Modified MasteringChemistry with Pearson eText -- Standalone Access Card -- for Chemistry: The Central Science (13th Edition)
13th Edition
ISBN: 9780321972552
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
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Textbook Question
Chapter 1.5, Problem 1.2.1PE
Which of the following numbers in your personal life are exact numbers?
- Your cell phone number
- your weight
- your IQ
- your driver's license number
- the distance you walked yesterday
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Which of the following numbers in your personal life are exactnumbers?(a) Your cell phone number (b) your weight (c) your IQ(d) your driver’s license number (e) the distance you walked yesterday
Part I
A chemist adds 4 drops of hydrochloric acid to a beaker. What kind of number is "4" in this example?
an exact number
a measured number
a number with one significant digit
a significant number
Express each of the following ordinary numbers as a power of 10: (a) 1,000,000,000 (b) 0.000 000 01
Chapter 1 Solutions
Modified MasteringChemistry with Pearson eText -- Standalone Access Card -- for Chemistry: The Central Science (13th Edition)
Ch. 1.2 - Which of the following is the correct description...Ch. 1.2 - Prob. 1.1.2PECh. 1.5 - Which of the following numbers in your personal...Ch. 1.5 - Practice Exercise 2 The back inside cover of the...Ch. 1.5 - Practice Exercise 1 An object is determined to...Ch. 1.5 - Practice Exercise 2 How many significant figures...Ch. 1.5 - Ellen recently purchased a new hybrid car and...Ch. 1.5 - Practice Exercise 2 It takes 10.5 s for a sprinter...Ch. 1.5 - Prob. 1.5.1PECh. 1.5 - Prob. 1.5.2PE
Ch. 1.6 - Practice Exercise 2 By using a conversion factor...Ch. 1.6 - Practice Exercise 1 Fabiola, who lives in Mexico...Ch. 1.6 - Prob. 1.7.1PECh. 1.6 - Practice Exercise 2 A car travels 28 mi per gallon...Ch. 1.6 - Practice Exercise 2 The surface area of Earth is...Ch. 1.6 - Practice Exercise 1 Composite decking is a...Ch. 1.6 - Prob. 1.9.1PECh. 1.6 - Practice Exercise 2 If the mass of the container...Ch. 1.6 - Practice Exercise 1 Which of the following is the...Ch. 1.6 - Aspirin is composed of 60.0% carbon, 4.5%...Ch. 1.6 - Practice Exercise 1 Which of the following weights...Ch. 1.6 - Practice Exercise 2 How many picometers are there...Ch. 1.6 - Practice Exercise 1 Using Wolfram Alpha...Ch. 1.6 - Practice Exercise 2 Ethylene glycol, the major...Ch. 1.6 - Prob. 1.13.1PECh. 1.6 - Practice Exercise 2 Calculate the density of a...Ch. 1 - The reaction between reactant A (blue spheres) and...Ch. 1 - Prob. 2ECh. 1 - Describe the separation method(s) involved in...Ch. 1 - Prob. 4ECh. 1 - Prob. 5ECh. 1 - Prob. 6ECh. 1 - Prob. 7ECh. 1 - 2447 What are the molecular and empirical formulas...Ch. 1 - When you convert units, how do you decide which...Ch. 1 - Prob. 10ECh. 1 - 2-60 The most common charge associated with...Ch. 1 - Prob. 12ECh. 1 -
2.84 Consider the following organic substances:...Ch. 1 -
2.96 Gallium (Ga) consists of two naturally...Ch. 1 -
2.108 Cyclopropane is an interesting hydrocarbon....Ch. 1 - Write a balanced equation for (a) solid...Ch. 1 - Calculate the molar mass of Ca(NO3)2Ch. 1 - Prob. 18ECh. 1 - Imagine you are working on ways to improve the...Ch. 1 - A key step in balancing chemical equations is...Ch. 1 - a. The characteristic odor of pineapple is due to...Ch. 1 - The complete combustion of octane, Cngs, a...Ch. 1 - Prob. 23ECh. 1 - Prob. 24ECh. 1 -
4.53 Write balanced molecular and net ionic...Ch. 1 - Prob. 26ECh. 1 - Prob. 27ECh. 1 - Prob. 28ECh. 1 -
4.101 Hard water contains Ca2+ , Mg2 + , and Fe2+...Ch. 1 - Prob. 30ECh. 1 - Prob. 31ECh. 1 - Prob. 32ECh. 1 - Imagine that you are climbing a mountain. Is the...Ch. 1 - A gas is confined to a cylinder under constant...Ch. 1 -
5.100 An aluminum can of a soft drink is placed...Ch. 1 - The hydrocarbons acetylene (C2H2) and benzene...Ch. 1 - The precipitation reaction between AgNO3(aq) and...Ch. 1 - Consider the following three moving objects: a...Ch. 1 - The speed of sound in dry air at 20°C is 343 m/s...Ch. 1 - Prob. 40ECh. 1 - Calculate the energy of a photon of...Ch. 1 - Using Heisenberg's uncertainty principle,...Ch. 1 - Prob. 43ECh. 1 - The following do not represent valid ground-state...Ch. 1 - Prob. 45ECh. 1 - Prob. 46ECh. 1 - Arrange the following atoms and ions in order of...Ch. 1 - Prob. 48ECh. 1 - Prob. 49ECh. 1 - The distance from Grand Rapids, Michigan, to...Ch. 1 - Prob. 51ECh. 1 - Prob. 52ECh. 1 - Prob. 53ECh. 1 - Prob. 54ECh. 1 - Prob. 55ECh. 1 - Which of the these molecules has a Lewis structure...Ch. 1 - Prob. 57ECh. 1 - Write the electron configuration for the element...Ch. 1 - (a) Classify each of the following as a pure...Ch. 1 - Prob. 60AECh. 1 - Prob. 61AECh. 1 - Prob. 62AECh. 1 - Prob. 63AECh. 1 - Prob. 64AECh. 1 - Prob. 65AECh. 1 - Prob. 66AECh. 1 - Prob. 67AECh. 1 - Prob. 68AECh. 1 - Ethyl acetate. C4H802, is a fragrant substance...Ch. 1 - Prob. 70AECh. 1 - The iodine bromide molecule, IBr, is an...Ch. 1 - Prob. 72AECh. 1 - Prob. 73AECh. 1 - Prob. 74AECh. 1 - Prob. 75AECh. 1 - Prob. 76AECh. 1 - Prob. 77AECh. 1 -
10.12 The graph below shows the change in...Ch. 1 - Prob. 79AECh. 1 - Prob. 80AECh. 1 - Prob. 81AECh. 1 - Prob. 82AECh. 1 - Prob. 83AECh. 1 - Prob. 84AECh. 1 - Prob. 85AECh. 1 - Prob. 86AECh. 1 - Prob. 87AECh. 1 - Prob. 88AE
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