Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 3, Problem 5QAP
A cube of sodium has length 1.25 in. How many atoms are in that cube? (Note:
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Chapter 3 Solutions
Chemistry: Principles and Reactions
Ch. 3 - One chocolate chip used in making chocolate chip...Ch. 3 - The meat from one hazelnut has a mass of 0.985 g....Ch. 3 - Determine (a) the mass of 0.429 mol of gold. (b)...Ch. 3 - How many electrons are in (a) an ion of Sc3+? (b)...Ch. 3 - A cube of sodium has length 1.25 in. How many...Ch. 3 - Prob. 6QAPCh. 3 - Calculate the molar masses (in grams per mole) of...Ch. 3 - Calculate the molar mass (in grams/mol) of (a)...Ch. 3 - Convert the following to moles. (a) 4.00103g of...Ch. 3 - Convert to moles. (a) 128.3 g of sucralose,...
Ch. 3 - Calculate the mass in grams of 3.839 moles of (a)...Ch. 3 - Calculate the mass in grams of 1.35 mol of (a)...Ch. 3 - Complete the following table for TNT...Ch. 3 - Complete the following table for citric acid,...Ch. 3 - Household ammonia used for cleaning contains about...Ch. 3 - Prob. 16QAPCh. 3 - What is the molarity of each ion present in...Ch. 3 - What is the molarity of each ion present in...Ch. 3 - How would you prepare from the solid and pure...Ch. 3 - Starting with the solid and adding water, how...Ch. 3 - You are asked to prepare a 0.8500 M solution of...Ch. 3 - An experiment calls for a 0.4500 M solution of...Ch. 3 - Prob. 23QAPCh. 3 - Twenty-five mL of a 0.388 M solution of Na2SO4 is...Ch. 3 - Turquoise has the following chemical formula:...Ch. 3 - Diazepam is the addictive tranquilizer also known...Ch. 3 - Small amounts of tungsten (W) are usually added to...Ch. 3 - Allicin is responsible for the distinctive taste...Ch. 3 - The active ingredient in Pepto-Bismo® (an over-...Ch. 3 - The active ingredient in some antiperspirants is...Ch. 3 - Combustion analysis of 1.00 g of the male sex...Ch. 3 - Hexachlorophene, a compound made up of atoms of...Ch. 3 - A compound NiX3 is 19.67% (by mass) nickel. What...Ch. 3 - A compound R2O3 is 32.0% oxygen. What is the molar...Ch. 3 - Manganese reacts with fluorine to form a fluoride....Ch. 3 - Nickel reacts with sulfur to form a sulfide. If...Ch. 3 - Determine the simplest formulas of the following...Ch. 3 - Determine the simplest formulas of the following...Ch. 3 - Nicotine is found in tobacco leaf and is mainly...Ch. 3 - Prob. 40QAPCh. 3 - Beta-blockers are a class of drug widely used to...Ch. 3 - Saccharin is the active ingredient in many...Ch. 3 - Hexamethylenediamine (MM=116.2g/mol), a compound...Ch. 3 - Prob. 44QAPCh. 3 - Epsom salts are hydrated crystals of magnesium...Ch. 3 - Sodium borate decahydrate, Na2B4O710H2O is...Ch. 3 - Balance the following equations: (a)...Ch. 3 - Balance the following equations: (a)...Ch. 3 - Write balanced equations for the reaction of...Ch. 3 - Write balanced equations for the reaction of...Ch. 3 - Write a balanced equation for (a) the combustion...Ch. 3 - Write a balanced equation for the reaction between...Ch. 3 - Cyanogen gas, C2N2, has been found in the gases of...Ch. 3 - Ammonia reacts with a limited amount of oxygen...Ch. 3 - One way to remove nitrogen oxide (NO) from...Ch. 3 - Phosphine gas reacts with oxygen according to the...Ch. 3 - The combustion of liquid chloroethylene, C2H3Cl,...Ch. 3 - Sand is mainly silicon dioxide. When sand is...Ch. 3 - When copper(II) oxide is heated in hydrogen gas,...Ch. 3 - Prob. 60QAPCh. 3 - Prob. 61QAPCh. 3 - When corn is allowed to ferment, the fructose in...Ch. 3 - Consider the hypothetical reaction...Ch. 3 - Consider the hypothetical reaction...Ch. 3 - When solid phosphorus (P4) reacts with oxygen gas,...Ch. 3 - Chlorine and fluorine react to form gaseous...Ch. 3 - When potassium chlorate is subjected to high...Ch. 3 - When iron and steam react at high temperatures,...Ch. 3 - When solid silicon tetrachloride reacts with...Ch. 3 - The first step in the manufacture of nitric acid...Ch. 3 - Tin(IV) chloride is used as an external coating on...Ch. 3 - A student prepares phosphorous acid, H3PO3, by...Ch. 3 - Cisplatin, Pt(NH3)2Cl2, is a chemotherapeutic...Ch. 3 - Magnesium ribbon reacts with acid to produce...Ch. 3 - Iron reacts with oxygen. Different masses of iron...Ch. 3 - Acetic acid (HC2H3O2) can be prepared by the...Ch. 3 - Prob. 77QAPCh. 3 - The reaction between compounds made up of A...Ch. 3 - Represent the following equation pictorially (see...Ch. 3 - Nitrogen reacts with hydrogen to form ammonia....Ch. 3 - Consider the following diagram, where atom X is...Ch. 3 - Box A contains 36 atoms of arsenic (As) and 27...Ch. 3 - One mol of ammonia reacts with 1.00 mol of oxygen...Ch. 3 - Suppose that the atomic mass of C-12 is taken to...Ch. 3 - Suppose that Si28(1428Si) is taken as the standard...Ch. 3 - Answer the questions below, using LT (for is less...Ch. 3 - Determine whether the statements given below are...Ch. 3 - Chlorophyll, the substance responsible for the...Ch. 3 - By x-ray diffraction it is possible to determine...Ch. 3 - A 5.025-g sample of calcium is burned in air to...Ch. 3 - A mixture of potassium chloride and potassium...Ch. 3 - A sample of an oxide of vanadium weighing 4.589 g...Ch. 3 - A sample of cocaine, C17H21O4N, is diluted with...Ch. 3 - A 100.0-g mixture made up of NaCl03, Na2CO3, NaCl,...Ch. 3 - An alloy made up of iron (52.6%), nickel (38.0%),...
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- A certain metal, M, forms two oxides, M2O and MO. If the percent by mass of M in M2O is 73.4%, calculate the percent by mass in MO.arrow_forwardThe mass spectrum of phosphoryl chloride. POF3, is illustrated here. (a) Identify the cation fragment at a m/Z ratio of 85. (b) Identify the cation fragment at a m/Z ratio of 69. (c) Which two peaks in the mass spectrum provide evidence that the oxygen atom is connected to the phosphorus atom and is not connected to any of the three fluorine atoms?arrow_forwardThe element bromine is Br2, so the mass of a Br2 molecule is the sum of the mass of its two atoms. Bromine has two isotopes. The mass spectrum of Br2 produces three peaks with relative masses of 157.836, 159.834, and 161.832, and relative heights of 6.337, 12.499. and 6.164, respectively. (a) What isotopes of bromine are present in each of the three peaks? (b) What is the mass of each bromine isotope? (c) What is the average atomic mass of bromine? (d) What is the abundance of each of the two bromine isotopes?arrow_forward
- What is the mass of one 16O atom, in grams? (The mass of an 16O atom is 15.995 u.)arrow_forwardThe mass spectrum of CH3Cl is illustrated here. You know that carbon has two stable isotopes, and 13C with relative abundances of 98.9% and 1.1%, respectively, and chlorine has two isotopes, 35a and 37CI with abundances of 75.77% and 24.23%, respectively. (a) What molecular species gives rise to the lines at m/Z of 50 and 52? Why is the line at 52 about 1/3 the height of the line at 50? (b) What species might be responsible for the line at m/Z = 51?arrow_forwardStibnite, Sb2S3, is a dark gray mineral from which antimony metal is obtained. What is the mass percent of antimony in the sulfide? If you have 1.00 kg of an ore that contains 10.6% antimony, what mass of Sb2S3 (in grams) is in the ore?arrow_forward
- Consider the following data for three binary compounds of hydrogen and nitrogen: %H (by Mass) %N (by Mass) I 17.75 82.25 II 12.58 87.42 III 2.34 97.66 When 1.00 L of each gaseous compound is decomposed to its elements, the following volumes of H2(g) and N2(g) are obtained: H2(L) N2(L) I 1.50 0.50 II 2.00 1.00 III 0.50 1.50 Use these data to determine the molecular formulas of compounds I, II, and III and to determine the relative values for the atomic masses of hydrogen and nitrogen.arrow_forwardThere are 1.699 1022 atoms in 1.000 g of chlorine. Assume that chlorine atoms are spheres of radius 0.99 and that they are lined up side by side in a 0.5-g sample. How many miles in length is the line of chlorine atoms in the sample?arrow_forwardWhen a sample of phosphorus burns in air, the compound P4O10 forms. One experiment showed that 0.744 g of phosphorus formed 1.704 g of P4O10. Use this information to determine the ratio of the atomic weights of phosphorus and oxygen (mass P/mass O). If the atomic weight of oxygen is assumed to be 16.000, calculate the atomic weight of phosphorus.arrow_forward
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