Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 1, Problem 47RGQ
(a)
Interpretation Introduction
Interpretation: The mass percentage upon popping has to be given.
Concept Introduction:
Mass percentage:
One way of representing the concentration of an element in a compound or a component in a mixture.
(b)
Interpretation Introduction
Interpretation: The number of kernels present in pound of popcorn has to be given.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
(A)18.7g NO2
express your answer in moles to three significant figures.
(B)1.88 kgCO2
express your answer in moles to three significant figures.
(C) 48.8 g KNO3
express your answer in moles to three significant figures.
(D) 116.2 kgNa2SO4
express your answer in moles to four significant figures.
1b.
You are given 8.16 g of an unknown mixture of ethane gas and oxygen gas. You burn the unknown mixture in a sealed container and recover 0.788 g of water and also recover some carbon dioxide and ethane gas.
(v) What was the mass of oxygen gas in the unknown mixture?
(w) What was the mass of ethane gas in the unknown mixture?
(x) What was the mass percent of oxygen gas in the unknown mixture?
Chapter 1 Solutions
Chemistry & Chemical Reactivity
Ch. 1.5 - Prob. 1.1CYUCh. 1.6 - Prob. 1.2CYUCh. 1.6 - Identify whether each of the following properties...Ch. 1.7 - Identify whether each of the following is a...Ch. 1.8 - Much has been written about CO2.What is its name?Ch. 1.8 - Prob. 1.2ACPCh. 1.8 - Prob. 1.3ACPCh. 1.8 - The spines of the sea urchin, corals, and...Ch. 1 - In the following scenario, identify which of the...Ch. 1 - State whether the following is a hypothesis,...
Ch. 1 - What is meant by the phrase sustainable...Ch. 1 - Prob. 4PSCh. 1 - Prob. 5PSCh. 1 - Prob. 6PSCh. 1 - Give the name of each of the following elements:...Ch. 1 - Give the name of each of the following elements:...Ch. 1 - Give the symbol for each of the following...Ch. 1 - Give the symbol for each of the following...Ch. 1 - In each of the following pairs, decide which is an...Ch. 1 - In each of the following pairs, decide which is an...Ch. 1 - An 18 g sample of water is decomposed into 2 g of...Ch. 1 - A sample of the compound magnesium oxide is...Ch. 1 - In each case, decide if the underlined property is...Ch. 1 - In each case, decide if the change is a chemical...Ch. 1 - Which part of the description of a compound or...Ch. 1 - Which part of the description of a compound or...Ch. 1 - The flashlight in the photo does not use...Ch. 1 - A solar panel is pictured in the photo. When light...Ch. 1 - Determine which of the following represent...Ch. 1 - Prob. 22PSCh. 1 - A hot metal block is plunged into water in a...Ch. 1 - A book is held at a height above the floor. It has...Ch. 1 - Prob. 25GQCh. 1 - Iron pyrite (fool's gold, page 11) has a shiny...Ch. 1 - Which observations below describe chemical...Ch. 1 - Which observations below describe chemical...Ch. 1 - The mineral fluorite contains the elements calcium...Ch. 1 - Azurite, a blue, crystalline mineral, is composed...Ch. 1 - You have a solution of NaCI dissolved in water....Ch. 1 - Small chips of iron are mixed with sand (see...Ch. 1 - Identify the following as either physical changes...Ch. 1 - Identify the following as either physical changes...Ch. 1 - In Figure 1.2 you see a piece of salt and a...Ch. 1 - In Figure 1.5 you see macroscopic and particulate...Ch. 1 - Prob. 37GQCh. 1 - The following photo shows copper balls, immersed...Ch. 1 - Categorize each of the following as an element, a...Ch. 1 - Categorize each of the following as an element, a...Ch. 1 - Make a drawing, based on the kinetic-molecular...Ch. 1 - Make a drawing, based on the kinetic-molecular...Ch. 1 - Hexane (C6H14, density = 0.766 g/cm3),...Ch. 1 - You have a sample of a white crystalline substance...Ch. 1 - You can figure out whether a solid floats or sinks...Ch. 1 - You are given a sample of a silvery metal. What...Ch. 1 - Milk in a glass bottle was placed in the freezing...Ch. 1 - Describe an experimental method that can be used...Ch. 1 - Diabetes can alter the density of urine, so urine...Ch. 1 - Prob. 50GQCh. 1 - The following photo shows the element potassium...Ch. 1 - Prob. 52GQCh. 1 - Four balloons are each filled with a different...Ch. 1 - Prob. 54GQCh. 1 - The photo below shows elemental iodine dissolving...Ch. 1 - A few years ago a young chemist in Vienna,...Ch. 1 - The distance between two carbon atoms in diamond...Ch. 1 - A student checked the accuracy of two standard...Ch. 1 - Prob. 3RCYUCh. 1 - The density of gold is 19,320 kg/m3. What is this...Ch. 1 - A particular paint has a density of 0.914 g/cm3....Ch. 1 - What is the fuel density in units of kg/L?Ch. 1 - What mass and what volume of fuel should have been...Ch. 1 - Confirm that a person swimming at the world record...Ch. 1 - At this world record rate, how long would it take...Ch. 1 - Prob. 2.3RACh. 1 - Many laboratories use 25C as a standard...Ch. 1 - The temperature on the surface of the Sun is 5.5 ...Ch. 1 - Prob. 3RPSCh. 1 - Make the following temperature conversions:Ch. 1 - A marathon distance race covers distance of 42.195...Ch. 1 - The average lead pencil, new and unused, is 19 cm...Ch. 1 - A standard U.S. postage stamp is 2.5 cm long and...Ch. 1 - A compact disc has a diameter of 11.8 cm. What is...Ch. 1 - A typical laboratory beaker has a volume of 250....Ch. 1 - Some soft drinks are sold in bottles with a volume...Ch. 1 - A book has a mass of 2.52 kg. What is this mass in...Ch. 1 - A new U.S. dime has a mass of 2.265 g. What is its...Ch. 1 - Ethylene glycol, C2H6O2, is an ingredient of...Ch. 1 - A piece of silver metal has a mass of 2.365 g. If...Ch. 1 - Prob. 15RPSCh. 1 - Which occupies a larger volume, 600 g of water...Ch. 1 - You are on a diet that calls for eating no more...Ch. 1 - A 2-in. piece of chocolate cake with frosting...Ch. 1 - Prob. 19RPSCh. 1 - Prob. 20RPSCh. 1 - You and your lab partner are asked to determine...Ch. 1 - The accepted value of the melting point of...Ch. 1 - Prob. 23RPSCh. 1 - Prob. 24RPSCh. 1 - Prob. 25RPSCh. 1 - Prob. 26RPSCh. 1 - To determine the average mass of a popcorn kernel,...Ch. 1 - Use the following graph to answer the following...Ch. 1 - Use the graph below to answer the following...Ch. 1 - Solve the following equation for the unknown...Ch. 1 - Solve the following equation for the unknown...Ch. 1 - Solve the following equation for the unknown...Ch. 1 - Prob. 34RPSCh. 1 - Molecular distances are usually given in...Ch. 1 - The separation between carbon atoms in diamond is...Ch. 1 - A red blood cell has a diameter of 7.5 m...Ch. 1 - The platinum-containing cancer drug cisplatin...Ch. 1 - Prob. 39RGQCh. 1 - You need a cube of aluminum with a mass of 7.6 g....Ch. 1 - You have a 250.0-mL graduated cylinder containing...Ch. 1 - Prob. 42RGQCh. 1 - The smallest repeating unit of a crystal of common...Ch. 1 - Diamond has a density of 3.513 g/cm3. The mass of...Ch. 1 - Prob. 45RGQCh. 1 - The density of pure water at various temperatures...Ch. 1 - Prob. 47RGQCh. 1 - The aluminum in a package containing 75 ft2 of...Ch. 1 - Fluoridation of city water supplies has been...Ch. 1 - About two centuries ago, Benjamin Franklin showed...Ch. 1 - Prob. 51RGQCh. 1 - A 26-meter-tall statue of Buddha in Tibet is...Ch. 1 - At 25 C, the density of water is 0.997 g/cm3,...Ch. 1 - Suppose your bedroom is 18 ft long and 15 ft wide,...Ch. 1 - A spherical steel ball has a mass of 3.475 g and a...Ch. 1 - You are asked to identify an unknown liquid that...Ch. 1 - You have an irregularly shaped piece of an unknown...Ch. 1 - There are five hydrocarbon compounds (compounds of...Ch. 1 - Suppose you have a cylindrical glass tube with a...Ch. 1 - Copper: Copper has a density of 8.96 g/cm3 An...Ch. 1 - Copper: (a) Suppose you have a cube of copper...Ch. 1 - You set out to determine the density of lead in...Ch. 1 - A sample of unknown metal is placed in a graduated...Ch. 1 - Iron pyrite is often called fool's gold because it...Ch. 1 - You can analyze for a copper compound in water...Ch. 1 - Prob. 67RIL
Knowledge Booster
Similar questions
- 3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1 mole of sand (ignoring the space between grains)? What is the volume in liters?arrow_forward(a) Atoms are very small compared to objects on the macroscopic scale. The radius of a aluminum atom is 143 pm. What is this value in meters and in centimeters? m cm (b) The mass of a single aluminum atom is 4.48×10-23 g. Suppose enough Al atoms were lined up like beads on a string to span a distance of 37.7 cm (15 inches). How many atoms would be required? atoms What mass in grams of Al would be used? g Could you weigh out this amount of aluminum using a typical laboratory balance? (c) Taking the density of aluminum metal to be 2.70 g/cm³, calculate the mass of metal needed to form a piece of Al wire with the same length as the distance in b, but with a diameter of 1.00 mm. Hint: The volume of a cylinder is n times its radius squared times its height. (V = n r² h) How many aluminum atoms does this represent? g atomsarrow_forwardMagnesium oxide (MgO) forms when the metal magnesium burns in air. (a) If 1.44 g of MgO contains 0.870 g of Mg, what is the mass ratio of magnesium to magnesium oxide? Mg to MgO (b) How many grams of Mg are in 666 g of MgO? g Mgarrow_forward
- Container A and Container B were filled completely with chicken powder. The total mass of 1/3 of the chicken powder in Container B and 1/11 of the chicken powder in Container A was 570 g. If 5/11 of the chicken powder in Container A was poured out, the total mass of the chicken powder in both containers became 2.28 kg. How much chicken powder was in (a) Container A in grams? (b) Container B in grams?arrow_forwardCombining one atom of carbon with two atoms of oxygen produces one molecule of carbon dioxide, along with 6.5 x 10-19 J of energy. In 2019, the United States burned enough coal to supply 1.1 x 1019 J of energy. Assuming that coal is roughly 100% carbon, how many molecules of carbon dioxide did the U.S. produce by burning coal in 2019? Less than 1036 molecules of carbon dioxide. Between 1036 and 1038 molecules of carbon dioxide. Between 1038 and 1040 molecules of carbon dioxide. More than 1040 molecules of carbon dioxide.arrow_forward(d) Complete the following statements: (i) The three are solid, liquid and (ii) The three scales are degree Celsius, Kelvin and (iii) Pure substances have a composition whereas mixtures have a composition. Homogeneous mixtures have a composition. When a solute is in water, the homogeneous mixture formed is called (iv) CoSO4 is whereas CoSO4:7H2O is (v) NaF(s) contains an bond. bond whereas H2(g) contains a (vi) To remove the water molecules from CUSO4 5H2O we heat the sample of this compound with a which has a blue flame and we cool the sample in a which contains silica gel. (vii) The Group 8A (Group 18) elements are collectively known as 3arrow_forward
- Be sure to answer all parts. (a) Calculate the number of oxygen molecules and the number of oxygen atoms in 39.5 g of O2. oxygen molecules = × 10 oxygen atoms = × 10 Enter your answers in scientific notation. (b) Calculate the mass of 9.17 ×1014 SO3 molecules. × 10 g Enter your answer in scientific notation.arrow_forward3) A technique once used by geologists to measure the density of a mineral is to mix two dense liquids in such proportions that the mineral grains just float. When a sample of the mixture in which the mineral calcite just floats is put in a special density bottle, the weight is 15.4448 g. When empty, the bottle weighs 12.4631 g, and when filled with water, it weighs 13.5441 g. What is the density of the calcite sample? (All measurements were carried ter at 25 °C out at 25 °C, and the density of wa is 0.9970 g>mL)arrow_forwardBe sure to answer all parts. Urea, chemical formula (NH,)½CO, is used for fertilizer and many other things. Calculate the number of N, C, O, and H atoms in 1.68 x 10* g of urea. Enter your answers in scientific notation. (a) Nitrogen, N x 10 atoms (b) Carbon, x 10 atoms (c) Oxygen, x 10 atoms (d) Hydrogen, H x 10 atomsarrow_forward
- What is the volume, in cubic centimeters (cm^3) of 1.00 kilograms of gold?arrow_forwardMethanol (CH3OH) is a liquid at room temperature with a density of 7.91 ×102 kg/m³. In a certain experiment, from the reaction of 2.91 mL of methanol with 2.88 g of oxygen, 2.27 g of carbon dioxide was obtained. (а) (b) What type(s) of chemical reaction is (are) occurring in this experiment? What equipment do you think was used to measure the volume of methanol in this experiment? Calculate the percent yield of the carbon dioxide in this experiment. (c)arrow_forwardPlease all questions answer itarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
World of Chemistry, 3rd edition
Chemistry
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Brooks / Cole / Cengage Learning
Introductory Chemistry: An Active Learning Approa...
Chemistry
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Cengage Learning