Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 54RGQ

Suppose your bedroom is 18 ft long and 15 ft wide, and the distance from floor to ceiling is 8 ft 6 in. You need to know the volume of the room in metric units for some scientific calculations.

(a) What is the room's volume in cubic meters? In liters?

(b) What is the mass of air in the room in kilograms? In pounds? (Assume the density of air is 1.2 g/L and that the room is empty of furniture.)

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The volume of the room in cubic meters and liters has to be given.

Concept Introduction:

Density: is a characteristic property of a substance.  The density of a substance is the relationship between the mass of the substance and how much space it takes up (volume).

  Density = MassVolume

Answer to Problem 54RGQ

Volume in liters is 65.41×103 L

Explanation of Solution

The volume of the room in cubic meters and litres is given,

  Calculate the volume of room:_Volume of a room is l×h×w  Given: length = 18ft = 5.4864m ,            wide = 15 ft = 4.572 m,            height = 8 ft 6 in = 2.5904 mVolume  = 5.49 m ×4.6 m ×2.59 m = 65.41m3Conversion of units:_Given: Volume = 65.41m3Known: 1 m3 = 103 LWhereas,65.41m3 is  = 65.41m3×103 L1 m3=65.41×103 L             =65.41×103 L.

The volume in cubic liters is 65.41×103 L

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The volume of the room in cubic meters and liters has to be given.

Concept Introduction:

Density: is a characteristic property of a substance.  The density of a substance is the relationship between the mass of the substance and how much space it takes up (volume).

  Density = MassVolume

Answer to Problem 54RGQ

Mass of air in kilogram is 78.492 Kg and in pounds is 0.1730 pounds.

Explanation of Solution

The mass of air is calculated as,

  Calculate the mass of air:_Given: Density = 1.2 g/L ; Volume = 65.41×103 LKnown: Density = MassVolumeWhereas,Mass = Density×Volume   = 1.2 g/L× 65.41×103 L  =78.492×103g.Conversion of units:_Known:1g = 0.001 kgWhereas, 78.492×103g is,(78.492×103g)(0.001 kg)1g = 78.492 Kg.Conversion of units:_Known:1g = 0.00220462 poundWhereas, 78.492×103g is,(78.492×103g)(0.00220462 pound)1g = 0.1730 pounds.

The obtained mass in kilograms and pounds are shown above.

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Chapter 1 Solutions

Chemistry & Chemical Reactivity

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
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