Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN: 9781938168390
Author: Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher: OpenStax
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Chapter 4, Problem 92E
What mass of
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Chapter 4 Solutions
Chemistry by OpenStax (2015-05-04)
Ch. 4 - What does it mean to say an equation is balanced?...Ch. 4 - Consider molecular, complete ionic, and net ionic...Ch. 4 - Balance the following equations: (a)...Ch. 4 - Balance the following equations: (a)...Ch. 4 - Write a balanced molecular equation describing...Ch. 4 - Write a balanced equation describing each of the...Ch. 4 - Colorful fireworks often involve the decomposition...Ch. 4 - Fill in the blank with a single chemical formula...Ch. 4 - Aqueous hydrogen fluoride (hydrofluoric acid) is...Ch. 4 - A novel process for obtaining magnesium from sea...
Ch. 4 - From the balanced molecular equations, write the...Ch. 4 - Use the following equations to answer the next...Ch. 4 - Indicate what type, or types, of reaction each of...Ch. 4 - Indicate what type, or types, of reaction each of...Ch. 4 - Silver can be separated from gold because silver...Ch. 4 - Determine the oxidation states of the elements in...Ch. 4 - Determine the oxidation states of the elements in...Ch. 4 - Determine the oxidation states of the elements in...Ch. 4 - Classify the following as acid-base reactions or...Ch. 4 - Identify the atoms that are oxidized and reduced,...Ch. 4 - Complete and balance the following acid-base...Ch. 4 - Complete and balance the following acid-base...Ch. 4 - Complete and balance the following...Ch. 4 - Complete and balance the following...Ch. 4 - Complete and balance the equations for the...Ch. 4 - When heated to 700—800 C, diamonds, which are pure...Ch. 4 - The military has experimented with lasers that...Ch. 4 - Write the molecular, total ionic, and net ionic...Ch. 4 - Great Lakes Chemical Company produces bromine,...Ch. 4 - In a common experiment in the general chemistry...Ch. 4 - Lithium hydroxide may be used to absorb carbon...Ch. 4 - Calcium propionate is sometimes added to bread to...Ch. 4 - Complete and balance the equations of the...Ch. 4 - Copper(II) sulfide is oxidized by molecular oxygen...Ch. 4 - Write balanced chemical equations for the...Ch. 4 - Calcium cyclamate Ca(C6H 11 NHSO3)2 is an...Ch. 4 - Complete and balance each of the following...Ch. 4 - Complete and balance each of the following...Ch. 4 - Balance each of the following equations according...Ch. 4 - Balance each of the following equations according...Ch. 4 - Balance each of the following equations according...Ch. 4 - Write the balanced equation, then outline the...Ch. 4 - Write the balanced equation, then outline the...Ch. 4 - Write the balanced equation, then outline the...Ch. 4 - Write the balanced equation, then outline the...Ch. 4 - H2 is produced by the reaction of 118.5 mL of a...Ch. 4 - Gallium chloride is formed by the reaction of 2.6...Ch. 4 - I2 is produced by the reaction of 0.4235 mol of...Ch. 4 - Silver is often extracted from ores such as...Ch. 4 - What mass of silver oxide, Ag2O, is required to...Ch. 4 - Carborundum is silicon carbide, SiC, a very hard...Ch. 4 - Automotive air bags inflate when a sample of...Ch. 4 - Urea, CO( NH2)2, is manufactured on a large scale...Ch. 4 - In an accident, a solution containing 2.5 kg of...Ch. 4 - A compact car gets 37.5 miles per gallon on the...Ch. 4 - What volume of 0.750 M hydrochloric acid solution...Ch. 4 - What volume of a 0.2089 M Kl solution contains...Ch. 4 - A mordant is a substance that combines with a dye...Ch. 4 - The toxic pigment called white lead, Pb3(OH)2(...Ch. 4 - The following quantities are placed in a...Ch. 4 - What is the limiting reactant in a reaction that...Ch. 4 - Which of the postulates of Dalton’s atomic theory...Ch. 4 - A student isolated 25 g of a compound following a...Ch. 4 - A sample of 0.53 g of carbon dioxide was obtained...Ch. 4 - Freon-12, CCl2F2, is prepared from CCl4 by...Ch. 4 - Citric acid, C6H5CH3, a component of jams,...Ch. 4 - Toluene, C6H5CH3, is oxidized by air under...Ch. 4 - In a laboratory experiment, the reaction of 3.0...Ch. 4 - Outline the steps needed to solve the following...Ch. 4 - Outline the steps needed to determine the limiting...Ch. 4 - Outline the steps needed to determine the limiting...Ch. 4 - What is the limiting reactant when 1.50 g of...Ch. 4 - Uranium can be isolated from its ores by...Ch. 4 - How many molecules of C2H4Cl2 can be prepared from...Ch. 4 - How many molecules of the sweetener saccharin can...Ch. 4 - The phosphorus pentoxide used to produce...Ch. 4 - Would you agree to buy 1 trillion...Ch. 4 - What volume of 0.0105-M HBr solution is required...Ch. 4 - Titration of a 20.0-mL sample of acid rain...Ch. 4 - What is the concentration of NaCl in a solution if...Ch. 4 - In a common medical laboratory determination of...Ch. 4 - Potatoes can be peeled commercially by soaking...Ch. 4 - A sample of gallium bromide, GaBr3, weighing 0....Ch. 4 - The principal component of mothballs is...Ch. 4 - A 0.025-g sample of a compound composed of boron...Ch. 4 - Sodium bicarbonate (baking soda), NaHCO3, can be...Ch. 4 - What volume of 0.600 M HCl is required to react...Ch. 4 - What volume of 0.08892 M HNO3 is required to react...Ch. 4 - What volume of a 0.3300-M solution of sodium...Ch. 4 - What volume of a 0.00945-M solution of potassium...Ch. 4 - A sample of solid calcium hydroxide, Ca(OH)2, is...Ch. 4 - What mass of Ca(OH)2 will react with 25.0 g of...Ch. 4 - How many milliliters of a 0.1500-M solution of KOH...Ch. 4 - Potassium acid phthalate, KNaC8H4O4, or KHP, is...Ch. 4 - The reaction of WCl6 with Al at ~400 C gives black...
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- Antacids Magnesium hydroxide is an ingredient in some antacids. Antacids react with excess hydrochloric acid in the stomach to relieve indigestion. Mg(OH)2+HClMgCl2+H2O a. Balance the reaction of Mg(OH)2 with HCI. b. Write the mole ratio that would be used to determine the number of moles of MgCl2 produced when HCI reacts with Mg(OH)2 .arrow_forwardA product weighing 14.37g was isolated from a reaction. The amount of product possible according to a calculation was 17.55g. What was the percentage yield?arrow_forwardCryolite (Na3AlF6) is used in the production of aluminumfrom its ores. It is made by the reaction 6NaOH+Al2O3+12HF2Na3AlF6+9H2O Calculate the mass of cryolite that can be prepared by thecomplete reaction of 287gAl2O3 .arrow_forward
- A solution containing 1.63g of barium chloride is added to a solution containing 2.40g of sodium chromate chromate ion, CrO42. Find the mass in grams of barium chromate that can precipitate. Also determine which reactant was in excess, as well as the mass in grams in excess of the amount required by the limiting reactant.arrow_forwardMethanol, CH3OH, is used in racing cars because it is a clean-burning fuel. It can be made by this reaction: CO(g)+2H2(g)CH3OH(l) What is the percentage yield if 5.0103gH2 reacts with excess CO to form 3.5104gCH3OH ?arrow_forwardApply When a campfire begins to die down and smolder, you can rekindle the flame by fanning the fire. Explain, in terms of stoichiometry, why the fire again begins 10 flare up when fanned.arrow_forward
- 4.10 How many moles of oxygen can be obtained by the decomposition of 7.5 mol of reactant in each of the following reactions? 2KClO32KCl+3O2 2H2O22H2O+O2 2HgO2Hg+O2 2NaNO32NaNO2+O2 KClO4KCl+2O2arrow_forwardCalcium propionate is sometimes added to bread to retard spoilage. This compound can be prepared by the reaction of calcium carbonate, CaCO3, with propionic acid, C2H5CO2H, which has properties similar to those of acetic acid. Write the balanced equation for the formation of calcium propionate.arrow_forward4.23 In the reaction of arsenic with bromine, AsBr5 will form only when excess bromine is present. Write a balanced chemical equation for this reaction. Determine the minimum number of motes of bromine that are needed if 9.6 moles of arsenic is present.arrow_forward
- Although many sulfate salts are soluble in water, calcium sulfate is not (Table 7. 1). Therefore, a solution of calcium chloride will react with sodium sulfate solution to produce a precipitate of calcium sulfate. The balanced equation is :math>CaCl2(aq)+Na2SO4(aq)CaSO4(s)+2NaCl(aq) a solution containing 5.21 g of calcium chloride is combined with a solution containing 4.95 g of sodium sulfate, which is the limiting reactant? Which reactant is present in excess?arrow_forwardOutline the steps needed to determine the limiting reactant when 0.50 mol of Cr and 0.75 mol of H3PO4 react according to the following chemical equation. 2Cr+2H3PO42CrPO4+3H2 Determine the limiting reactant.arrow_forwardCitric acid, C6H5CH3, a component of jams, jellies, and fruity soft drinks, is prepared industrially via fermentation of sucrose by the mold Aspergillus niger . The equation representing this reaction is C12H22O11+H2O+3O22C6H8O7+4H2O What mass of citric acid is produced from exactly 1 metric ton (1.000103kg) of sucrose if the yield is 92.30%?arrow_forward
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