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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Textbook Question
Chapter 3, Problem 3.28QP
Find the formula weights of the following substances to three significant figures.
- a sulfuric acid, H2SO4
- b phosphorus pentachloride, PCl5
- c ammonium chloride, NH4Cl
- d calcium hydroxide, Ca(OH)2
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Chapter 3 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 3.1 - Calculate the formula weights of the following...Ch. 3.1 - For the following compounds, write the molecular...Ch. 3.2 - a. What is the mass in grams of a calcium atom,...Ch. 3.2 - Hydrogen peroxide, H2O2, is a colorless liquid. A...Ch. 3.2 - Nitric acid, HNO3, is a colorless, corrosive...Ch. 3.2 - Hydrogen cyanide, HCN, is a volatile, colorless...Ch. 3.2 - You have 1.5 moles of tricycles. a How many moles...Ch. 3.3 - Ammonium nitrate, NH4NO3, which is prepared from...Ch. 3.3 - How many grams of nitrogen, N, are there in a...Ch. 3.4 - A 3.87-mg sample of ascorbic acid (vitamin C)...
Ch. 3.4 - Prob. 3.2CCCh. 3.5 - A sample of compound weighing 83.5 g contains 33.4...Ch. 3.5 - Benzoic acid is a white, crystalline powder used...Ch. 3.5 - The percentage composition of acetaldehyde is...Ch. 3.5 - Prob. 3.3CCCh. 3.6 - In an industrial process, hydrogen chloride, HCl,...Ch. 3.7 - Sodium is a soft, reactive metal that instantly...Ch. 3.7 - Sphalerite is a zinc sulfide (ZnS) mineral and an...Ch. 3.7 - The British chemist Joseph Priestley prepared...Ch. 3.7 - The main reaction of a charcoal grill is C(s) +...Ch. 3.8 - Solid ReO3 is a material that is an extremely good...Ch. 3.8 - Aluminum chloride, AlCl3, is used as a catalyst in...Ch. 3.8 - In an experiment, 7.36 g of zinc was heated with...Ch. 3.8 - New industrial plants for acetic acid react liquid...Ch. 3.8 - Prob. 3.6CCCh. 3 - What is the difference between a formula weight...Ch. 3 - Describe in words how to obtain the formula weight...Ch. 3 - One mole of N2 contains how many N2 molecules? How...Ch. 3 - Prob. 3.4QPCh. 3 - Prob. 3.5QPCh. 3 - A substance has the molecular formula C6H12O2....Ch. 3 - Hydrogen peroxide has the empirical formula HO and...Ch. 3 - Describe in words the meaning of the equation...Ch. 3 - Prob. 3.9QPCh. 3 - Prob. 3.10QPCh. 3 - Prob. 3.11QPCh. 3 - Prob. 3.12QPCh. 3 - How many grams of NH3 will have the same number of...Ch. 3 - Which of the following has the largest number of...Ch. 3 - How many atoms are present in 123 g of magnesium...Ch. 3 - Calculations with Chemical Formulas and Equations...Ch. 3 - Prob. 3.17QPCh. 3 - Moles within Moles and Molar Mass Part 1: a How...Ch. 3 - You react nitrogen and hydrogen in a container to...Ch. 3 - Propane, C3H8, is the fuel of choice in a gas...Ch. 3 - Prob. 3.21QPCh. 3 - Prob. 3.22QPCh. 3 - High cost and limited availability of a reactant...Ch. 3 - Prob. 3.24QPCh. 3 - A friend asks if you would be willing to check...Ch. 3 - Prob. 3.26QPCh. 3 - Find the formula weights of the following...Ch. 3 - Find the formula weights of the following...Ch. 3 - Calculate the formula weight of the following...Ch. 3 - Calculate the formula weight of the following...Ch. 3 - Ammonium nitrate, NH4NO3, is used as a nitrogen...Ch. 3 - Phosphoric acid, H3PO4, is used to make phosphate...Ch. 3 - Calculate the mass (in grams) of each of the...Ch. 3 - Diethyl ether, (C2H5)2O, commonly known as ether,...Ch. 3 - Glycerol, C3H8O3, is used as a moistening agent...Ch. 3 - Calculate the mass in grams of the following. a...Ch. 3 - Calculate the mass in grams of the following. a...Ch. 3 - Boric acid, H3BO3, is a mild antiseptic and is...Ch. 3 - Carbon disulfide, CS2, is a colorless, highly...Ch. 3 - Obtain the moles of substance in the following. a...Ch. 3 - Obtain the moles of substance in the following. a...Ch. 3 - Calcium sulfate, CaSO4, is a white, crystalline...Ch. 3 - A 1.547-g sample of blue copper(II) sulfate...Ch. 3 - Calculate the following. a number of atoms in 8.21...Ch. 3 - Calculate the following. a number of atoms in 25.7...Ch. 3 - Carbon tetrachloride is a colorless liquid used in...Ch. 3 - Chlorine trifluoride is a colorless, reactive gas...Ch. 3 - A 1.680-g sample of coal contains 1.584 g C....Ch. 3 - A 6.01-g aqueous solution of isopropyl alcohol...Ch. 3 - Phosphorus oxychloride is the starting compound...Ch. 3 - Ethyl mercaptan is an odorous substance added to...Ch. 3 - A fertilizer is advertised as containing 14.0%...Ch. 3 - Seawater contains 0.0065% (by mass) of bromine....Ch. 3 - A sample of an alloy of aluminum contains 0.0898...Ch. 3 - A sample of gas mixture from a neon sign contains...Ch. 3 - Calculate the percentage composition for each of...Ch. 3 - Calculate the percentage composition for each of...Ch. 3 - Calculate the mass percentage of each element in...Ch. 3 - Calculate the mass percentage of each element in...Ch. 3 - Which contains more carbon, 6.01 g of glucose....Ch. 3 - Which contains more sulfur, 40.8 g of calcium...Ch. 3 - Ethylene glycol is used as an automobile...Ch. 3 - Prob. 3.64QPCh. 3 - An oxide of osmium (symbol Os) is a pale yellow...Ch. 3 - An oxide of tungsten (symbol W) is a bright yellow...Ch. 3 - Potassium bromate is a colorless, crystalline...Ch. 3 - Hydroquinone, used as a photographic developer, is...Ch. 3 - Acrylic acid, used in the manufacture of acrylic...Ch. 3 - Malonic acid is used in the manufacture of...Ch. 3 - Two compounds have the same composition: 92.25% C...Ch. 3 - Two compounds have the same composition: 85.62% C...Ch. 3 - Putreseine a substance produced by decaying...Ch. 3 - Compounds of boron with hydrogen are called...Ch. 3 - Oxalic acid is a toxic substance used by laundries...Ch. 3 - Adipic acid is used in the manufacture of nylon....Ch. 3 - Ethylene, C2H4, bums in oxygen to give carbon...Ch. 3 - Hydrogen sulfide gas, H2S, burns in oxygen to give...Ch. 3 - Prob. 3.79QPCh. 3 - Ethanol, C2H5OH, burns with the oxygen in air to...Ch. 3 - Iron in the form of fine wire burns in oxygen to...Ch. 3 - Prob. 3.82QPCh. 3 - Nitric acid, HNO3, is manufactured by the Ostwald...Ch. 3 - White phosphorus, P4, is prepared by fusing...Ch. 3 - Tungsten metal, W, is used to make incandescent...Ch. 3 - Acrylonitrile, C3H3N, is the starting material for...Ch. 3 - The following reaction, depicted using molecular...Ch. 3 - Using the following reaction (depicted using...Ch. 3 - When dinitrogen pentoxide, N2O5, a white solid, is...Ch. 3 - Copper metal reacts with mine acid. Assume that...Ch. 3 - Potassium superoxide, KO2, is used in rebreathing...Ch. 3 - Solutions of sodium hypochlorite, NaClO, are sold...Ch. 3 - Methanol, CH3OH, is prepared industrially from the...Ch. 3 - Carbon disulfide, CS2, burns in oxygen. Complete...Ch. 3 - Prob. 3.95QPCh. 3 - Hydrogen cyanide, HCN, is prepared from ammonia,...Ch. 3 - Aspirin (acetylsalicylic acid) is prepared by...Ch. 3 - Methyl salicylate (oil of wintergreen) is prepared...Ch. 3 - Caffeine, the stimulant in coffee and tea, has the...Ch. 3 - Morphine, a narcotic substance obtained from...Ch. 3 - A moth repellent, para-dichlorobenzene, has the...Ch. 3 - Sorbic acid is added to food as a mold inhibitor....Ch. 3 - Thiophene is a liquid compound of the elements C,...Ch. 3 - Aniline, a starting compound for urethane plastic...Ch. 3 - A sample of limestone (containing calcium...Ch. 3 - A titanium ore contains rutile (TiO2) plus some...Ch. 3 - Ethylene oxide, C2H4O, is made by the oxidation of...Ch. 3 - Nitrobenzene, C6H5NO2, an important raw material...Ch. 3 - Zinc metal can be obtained from zinc oxide, ZnO,...Ch. 3 - Hydrogen cyanide, HCN, can be made by a two-step...Ch. 3 - Calcium carbide, CaC2, used to produce acetylene,...Ch. 3 - A mixture consisting of 11.9 g of calcium...Ch. 3 - Alloys, or metallic mixtures, of mercury with...Ch. 3 - A sample of sandstone consists of silica, SiO2,...Ch. 3 - Prob. 3.115QPCh. 3 - Prob. 3.116QPCh. 3 - Exactly 4.0 g of hydrogen gas combines with 32 g...Ch. 3 - Aluminum metal reacts with iron(III) oxide to...Ch. 3 - Prob. 3.119QPCh. 3 - You perform a combustion analysis on a 255 mg...Ch. 3 - Prob. 3.121QPCh. 3 - A 3.0-L sample of paint that has a density of...Ch. 3 - A 12.1-g sample of Na2SO3 is mixed with a 14.6-g...Ch. 3 - Potassium superoxide, KO2, is employed in a...Ch. 3 - Calcium carbonate is a common ingredient in...Ch. 3 - Prob. 3.126QPCh. 3 - Prob. 3.127QPCh. 3 - Copper reacts with nitric acid according to the...Ch. 3 - A sample of methane gas, CH4(g), is reacted with...Ch. 3 - A sample containing only boron and fluorine was...Ch. 3 - Prob. 3.131QPCh. 3 - Prob. 3.132QPCh. 3 - A 0.500-g mixture of Cu2O and CuO contains 0.425 g...Ch. 3 - A mixture of Fe2O3, and FeO was found to contain...Ch. 3 - Hemoglobin is the oxygen-carrying molecule of red...Ch. 3 - Penicillin V was treated chemically to convert...Ch. 3 - A 3.41-g sample of a metallic element, M, reacts...Ch. 3 - Prob. 3.138QPCh. 3 - An alloy of iron (54.7%), nickel (45.0%), and...Ch. 3 - Prob. 3.140QPCh. 3 - A power plant is driven by the combustion of a...
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