Student Study Guide for Chemistry
3rd Edition
ISBN: 9780077574291
Author: Julia Burdge
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Question
Chapter 3.9, Problem 1PPC
Interpretation Introduction
Interpretation: The empirical formula of the compounds are to be determined, based on the given informationand the reason that combustion analysis of two different compounds can produce the same products is to be explained.
Concept introduction:
Empirical formula is the formula having the simplest whole number ratios of atoms present in a compound.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Practice
1. Write the complete balanced reaction for the following and identify the type of reaction
Iron (III) carbonate breaks apart into Iron (III) oxide and carbon dioxide
2. Write the complete balanced reaction for the following and identify the type of reaction
aluminum chloride reacts with sodium hydroxide to form aluminum hydroxide and sodium chloride
3. Write the complete balanced reaction for the following and identify the type of reaction
methane (carbon tetrahydride) reacts with oxygen gas to produce carbon dioxide and water
Practice: DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction:
2C 6H5Cl + C 2HOCl3 → C14H9Cl5 + H2O
chlorobenzene chloral DDT
In a government lab, 1142 g of chlorobenzene is reacted with 485 g of chloral.
a. What mass of DDT is formed, assuming 100% yield?b. Which reactant is limiting? Which is in excess?c. What mass of the excess reactant is left over?d. If the actual yield of DDT is 200.0 g, what is the percent yield?
▶ Practice Exercise 2Imagine you are working on ways to improve the process bywhich iron ore containing Fe2O3 is converted into iron:Fe2O31s2 + 3 CO1g2¡2 Fe1s2 + 3 CO21g2(a) If you start with 150 g of Fe2O3 as the limiting reactant,what is the theoretical yield of Fe?(b) If your actual yield is 87.9 g, what is the percent yield?
Chapter 3 Solutions
Student Study Guide for Chemistry
Ch. 3.1 - Practice ProblemATTEMPT Calculate the molecular or...Ch. 3.1 - Practice Problem BUILD
Calculate the molecular or...Ch. 3.1 - Practice ProblemCONCEPTUALIZE Some...Ch. 3.1 - What is the molecular mass of citric acid ( H 3 C...Ch. 3.1 - 3.1.2 What is the formula mass of calcium citrate...Ch. 3.2 - Practice Problem ATTEMPT
Determine the percent...Ch. 3.2 - Practice Problem BUILD
Determine the simplest...Ch. 3.2 - Practice Problem CONCEPTUALIZE
Determine the...Ch. 3.2 - 3.2.1 What is the percent composition by mass of...Ch. 3.2 - What is the percent composition by mass of sodium...
Ch. 3.3 - Prob. 1PPACh. 3.3 - Practice Problem BUILD
Write and balance the...Ch. 3.3 - Practice ProblemCONCEPTUALIZE Write a balanced...Ch. 3.3 - What are the stoichiometric coefficients in the...Ch. 3.3 - 3.3.2 Which chemical equation represents the...Ch. 3.3 - 3.3.3 Which is the correctly balanced form of the...Ch. 3.3 - 3.3.4 Carbon monoxide reacts with oxygen to...Ch. 3.4 - Prob. 1PPACh. 3.4 - Practice Problem BUILD
Write and balance the...Ch. 3.4 - Prob. 1PPCCh. 3.4 - How many molecules are in 30 .1 g of sulfur...Ch. 3.4 - How many moles of hydrogen are there in 6 .50 g of...Ch. 3.4 - 3.4.3 Determine the empirical formula of a...Ch. 3.4 - Determine the empirical formula of a compound that...Ch. 3.5 - Practice ProblemATTEMPT Potassium is the second...Ch. 3.5 - Practice Problem BUILD
Calculate (a) the number...Ch. 3.5 - Practice Problem CONCEPTUALIZE
These diagrams show...Ch. 3.5 - What is the empirical formula of a compound...Ch. 3.5 - 3.5.2 What are the empirical and molecular...Ch. 3.5 - 3.5.3 Determine the masses of and produced by...Ch. 3.5 - How is it possible for the combined masses of CO 2...Ch. 3.6 - Prob. 1PPACh. 3.6 - Practice Problem BUILD
(a) Determine the mass of...Ch. 3.6 - Practice ProblemCONCEPTUALIZE Plain doughnuts from...Ch. 3.6 - 3.6.1 How many moles of will be produced if Li...Ch. 3.6 - 3.6.2 Determine the stoichiometric amount (in...Ch. 3.7 - Prob. 1PPACh. 3.7 - Practice ProblemBUILD (a) Determine the number of...Ch. 3.7 - Practice ProblemCONCEPTUALIZE A particular...Ch. 3.7 - 3.7.1 What mass of is produced according to the...Ch. 3.7 - 3.7.2 What is the percent yield for a process in...Ch. 3.7 - How many moles of NH 3 can be produced by the...Ch. 3.7 - What mass of water is produced by the reaction of...Ch. 3.7 - Reactants A (red) and B (blue) combine to form a...Ch. 3.7 - Which of the following represents the contents of...Ch. 3.8 - Practice ProblemATTEMPT Determine the empirical...Ch. 3.8 - Practice ProblemBUILD Determine the empirical...Ch. 3.8 - Practice ProblemCONCEPTUALIZE What is the smallest...Ch. 3.9 - Practice ProblemATTEMPT The combustion of a 28...Ch. 3.9 - Practice ProblemBUILD Determine the mass of CO 2...Ch. 3.9 - Prob. 1PPCCh. 3.10 - Prob. 1PPACh. 3.10 - Prob. 1PPBCh. 3.10 - Prob. 1PPCCh. 3.11 - Practice ProblemATTEMPT Calculate the mass of...Ch. 3.11 - Practice Problem BUILD
What mass of glucose must...Ch. 3.11 - Prob. 1PPCCh. 3.12 - Prob. 1PPACh. 3.12 - Prob. 1PPBCh. 3.12 - Practice ProblemCONCEPTUALIZE The diagrams show a...Ch. 3.13 - Prob. 1PPACh. 3.13 - Practice Problem BUILD
What mass of ether will be...Ch. 3.13 - Prob. 1PPCCh. 3.14 - Prob. 1PPACh. 3.14 - Practice Problem BUILD
Using the chemical species...Ch. 3.14 - Prob. 1PPCCh. 3 - 3.1
Calculate the mass of water produced in the...Ch. 3 - 3.2
How much can be produced?
(a)
350.0...Ch. 3 - 3.3
How much can be produced?
(a)
91.51...Ch. 3 - 3.4
How much of the excess reactant remains when...Ch. 3 - What is meant by the term molecular mass, and why...Ch. 3 - Explain the difference between the terms molecular...Ch. 3 - Calculate the molecular mass (in amu) of each of...Ch. 3 - Calculate the molecular mass (in amu) of each of...Ch. 3 - Calculate the molecular mass or formula mass (in...Ch. 3 - 3.6 Calculate the molecular mass or formula mass...Ch. 3 - 3.7 Use ammonia to explain what is meant by the...Ch. 3 - 3.8 Describe how the knowledge of the percent...Ch. 3 - Tin (Sn) exists in Earth's crust as SnO 2 ....Ch. 3 - 3.10 For many years, chloroform was used as an...Ch. 3 - All the substances listed here are fertilizers...Ch. 3 - Limonene. shown here, is a by-product of the...Ch. 3 - 3.13 Tooth enamel is . Calculate the percent...Ch. 3 - A four-pack of Red Bull Energy Drink consists of...Ch. 3 - 3.15 A “variety pack" of ramen noodles consists of...Ch. 3 - Prob. 16QPCh. 3 - Prob. 17QPCh. 3 - 3.18 Why must a chemical equation be balanced?...Ch. 3 - Prob. 19QPCh. 3 - Write an unbalanced equation to represent each of...Ch. 3 - Write an unbalanced equation to represent each of...Ch. 3 - Prob. 22QPCh. 3 - For each of the following unbalanced chemical...Ch. 3 - Prob. 24QPCh. 3 - Prob. 25QPCh. 3 - Which of the following equations best represents...Ch. 3 - Prob. 27QPCh. 3 - Define the term mole. What is the unit for mole in...Ch. 3 - Prob. 29QPCh. 3 - Prob. 30QPCh. 3 - If we know the empirical formula of a compound,...Ch. 3 - Prob. 32QPCh. 3 - The thickness of a piece of paper is 0.0036 in....Ch. 3 - Prob. 34QPCh. 3 - Prob. 35QPCh. 3 - Prob. 36QPCh. 3 - How many grams of gold ( Au ) are there in 15.3...Ch. 3 - Prob. 38QPCh. 3 - Prob. 39QPCh. 3 - 3.40 What is the mass in grams of lead atoms?
Ch. 3 - Prob. 41QPCh. 3 - Prob. 42QPCh. 3 - Which of the following has a greater mass: two...Ch. 3 - Prob. 44QPCh. 3 - Prob. 45QPCh. 3 - Prob. 46QPCh. 3 - Prob. 47QPCh. 3 - Prob. 48QPCh. 3 - Prob. 49QPCh. 3 - Prob. 50QPCh. 3 - Prob. 51QPCh. 3 - Prob. 52QPCh. 3 - Prob. 53QPCh. 3 - Prob. 54QPCh. 3 - Prob. 55QPCh. 3 - Prob. 56QPCh. 3 - Prob. 57QPCh. 3 - Prob. 58QPCh. 3 - In response to invasion by a microorganism, the...Ch. 3 - Researchers recently reported that the compound in...Ch. 3 - Prob. 61QPCh. 3 - Prob. 62QPCh. 3 - 3.63 Menthol is a flavoring agent extracted from...Ch. 3 - 3.64 Ascorbic acid (vitamin C) contains C, H, and...Ch. 3 - The amino acid cysteine plays an important role in...Ch. 3 - 3.66 The diagram shows the products of a...Ch. 3 - 3.67 Which of the following diagrams could...Ch. 3 - 3.68 On what law is stoichiometry based? Why is it...Ch. 3 - Prob. 69QPCh. 3 - Prob. 70QPCh. 3 - Prob. 71QPCh. 3 - Prob. 72QPCh. 3 - Prob. 73QPCh. 3 - Prob. 74QPCh. 3 - 3.75 When baking soda (sodium bicarbonate or...Ch. 3 - Prob. 76QPCh. 3 - Prob. 77QPCh. 3 - Prob. 78QPCh. 3 - Prob. 79QPCh. 3 - Prob. 80QPCh. 3 - Prob. 81QPCh. 3 - Prob. 82QPCh. 3 - Prob. 83QPCh. 3 - Prob. 84QPCh. 3 - Prob. 85QPCh. 3 - Prob. 86QPCh. 3 - Prob. 87QPCh. 3 - Prob. 88QPCh. 3 - Prob. 89QPCh. 3 - Prob. 90QPCh. 3 - Nitroglycerin ( C 3 H 5 N 3 O 9 ) is a powerful...Ch. 3 - Prob. 92QPCh. 3 - Prob. 93QPCh. 3 - Prob. 94QPCh. 3 - Prob. 95QPCh. 3 - Prob. 96QPCh. 3 - Prob. 97QPCh. 3 - Prob. 98QPCh. 3 - Consider the reaction N 2 +3H 2 → 2NH 3 Assuming...Ch. 3 - 3.104 Determine whether each of the following...Ch. 3 - Prob. 101QPCh. 3 - Prob. 102APCh. 3 - Prob. 103APCh. 3 - Prob. 104APCh. 3 - Prob. 105APCh. 3 - Prob. 106APCh. 3 - Prob. 107APCh. 3 - 3.112 The carat is the unit of mass used by...Ch. 3 - An iron bar weighed 664 g. After the bar had been...Ch. 3 - Prob. 110APCh. 3 - Suppose you are given a cube made of magnesium...Ch. 3 - Prob. 112APCh. 3 - Prob. 113APCh. 3 - Prob. 114APCh. 3 - Calculate the number of cations and anions in each...Ch. 3 - Prob. 116APCh. 3 - 3.121 Avogadro’s number has sometimes been...Ch. 3 - Prob. 118APCh. 3 - In the formation of carbon monoxide. CO, it is...Ch. 3 - Prob. 120APCh. 3 - Prob. 121APCh. 3 - A compound made up of C, H, and Cl contains 55.0...Ch. 3 - Prob. 123APCh. 3 - Prob. 124APCh. 3 - Prob. 125APCh. 3 - Prob. 126APCh. 3 - Prob. 127APCh. 3 - 3.132 A mixture of methane and ethane of mass...Ch. 3 - Prob. 129APCh. 3 - A die has an edge length of 1.5 cm. (a) What is...Ch. 3 - Prob. 131APCh. 3 - Prob. 132APCh. 3 - A sample containing NaCl, Na 2 SO 4 , and NaNO 3...Ch. 3 - Prob. 134APCh. 3 - Prob. 135APCh. 3 - Prob. 136APCh. 3 - An impure sample of zinc (Zn) is treated with an...Ch. 3 - One of the reactions that occurs in a blast...Ch. 3 - Prob. 139APCh. 3 - Prob. 140APCh. 3 - Prob. 141APCh. 3 - 3.146 Aspirin or acetylsalicylic acid is...Ch. 3 - Prob. 143APCh. 3 - Prob. 144APCh. 3 - Lysine, an essential amino acid in the human body,...Ch. 3 - Prob. 146APCh. 3 - Prob. 147APCh. 3 - Prob. 148APCh. 3 - Prob. 149APCh. 3 - Cysteine, shown here, is one of the 20 amino acids...Ch. 3 - Prob. 151APCh. 3 - Carbon dioxide ( CO 2 ) is the gas that is mainly...Ch. 3 - Prob. 153APCh. 3 - Prob. 154APCh. 3 - Prob. 155APCh. 3 - Prob. 156APCh. 3 - 3.161 Potash is any potassium mineral that is used...Ch. 3 - Prob. 158APCh. 3 - Prob. 159APCh. 3 - Prob. 160APCh. 3 - Prob. 1SEPPCh. 3 - Prob. 2SEPPCh. 3 - Prob. 3SEPPCh. 3 - Prob. 4SEPP
Knowledge Booster
Similar questions
- PRACTICE ANOTHER C4H10 + O2 → CO2 + H2O (unbalanced)What mass of CO2 is produced in the complete combustion of 78.8 g of butane, C4H10, to CO2 and H2O? gWhat mass of oxygen is required for the complete reaction? gWhat mass of water is produced? garrow_forwardPractice Exercise 1If 3.00 g of titanium metal is reacted with 6.00 g of chlorinegas, Cl2, to form 7.7 g of titanium(IV) chloride in acombination reaction, what is the percent yield of theproduct?(a) 65% (b) 96% (c) 48% (d) 86%arrow_forwardempirical forum of a compound of carbon hydrogen and oxygen that contains 51.56 percent carbon and 14.09 hydrogen of mass?arrow_forward
- Magnetite has a chemical formula of Fe3O4. The atomic mass of iron (Fe) is 56 g/mole, and for oxygen (O) is 16 g/mole. What is the mass (in grams) of a mole of magnetite? Answer g/mole Next, consider the mass of oxygen that must be removed from a mole of magnetite during the purification process, in order to yield pure iron. What is the mass percentage of magnetite represented by pure iron? Answer % Suppose a new and potentially economic ore body has been identified. It contains 60% magnetite by mass. How much iron will a metric ton (=1000 kg) of this ore yield? Answer kg of Fe per 1 metric ton of ore. Looking for the bolded "answers" Thank You!arrow_forwardequation is 2NO(g)+2H2----> N2(g)+2H2O(g)arrow_forwardPlease answer part D PART A) What is the maximum number of moles of P2O5P2O5 that can theoretically be made from 211 gg of P4P4 and excess oxygen? Express your answer to three significant figures and include the appropriate units.=3.40 moL PART B) What is the maximum number of moles of P2O5P2O5 that can theoretically be made from 240 gg of O2O2 and excess phosphorus? Express your answer to three significant figures and include the appropriate units. =3.00moL PART C) In Part A, you found the number of moles of product (3.40 mol P2O5mol P2O5 ) formed from the given amount of phosphorus and excess oxygen. In Part B, you found the number of moles of product (3.00 mol P2O5mol P2O5 ) formed from the given amount of oxygen and excess phosphorus. Now, determine the number of moles of P2O5P2O5 is produced from the given amounts of phosphorus and oxygen. Express your answer to three significant figures and include the appropriate units. =3.00Mol PART D) What is the percent yield if…arrow_forward
- The formula for dextrose is as follows: C6H12O6. If the atomic mass of hydrogen is 1 Da, of carbon 12 Da, and of oxygen is 16 Da, what is the molecular weight (MW) of dextrose? Question options: 348 g/mole 24 g/mole 696 g/mole 180 g/molearrow_forward▶ Practice Exercise 2When a 2.00-g strip of zinc metal is placed in an aqueoussolution containing 2.50 g of silver nitrate, the reaction isZn1s2 + 2 AgNO31aq2¡2 Ag1s2 + Zn1NO3221aq2(a) Which reactant is limiting? (b) How many grams ofAg form? (c) How many grams of Zn1NO322 form? (d) Howmany grams of the excess reactant are left at the end of thereaction?arrow_forwardA 2.490 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 5.365 grams of CO2 and 2.197 grams of H2O are produced. In a separate experiment, the molar mass is found to be 102.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound. (Enter the elements in the order , , .) Please do it neat and clean correctly and provide only typed answer solution no handwritten solution needed allowedarrow_forward
- What is the percent of M in fictional compound C2M5? Element M has a molar mass of 35.14 g/mol. Show workarrow_forwardA high school student was recently diagnosed with stage 1 cancer and his specialist advised that he take the chemotherapy drug for treatment. The compound structure of this drug contains the following mass spectrometer reading percentages: 65.0 platinum, 9.34 nitrogen, 2.02 hydrogen, and 23.63 chlorine by mass and the molar mass is about 301.10 g/mol. Determine the empirical formula and the molecular formula for this chemotherapy drug and what is the name of the drug? (Show work)arrow_forwardIn today’s experiment, a combination reaction of magnesium and oxygen is used to determine the empirical formula ofmagnesium oxide. After the experiment, I need to answer the fellow two questions: #1; There is one major competitive side reaction that may reduce the accuracy of your results in this experiment. Consult the Internet to research, describe and write a balanced equation for this side reaction. (HINT: What component of air other than oxygen could be responsible?) #2; My Professor asked me match are empirical formula of magnesium oxide from my experiment with the actually one by searching it on the internet. My empirical formula of magnesium oxide from my experiment is Mg4O3 and I look up on the internet is MgO. So, I have to find out why they are different Please help me question #1,2 thank you very mucharrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co