Chemistry: Principles and Practice
3rd Edition
ISBN: 9780534420123
Author: Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 1.49QE
Express the measurements to the requested number of significant figures.
- (a) 96,485 J/C to three significant figures
- (b) 2.9979 g/cm3 to three significant figures
- (c) 0.0597 mL to one significant figure
- (d) 6.626 × 10–34 kg to two significant figures
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(a) A cube of osmium metal 1.500 cm on a side has a mass of76.31 g at 25 °C. What is its density in g/cm3 at this temperature?(b) The density of titanium metal is 4.51g/cm3 at 25 °C.What mass of titanium displaces 125.0 mL of water at 25 °C?
(c) The density of benzene at 15 °C is 0.8787 g/mL. Calculatethe mass of 0.1500 L of benzene at this temperature.
A 25.5 g sample of a metal was placed into water in a gradu- ated cylinder. The metal sank to the bottom, and the water level rose from 15.7 mL to 25.3 mL. What is the identity of the metal?
(a) Tin (density = 7.31 g/cm3)(b) Lead (density = 11.34 g/cm3)(c) Silver (density = 10.49 g/cm3)(d) Aluminum (density = 2.64 g/cm3)
The molecular liquid chloroform (CHCl3) has a density of 1.48 g/mL, while the molecular liquid bromoform (CHBr3) has a density of 2.89 g/mL.(a) When 44.0 mL of CHCl3 and 39.2 mL of CHBr3 are mixed, a clear liquid solution forms.
Is this a chemical or a physical change?
Chapter 1 Solutions
Chemistry: Principles and Practice
Ch. 1 - Define science in your own words. List three...Ch. 1 - Compare the uses of the words theory and...Ch. 1 - Explain how the coach of an athletic team might...Ch. 1 - Some scientists think the extinction of the...Ch. 1 - Prob. 1.6QECh. 1 - Define matter, mass, and weight.Ch. 1 - Matter occupies space and has mass. Are the...Ch. 1 - Give three examples of homogeneous and...Ch. 1 - Do you think it is easier to separate a...Ch. 1 - A solution made by dissolving sugar in water is...
Ch. 1 - Is the light from an electric bulb an intensive or...Ch. 1 - Are all alloys homogeneous solutions? Explain your...Ch. 1 - Prob. 1.14QECh. 1 - Prob. 1.16QECh. 1 - Describe a computation in which your calculator...Ch. 1 - Draw a block diagram (see Example 1.8) that...Ch. 1 - Prob. 1.19QECh. 1 - If you repeat the same measurement many times,...Ch. 1 - Prob. 1.21QECh. 1 - Prob. 1.23QECh. 1 - Prob. 1.24QECh. 1 - Each of the following parts contains an underlined...Ch. 1 - Prob. 1.26QECh. 1 - Classify each of the following processes as a...Ch. 1 - Classify each of the following processes as a...Ch. 1 - Prob. 1.29QECh. 1 - Prob. 1.30QECh. 1 - Prob. 1.31QECh. 1 - Prob. 1.32QECh. 1 - Prob. 1.33QECh. 1 - In the following description of the element iron,...Ch. 1 - Prob. 1.35QECh. 1 - In the following description of the element...Ch. 1 - Classify each of the following as an element, a...Ch. 1 - Classify each of the following as an element, a...Ch. 1 - Prob. 1.39QECh. 1 - Classify each of the following as an element, a...Ch. 1 - Prob. 1.41QECh. 1 - Prob. 1.42QECh. 1 - A samples true mass is 2.54 g. For each set of...Ch. 1 - A measurements true value is 17.3 g. For each set...Ch. 1 - How many significant figures are in each value?...Ch. 1 - How many significant figures are there in each of...Ch. 1 - How many significant figures are in each...Ch. 1 - How many significant figures are in each...Ch. 1 - Express the measurements to the requested number...Ch. 1 - Prob. 1.50QECh. 1 - Prob. 1.51QECh. 1 - Prob. 1.52QECh. 1 - Prob. 1.53QECh. 1 - Prob. 1.54QECh. 1 -
Perform the indicated calculations, and express...Ch. 1 - Prob. 1.56QECh. 1 - Prob. 1.57QECh. 1 - Prob. 1.58QECh. 1 - Calculate the result of the following equation,...Ch. 1 - Calculate the result of the following equation,...Ch. 1 - Prob. 1.61QECh. 1 - What base SI unit is used to express each of the...Ch. 1 - Prob. 1.63QECh. 1 - Write two conversion factors between grams (g) and...Ch. 1 - Prob. 1.65QECh. 1 - Prob. 1.66QECh. 1 - Prob. 1.67QECh. 1 - Prob. 1.68QECh. 1 - The speed of sound in air at sea level is 340 m/s....Ch. 1 -
The area of the 48 contiguous states is 3.02 ×...Ch. 1 - Prob. 1.71QECh. 1 - Prob. 1.72QECh. 1 - Prob. 1.73QECh. 1 - Prob. 1.74QECh. 1 - Prob. 1.75QECh. 1 - Prob. 1.76QECh. 1 - Wine is sold in 750-mL bottles. How many quarts of...Ch. 1 - The speed limit on limited-access roads in Canada...Ch. 1 - Prob. 1.79QECh. 1 - Many soft drinks are sold in 2.00-L containers....Ch. 1 - (a) Helium has the lowest boiling point of any...Ch. 1 - (a) The boiling point of octane is 126 C. What is...Ch. 1 - The melting point of sodium chloride, table salt,...Ch. 1 - Prob. 1.86QECh. 1 - The density of benzene at 25.0 C is 0.879 g/cm3....Ch. 1 - Ethyl acetate, one of the compounds in nail polish...Ch. 1 - Lead has a density of 11.4 g/cm3. What is the...Ch. 1 - Prob. 1.90QECh. 1 - An irregularly shaped piece of metal with a mass...Ch. 1 - A solid with an irregular shape and a mass of...Ch. 1 - How many square meters will 4.0 L (about 1 gal) of...Ch. 1 - Prob. 1.94QECh. 1 - Prob. 1.95QECh. 1 - Prob. 1.96QECh. 1 - Gold leaf, which is used for many decorative...Ch. 1 - Prob. 1.98QECh. 1 - Prob. 1.99QECh. 1 - Prob. 1.101QECh. 1 - Prob. 1.102QECh. 1 - Prob. 1.103QECh. 1 - Prob. 1.104QECh. 1 - The main weapon on a military tank is a cannon...Ch. 1 - Prob. 1.106QE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- A group of students took turns using a laboratory balanceto weigh the water contained in a beaker. The results theyreported were 111.42 g, 111.67 g, 111.21 g, 135.64 g,111.02 g, 111.29 g, and 111.42 g.(a) Should any of the data be excluded before the average is calculated?(b) From the remaining measurements, calculate the average value of the mass of the water in the beaker.(c) Calculate the standard deviation s and, from it, the 95% confidence limit.arrow_forwardLight travels in a vacuum at a speed of 3.00 × 108 m s-1 .(a) Convert this speed to miles per second.(b) Express this speed in furlongs per fortnight, a littleused unit of speed. (A furlong, a distance used in horse racing, is 660 ft; a fortnight is exactly 2 weeks.)arrow_forwardCalculate these masses.(a) What is the mass of 6.00 cm 3 of sodium, density = 0.97 g/cm 3 ?(b) What is the mass of 155 mL gaseous chlorine, density = 3.16 g/L?arrow_forward
- Express the results of the following multiplications and divisions to the proper number of significant figures. All of the numbers are measured quantities. (a) 129.587 × 32.33 = 4.7791 (b) 3.21 × 5.793 10566.9 (c) 3.584 × 1029 (d) (5.247 × 10'3) × (1.3 × 10-17) =arrow_forwardClassify each change as physical or chemical. (a) A balloon filled with hydrogen gas explodes upon contactwith a spark.(b) The liquid propane in a barbecue evaporates away becausesomeone left the valve open.(c) The liquid propane in a barbecue ignites upon contactwith a spark.(d) Copper metal turns green on exposure to air andwater.arrow_forwardCarry out the following conversions: (a) 1.42 lightyears to miles (a light-year is an astronomical measure of distance—the distance traveled by light in a year, or 365 days; the speed of light is 3.00x10^8 m/s), (b) 32.4 yd to centimeters, (c) 3.0 3x10^10 cm/s to ft/s.arrow_forward
- Which quantity in each of the following pairs is larger? (a) 5.63 * 106 cm or 6.02 * 101 km(b) 46µs or 3.2 * 10-2 ms(c) 200,098 g or 17 * 101 kgarrow_forwardDefine physical property and chemical property. Identify each type of property in the following statements:(a) Yellow-green chlorine gas attacks silvery sodium metal to form white crystals of sodium chloride (table salt).(b) A magnet separates a mixture of black iron shavings and white sand. When you convert feet to inches, how do you decide which part of the conversion factor should be in the numerator and which in the denominator?arrow_forward(a) Three spheres of equal size are composed of aluminum(density = 2.70 g/cm3), silver (1density = 10.49 g/cm3),and nickel (density = 8.90 g/cm3). List the spheres fromlightest to heaviest. (b) Three cubes of equal mass arecomposed of gold (density = 19.32 g/cm3), plat inum(density = 21.45 g/cm3), and lead(density = 11.35 g/cm3).List the cubes from smallest to largest.arrow_forward
- Classify each property as physical or chemical. (a) the tendency of copper to turn green when exposed to air(b) the tendency of automobile paint to dull over time(c) the tendency of gasoline to evaporate quickly when spilled(d) the low mass (for a given volume) of aluminum relative to other metalsarrow_forwardComplete the following volume equivalents. (a) 1 mL = ? cm³ (b) 1 in.³= ? cm³arrow_forward(a) To three decimal places, what is the volume of a cube (cm3) with an edge length of 0.843 cm?(b) If the cube in part (a) is copper and has a mass of 5.34 g, what is the density of copper to two decimal places?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Measurement and Significant Figures; Author: Professor Dave Explains;https://www.youtube.com/watch?v=Gn97hpEkTiM;License: Standard YouTube License, CC-BY
Trigonometry: Radians & Degrees (Section 3.2); Author: Math TV with Professor V;https://www.youtube.com/watch?v=U5a9e1J_V1Y;License: Standard YouTube License, CC-BY