...Ch. 15 - The bicarbonate ion has the ability to act as an...Ch. 15 - The dihydrogen phosphate ion has the ability to...Ch. 15 - The hydride ion does not exist in water because it...Ch. 15 - The nitride ion and the amide ion, NH2, have...Ch. 15 - Why do medicines frequently taste bitter?Ch. 15 - Show how methylamine, CH3NH2, is a BrnstedLowry...Ch. 15 - Explain how sodium hydroxide dissolves grease and...Ch. 15 - How is sodium hydroxide prepared commercially?Ch. 15 - a Consider the hydrated aluminum ion Al(H2O)63+ as...Ch. 15 - Saccharin, HC7H4NO3S, is a well-known sweetener....Ch. 15 - Consider the acids listed and decide on the basis...Ch. 15 - Hydrazine, N2H4 (having the structure H2NNH2), and...Ch. 15 - Consider the substances arsine, AsH3, and...Ch. 15 - Liquid ammonia undergoes autoionization similar to...Ch. 15 - Ethanol (ethyl alcohol), CH3CH2OH, can act as a...Ch. 15 - Ethanol, CH3CH2OH, can undergo auto-ionization....Ch. 15 - Aluminum chloride, AlCl3, reacts with...Ch. 15 - Consider each of the following pairs of compounds,...Ch. 15 - Arrange each of the following in order of...Ch. 15 - The following is a table of some of the oxoacids...Ch. 15 - Suppose you have 557 mL of 0.0300 M HCl, and you...Ch. 15 - How many grams of water are in dissociated form...Ch. 15 - You want to make up 3.00 L of aqueous hydrochloric...Ch. 15 - You can obtain the pH of a 0.100 M HCl solution by...Ch. 15 - Pure liquid hydrogen fluoride ionizes in a way...Ch. 15 - Pure liquid ammonia ionizes in a way similar to...Ch. 15 - A solution contains 4.25g of ammonia per 250.0 mL...Ch. 15 - A solution contains 0.675 g of ethylamine,...Ch. 15 - Phosphorous acid, H3PO3, and phosphoric acid,...Ch. 15 - Hypophosphorous acid, H3PO2, and phosphoric acid,...Ch. 15 - Boron trifluoride, BF3, and ammonia, NH3, react to...Ch. 15 - Boron trifluoride, BF3, and diethyl ether,...

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