Chemistry: The Central Science (13th Edition)
13th Edition
ISBN: 9780321910417
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
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Chapter 1.6, Problem 1.7.2PE
Practice Exercise 2
A car travels 28 mi per gallon of gasoline. What is the mileage in kilometers per liter?
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CONCEPTUAL
EXERCISE
1-2 Density of Liquids
When 5.0 mL each of vegetable oil, water, and kerosene are put into a large test tube,
they form three layers, as shown in the photo below.
(a) List the three liquids in order of increasing density (smallest density first,
largest density last).
(b) If an additional 5.0 mL of vegetable oil is poured into the test tube, what will
happen? Describe the appearance of the tube.
(c) If 5.0 mL of kerosene is added to the test tube with the 5.0 mL of vegetable oil
in part (b), will there be a permanent change in the order of liquids from top
to bottom of the tube? Why or why not?
of is which helps your that the substance
The average radius of a molecule of lysozyme an enzyme in tears is 1.430nm. What is its radius in kilometers? Scientific notation
Chapter 1 Solutions
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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- Question 60 Calculate the volume in cm³ of a metal cylinder that has a density of 8.96 g/ cm3 and a mass of 23.0 g. A) 0.390 cm3 B 206 cm3 2.57 cm3arrow_forwardDensity question- If Ethanol has density of 0.79 g/mL, how many liters of ethanol contains 1.50 kg of ethanol?arrow_forwardQuestion content area left Part 1 A driver filled the gas tank and noted that the odometer read 27,829.5. After the next filling, the odometer read 28,176.0. It took 16.5 gal to fill the tank. How many miles per gallon did the driver get?arrow_forward
- Question 33 of 40 Conventional 15W-40 motor oil in a car's engine has a volume of 4.20 L 15W-40 and a mass of 3.66 kg 15W-40. What is the density in g/mL of this motor oil?arrow_forwardINTERACTIVE EXAMPLE Determining Density At a local pawn shop a student finds a medallion that the shop owner insists is pure platinum. However, the student suspects that the medallion may actually be silver or aluminum, which are much less valuable. The student buys the medallion only after the shop owner agrees to refund the price if the medallion is returned within two days. The student, a chemistry major, then takes the medallion to her lab and measures its density as follows. She first weighs the medallion and finds its mass to be 55.64 g. She then places some water in a graduated cylinder and reads the volume as 75.2 mL. Next she drops the medallion into the cylinder and reads the new volume as 77.8 mL. Is the medallion platinum (density = 21.4 g/cm3), silver (density = 10.5 g/cm³), or aluminum (density = 2.70 g/cm³)? HOW DO WE GET THERE? Determine the density of the medallion. Density= X g/mL = g/cm³arrow_forwardQUESTION 2 Aspirin has a density of 1.40 g/cm. What is the volume in cubic centimeters of a tablet weighing 160 mg? Express answer in 3 sign ificant figures and scientific notation using the notation. Please give units as cm3.arrow_forward
- Question 5 Ethanol has a density of 0.790 g/ml at 25°C. What is the mass of 0.399 L of ethanol at 25°C?arrow_forwardI added two picture first one is original measurements and second one after putting a metal nut object in the cylinder I need to know objects volume and water and object volume..arrow_forwardWhich of the following conversions are correct? Select all that apply. Question options: 8.64 in. = 21.9 cm 3.5 gal = 13 L 1 cm = 2.54 in. (exactly) 2.56 g = 256 mgarrow_forward
- QUESTION 21 The density of titanium is 4.5 g/cc. What is the volume of 90 grams?arrow_forwardSTARTING AMOUNT + X The state of Oregon has an entire area of 9.70 × 104 mi². What is this area in square kilometers ? ADD FACTOR x( ) (1.609)² 9.70 × 104 6.03 × 104 0.6214 mi² 1.56 x 105 km² km (1)² 1 m² ANSWER 1.609 5280 (0.6214)² 2.51 x 105 mi m RESET 5 3.75 x 104arrow_forwardQuestion: A block of wood has 22.0cm x 180 mm x0.057 m and has a mass of 1.426x103 grams. A) What is the volume of the block of wood in cm3? B) What is the volume in L? c) What is the density of the block of wood in g/ml? d) Would the block of wood sink in 780.0 ml of liquid with a mass of 724.11g?arrow_forward
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