Laboratory Experiments For Chemistry: The Central Science, Si Edition
Laboratory Experiments For Chemistry: The Central Science, Si Edition
14th Edition
ISBN: 9781292221335
Author: Theodore E. Brown
Publisher: PEARSON
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Chapter 1, Problem 1E

(a)

Interpretation Introduction

Concept introduction: The space filling molecular models represent the atoms and compounds. The same structures indicate the same atoms or compounds. Each sphere indicates an atom and the attached spheres indicate the compound.

(a)

Expert Solution
Check Mark

Answer to Problem 1E

Solution: Figure (i)

Explanation of Solution

The figure (i) represents the space filling molecular models of two spheres attached to each other with the same color.

Laboratory Experiments For Chemistry: The Central Science, Si Edition, Chapter 1, Problem 1E , additional homework tip  1

Therefore, figure (i) indicate the diatomic molecule of the same atoms in it. Thus, it corresponds to a pure element.

Conclusion

Figure (i) represent the structure corresponding to pure element.

(b)

Interpretation Introduction

Concept introduction: The space filling molecular models represent the atoms and compounds. The same structures indicate the same atoms or compounds. Each sphere indicates an atom and the attached spheres indicate the compound.

(b)

Expert Solution
Check Mark

Answer to Problem 1E

Solution: The figures that represent a mixture of two elements are (v) and (vi).

Explanation of Solution

The figures (v) and (vi) represent the space filling molecular models of two differently colored spheres apart from each other.

Laboratory Experiments For Chemistry: The Central Science, Si Edition, Chapter 1, Problem 1E , additional homework tip  2

Laboratory Experiments For Chemistry: The Central Science, Si Edition, Chapter 1, Problem 1E , additional homework tip  3

Therefore, it does not indicate any compound. Instead, it indicates the mixture of two different elements.

Conclusion

Figure (v) and (vi) represent the structures corresponding to a mixture of two elements.

(c)

Interpretation Introduction

Concept introduction: The space filling molecular models represent the atoms and compounds. The same structures indicate the same atoms or compounds. Each sphere indicates an atom and the attached spheres indicate the compound.

(c)

Expert Solution
Check Mark

Answer to Problem 1E

Solution: The figure that represents a pure compound is (iv).

Explanation of Solution

The figure (iv) represents the space filling molecular models of two spheres attached to each other with the different colors.

Laboratory Experiments For Chemistry: The Central Science, Si Edition, Chapter 1, Problem 1E , additional homework tip  4

Therefore, figure (iv) indicates the diatomic molecule of the different atoms in it. Thus, it corresponds to a pure compound.

Conclusion

Figure (iv) represents the structure corresponding to pure compound.

(d)

Interpretation Introduction

Concept introduction: The space filling molecular models represent the atoms and compounds. The same structures indicate the same atoms or compounds. Each sphere indicates an atom and the attached spheres indicate the compound.

(d)

Expert Solution
Check Mark

Answer to Problem 1E

Solution: The figures that represent a mixture of an element and a compound are (ii) and (iii).

Explanation of Solution

The figure (ii) represents a space filling molecular model of a diatomic molecule with two spheres of same color attached to each other and a compound with two spheres of different color attached to each other.

Laboratory Experiments For Chemistry: The Central Science, Si Edition, Chapter 1, Problem 1E , additional homework tip  5

Therefore, figure (ii) represents a mixture of diatomic molecule of pure element and a compound.

The figure (iii) represents a space filling molecular model of a monatomic sphere with single spheres of same color apart from each other and a compound with two spheres of different color attached to each other.

Laboratory Experiments For Chemistry: The Central Science, Si Edition, Chapter 1, Problem 1E , additional homework tip  6

Therefore, figure (iii) represents atoms of pure element and a compound.

Conclusion

Figure (ii) and (iii) represent the structures corresponding to a mixture of an element and a compound.

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Chapter 1 Solutions

Laboratory Experiments For Chemistry: The Central Science, Si Edition

Ch. 1.6 - Which of the following numbers in your personal...Ch. 1.6 - Practice Exercise 2 The back inside cover of the...Ch. 1.6 - Practice Exercise 1 An object is determined to...Ch. 1.6 - Practice Exercise 2 How many significant figures...Ch. 1.6 - Ellen recently purchased a new hybrid car and...Ch. 1.6 - Practice Exercise 2 It takes 10.5 s for a sprinter...Ch. 1.6 - Practice Exercise 1 You are asked to determine the...Ch. 1.6 - Practice Exercise 1 At a particular instant in...Ch. 1.7 - Practice Exercise 2 By using a conversion factor...Ch. 1.7 - Practice Exercise 1 Fabiola, who lives in Mexico...Ch. 1.7 - Practice Exercise 2 A car travels 28 mi per gallon...Ch. 1.7 - Practice Exercise 2 A car travels 28 mi per gallon...Ch. 1.7 - Practice Exercise 2 The surface area of Earth is...Ch. 1.7 - Practice Exercise 1 Composite decking is a...Ch. 1.7 - Practice Exercise 2 The density of the organic...Ch. 1.7 - Practice Exercise 2 If the mass of the container...Ch. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - Musical instruments like trumpets and trombones...Ch. 1 - Consider the two spheres shown here, one made of...Ch. 1 - Is the separation method used in brewing a cup of...Ch. 1 - Identify each of the following as measurements of...Ch. 1 - Three spheres of equal size are composed of...Ch. 1 - The three targets from a rifle range shown below...Ch. 1 - What is the length of the pencil in the following...Ch. 1 - How many significant figures should be reported...Ch. 1 - Consider the jar of jelly beans in the photo. To...Ch. 1 - The photo below shows a picture of an agate stone....Ch. 1 - Classify each of the following as a pure substance...Ch. 1 - Classify each of the following as a pure substance...Ch. 1 - 1.15 Give the chemical symbol or name for the...Ch. 1 - 1.16 Give the chemical symbol or name for each of...Ch. 1 - A solid white substance A is heated strongly in...Ch. 1 - 1.18 You are hiking in the mountains and find a...Ch. 1 - 1.19 In the process of attempting to characterize...Ch. 1 - 1.20 Read the following description of the element...Ch. 1 - Prob. 21ECh. 1 - A match is lit and held under a cold piece of...Ch. 1 - Which separation method is better suited for...Ch. 1 - Two beakers contain clear, colorless liquids. When...Ch. 1 - Prob. 25ECh. 1 - Prob. 26ECh. 1 - Prob. 27ECh. 1 - Prob. 28ECh. 1 - Prob. 29ECh. 1 - Prob. 30ECh. 1 - 121 What exponential notation do the following...Ch. 1 - 1.32 Use appropriate metric prefixes to write the...Ch. 1 - Make the following conversions. 72 °F to °C, 216.7...Ch. 1 - a. The temperature on a warm summer day is 87 °F....Ch. 1 - Prob. 35ECh. 1 - A cube of osmium metal 1.500 cm on a side has a...Ch. 1 - To identify a liquid substance, a student...Ch. 1 - a. After the label fell off a bottle containing a...Ch. 1 - Prob. 39ECh. 1 - 1.40 Silicon for computer chips is grown in large...Ch. 1 - Prob. 41ECh. 1 - 1.42 A watt is a measure of power (the rate of...Ch. 1 - Indicate which of the following are exact numbers;...Ch. 1 - Indicate which of the following are exact numbers:...Ch. 1 - 1.45 What is the number of significant figures in...Ch. 1 - Indicate the number of significant figures in each...Ch. 1 - 1.47 Round each of the following numbers to four...Ch. 1 - 1.48 The diameter of Earth at the equator is 7926...Ch. 1 - Carry out the following operations and express the...Ch. 1 - Carry out the following operations and express the...Ch. 1 - You weigh an object on a balance and read the mass...Ch. 1 - You have a graduated cylinder that contains a...Ch. 1 - 153 Using your knowledge of metric units, English...Ch. 1 - 1.54 Using your knowledge of metric units, English...Ch. 1 - A bumblebee flies with a ground speed of 15.2 m/s....Ch. 1 - 1 56 a The speed of light in a vacuum is 2.998 x...Ch. 1 - Perform the following conversions: 5.00 days to s,...Ch. 1 - Carry out the following conversions: 0.105 in. to...Ch. 1 - How many liters of wine can be held in a wine...Ch. 1 - If an electric car is capable of going 225 km on a...Ch. 1 - The density of air at ordinary atmospheric...Ch. 1 - 1.62 The concentration of carbon monoxide in an...Ch. 1 - Prob. 63ECh. 1 - 1.64 A copper refinery produces a copper ingot...Ch. 1 - 165 Classify ea. al the folbwing as a pure...Ch. 1 - 1.66 Which is more likely to eventually be shown...Ch. 1 - 1.67 A sample of ascorbic acid (vitamin C) is...Ch. 1 - Prob. 68AECh. 1 - SO Two students deterrmne the percen.ge of lead in...Ch. 1 - 1.70 Is Om use of significant figures in ea. of...Ch. 1 - What type of quantity (for example, length,...Ch. 1 - 1.72 Give the derived SI units for each of the...Ch. 1 - 1.73 The distance from Earth to the Moon is...Ch. 1 - 1.74 Which of the following would you characterize...Ch. 1 - 1.75 The U.S. quarter has a mass of 5.67 g and is...Ch. 1 - 1.76 In the United States, water used for...Ch. 1 - 1.77 By using estimation techniques, determine...Ch. 1 - Suppose you decide to define your own temperature...Ch. 1 - 1.79 The liquid substances mercury (density =...Ch. 1 - 1.80 Two spheres of equal volume are placed on...Ch. 1 - Water has a density of 0.997 g/cm3 at 25C ; ice...Ch. 1 - A 32.65-g sample of a solid is placed in a flask....Ch. 1 - A thief plans to steal a gold sphere with a radius...Ch. 1 - Automobile batteries contain sulfuric acid, which...Ch. 1 - A 40-lb container of peat moss measures 14 x 20 x...Ch. 1 - A package of aluminum foil contains 50 ft2of foil,...Ch. 1 - Prob. 87AECh. 1 - 1.88 In 2005, J. Robin Warren and Barry J....Ch. 1 - 1 89 A 25 0-cm.long cylindrical glass tube,...Ch. 1 - 1.90 Gold is alloyed (mixed) with other metals to...Ch. 1 - 1.91 Paper chromatography is a simple but...Ch. 1 - 1.92 Judge the following statements as true or...Ch. 1 - 1.93 You are assigned the task of separating a...Ch. 1 - Prob. 94AE
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