Basic Chemistry
6th Edition
ISBN: 9780134878119
Author: Timberlake, Karen C. , William
Publisher: Pearson,
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Textbook Question
Chapter 1.5, Problem 30PP
Write each of the following as a standard number:
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Which number in each pair is larger? a. 4.44 × 10 3 or 4.8 × 10 2 c. 1.3 × 10 8 or 52,300,000 b. 5.6 × 10 −6 or 5.6 × 10 −5 d. 9.8 × 10 −4 or 0.000 089
1. In which of the following pairs do both numbers contain the same number of
significant figures?
a. 2.0500 m and 0.0205
b. 600.0 K and 60 K
c. 0.000 75 s and 75 000 s
d. 6.240 L and 6.240 X 10 -² L
The appropriate number of significant figures in the result of 15.234 x 15.208 is
Select one:
a. 5
b. 3
C. 2
d. 6
e. 4
Chapter 1 Solutions
Basic Chemistry
Ch. 1.1 - In every chapter. odd-numbered exercises in the...Ch. 1.1 - In every chapter. odd-numbered exercises in the...Ch. 1.1 - Prob. 3PPCh. 1.1 - Prob. 4PPCh. 1.1 - In every chapter. odd-numbered exercises in the...Ch. 1.1 - Prob. 6PPCh. 1.2 - Identify each activity, a to f, as an observation,...Ch. 1.2 - Identify each activity, a to f. as an observation,...Ch. 1.2 - Identify each of the following as an observation,...Ch. 1.2 - Identify each of the following as an observation,...
Ch. 1.3 - Prob. 11PPCh. 1.3 - What are four things that would make it difficult...Ch. 1.3 - Prob. 13PPCh. 1.3 - Prob. 14PPCh. 1.4 - What is the place value for the bold digit? a....Ch. 1.4 - What is the place value for the bold digit? a....Ch. 1.4 - Prob. 17PPCh. 1.4 - Prob. 18PPCh. 1.4 - Prob. 19PPCh. 1.4 - Prob. 20PPCh. 1.4 - Use the following graph for problems 1.21 and...Ch. 1.4 - Use the following graph for problems 1.21 and...Ch. 1.4 - a. A clinic had 25 patients on Friday morning....Ch. 1.4 - a. At a local hospital. 35 babies were born in...Ch. 1.4 - Prob. 25PPCh. 1.4 - Prob. 26PPCh. 1.5 - Prob. 27PPCh. 1.5 - Write each of the following in scientific...Ch. 1.5 - Prob. 29PPCh. 1.5 - Write each of the following as a standard number:...Ch. 1.5 - Prob. 31PPCh. 1.5 - Prob. 32PPCh. 1.5 - Prob. 33PPCh. 1.5 - Prob. 34PPCh. 1 - The chapter sections to review are shown in...Ch. 1 - Prob. 36UTCCh. 1 - Prob. 37UTCCh. 1 - Prob. 38UTCCh. 1 - Prob. 39UTCCh. 1 - Prob. 40UTCCh. 1 - Prob. 41UTCCh. 1 - Prob. 42UTCCh. 1 - Select the correct phrase(s) to complete the...Ch. 1 - Select the correct phrase(s) to complete the...Ch. 1 - Prob. 45APPCh. 1 - Prob. 46APPCh. 1 - Prob. 47APPCh. 1 - Prob. 48APPCh. 1 - Evaluate each of the following: (1.4)...Ch. 1 - Prob. 50APPCh. 1 - A bag of gumdrops contains 16 orange gumdrops, 8...Ch. 1 - Prob. 52APPCh. 1 - Write each of the following in scientific...Ch. 1 - Write each of the following in scientific...Ch. 1 - Prob. 55APPCh. 1 - Write each of the following as a standard number:...Ch. 1 - Prob. 57APPCh. 1 - Prob. 58APPCh. 1 - Prob. 59CPCh. 1 - Prob. 60CPCh. 1 - Prob. 61CPCh. 1 - The following problems are related to the topics...Ch. 1 - The following problems are related to the topics...Ch. 1 - Prob. 64CP
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- Determine whether each statement that follows is true or false: a The SI system includes metric units. b If two quantities are expressed in an equivalency, they are directly proportional to each other. c The scientific notation form of a number smaller than 1 has a positive exponent. d In changing a number in scientific notation whose coefficient is not between 1 and 10 to standard scientific notation, the exponent becomes smaller if the decimal in the coefficient is moved to the right. e There are 1000 kilounits in a unit. f There are 10 milliunits in a centiunit g There are 1000 milliliters in a cubic centimeter. h The mass of an object is independent of its location in the universe. i Celsius degrees are smaller than Fahrenheit degrees. j The uncertain digit is the last digit written when a number is expressed properly in significant figures. k The quantity 76.2 g means the same as 76.200 g. l The number of significant figures in a sum may be more than the number of significant figures in any of the quantities added. m The number of significant figures in a difference may be fewer than the number of significant figures in any of the quantities subtracted. n The number of significant figures in a product may be more than the number of significant figures in any of the quantities multiplied. o The process of analysis of a problem statement includes describing the properties of the given and wanted quantities. p If the quantity in the answer to a problem is familiar, it is not necessary to check to make sure the answer is reasonable. q Conversion factors can be used to change from one unit to another only when the quantities are directly proportional. r When you are learning chemistry, you should check the solution to each problem you solve at two levels: 1 is the value reasonable? 2 what new knowledge or skill did I obtain or improve? s There is no advantage to using units in a problem that is solved by algebra. t A Fahrenheit temperature can be changed to a Celsius temperature by multiplying by a conversion factor.arrow_forwardWhat is density? Give two examples of possible units for density.arrow_forwardUse the figure below to answer the following questions. a. Derive the relationship between C and X. b. If the temperature outside is 22.0C, what is the temperature in units of X? c. Convert 58.0X to units of C, K, and F.arrow_forward
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- what is the result of the following average mathematical operation: 9.50 + 4.10 + 2.801 + 3.1750 4 to the correct number of significant figures? Select one: O a. 4.894 Ob. 5.0 O C 4.9 O d. 5 O e. none of thesearrow_forwardDetermine the correct amout of significant figures for each number or operation. Column A 1. 0.002040 2. 15.36 + 2.255 = 17.615 3. 510. 4. 22.2 x 89.01 = 1,976.022 Column B a.2 b.3 c.8 d.4 e.6 f.5 g.1 h.7arrow_forwardConversions: include correct number of significant digits a. 0.20 m to mm b. 2.23 ks to s c. 3.22 Gg to kgarrow_forward
- Consider the following operations on the number 2.23 x 10-2. Without using a calculator, decide which would give a significantly smaller value than 2.23 x 10², which would give a significantly larger value, or which would give essentially the same value. -2 a. 2.23 x 10 + 8.44 x 105 b. 2.23 x 10 2 - 8.44 x 105 c. 2.23 x 102 x 8.44 x 10 d. 2.23 x 102÷ 8.44 x 105arrow_forwardConversions: include the correct number of significant digits a. 1.2 g to ug (micrograms) b. 10.0 cm to in c. 78.9 mg to garrow_forwardCelsius and Fahrenheit Temperature Conversion Conver 100.0°F to degrees Celsius and to kelvins. Convert 2,200°F to degrees Celsius and to kelvins. An individual who is ill has a Temperature of 40.0°C. Normal body temperature is 37.0°C. This represent in °F? What is the individual's body temperature in °F?arrow_forward
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