General Chemistry
11th Edition
ISBN: 9781305859142
Author: Ebbing, Darrell D., Gammon, Steven D.
Publisher: Cengage Learning,
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Chapter 1, Problem 1.29QP
Say you live in a climate where the temperature ranges from −100°F to 20°F and you want to define a new temperature scale, YS (YS is the “Your Scale” temperature scale), which defines this range as 0.0°YS to 100.0°YS.
- a Come up with an equation that would allow you to convert between °F and °YS.
- b Using your equation, what would be the temperature in °F if it were 6.6°YS?
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The emission data in cps displayed in Table 1 is reported to two decimal places by the
chemist. However, the instrument output is shown in Table 2.
Table 2. Iron emission from ICP-AES
Sample
Blank
Standard
Emission, cps
579.503252562
9308340.13122
Unknown Sample
343.232365741
Did the chemist make the correct choice in how they choose to display the data up in Table
1? Choose the best explanation from the choices below.
No. Since the instrument calculates 12 digits for all values, they should all be kept and not truncated.
Doing so would eliminate significant information.
No. Since the instrument calculates 5 decimal places for the standard, all of the values should be
limited to the same number. The other decimal places are not significant for the blank and unknown
sample.
Yes. The way Saman made the standards was limited by the 250-mL volumetric flask. This glassware
can report values to 2 decimal places, and this establishes our number of significant figures.
Yes. Instrumental data…
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Chapter 1 Solutions
General Chemistry
Ch. 1.3 - You place 1.85 grams of wood in a vessel with 9.45...Ch. 1.4 - Potassium is a soft, silvery-colored metal that...Ch. 1.4 - Matter can be represented as being composed of...Ch. 1.5 - Give answers to the following arithmetic setups....Ch. 1.5 - a. When you report your weight to someone, how...Ch. 1.6 - Express the following quantities using an SI...Ch. 1.6 - a. A person with a fever has a temperature of...Ch. 1.6 - Prob. 1.3CCCh. 1.7 - A piece of metal wire has a volume of 20.2 cm3 and...Ch. 1.7 - Ethanol (grain alcohol) has a density of 0.789...
Ch. 1.7 - You are working in the office of a precious metals...Ch. 1.8 - The oxygen molecule (the smallest particle of...Ch. 1.8 - A large crystal is constructed by stacking small,...Ch. 1.8 - Using the definitions 1 in. = 2.54 cm and 1 yd =...Ch. 1 - Discuss some ways in which chemistry has changed...Ch. 1 - Define the terms experiment and theory. How are...Ch. 1 - Illustrate the steps in the scientific method...Ch. 1 - Define the terms matter and mass. What is the...Ch. 1 - Prob. 1.5QPCh. 1 - Prob. 1.6QPCh. 1 - Characterize gases, liquids, and solids in terms...Ch. 1 - Prob. 1.8QPCh. 1 - Give examples of an element, a compound, a...Ch. 1 - What phases or states of matter are present in a...Ch. 1 - What distinguishes an element from a compound? Can...Ch. 1 - Prob. 1.12QPCh. 1 - Prob. 1.13QPCh. 1 - Prob. 1.14QPCh. 1 - How does the International System (SI) obtain...Ch. 1 - Prob. 1.16QPCh. 1 - Prob. 1.17QPCh. 1 - Why should units be carried along with numbers in...Ch. 1 - When the quantity 12.9 g is added to 2 1002 g,...Ch. 1 - Prob. 1.20QPCh. 1 - A 75.0-g sample of a pure liquid, liquid A, with a...Ch. 1 - Which of the following represents the smallest...Ch. 1 - Physical and Chemical Changes Say you are...Ch. 1 - a Sodium metal is partially melted. What are the...Ch. 1 - A material is believed to be a compound. 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