Chemistry in Context
8th Edition
ISBN: 9780073522975
Author: American Chemical Society
Publisher: McGraw-Hill Education
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Chapter 1.3, Problem 1.8YT
Sulfur dioxide (SO2) is released in the air when copper ore is smelted to make copper metal. Let’s assume that a woman living downwind of a smelter inhaled 44 μg of SO2 in an hour.
- a. If she inhaled 625 liters (0.625 m3) of air per hour, would she exceed the 1-hr average for the U.S. National Ambient Air Quality Standards for SO2? Support your answer with a calculation.
- b. If she were exposed at this rate for three hours, would she exceed the 3-hr average?
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2.) It’s a bad day in the lab! Two students are doing experiments. Each is 20 feet away from the professor. At the same time, each of them lets the same amount of a smelly gas into the room. One of them releases ammonia, NH3, and the other releases SO2. NH3 has a pungent odor, and SO2 smells like rotten eggs. The professor has no idea that this has happened, until she smell the first gas. Which chemical will the professor smell first? (NH3 or SO2) . If the professor starts to smell the first gas 42. seconds after the gas is released, how long will it take her to smell the second gas? sec.
* Note: It is unsafe practice to work with these chemicals in an open lab.
If the pressure exerted by ozone, O3, in the stratosphere is 3.0 × 10-³ atm and the temperature is 255 K, how many ozone molecules are in a liter?
Express your answer using two significant figures.
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Carbon dioxide makes up approximately 0.04% of Earth's atmosphere. If you collect a 3.0 L sample from the atmosphere at sea level (1.00 atm) on a warm day (26 °C), how
many CO₂ molecules are in your sample?
Express your answer using two significant figures.
molecules
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Time Left:0:55:00
A student completes the experiment The Universal Gas Constant and obtains the
following data for one trial.
mass of magnesium (g):
Initial gas volume (ml):
Final Volume (mL):
Temperature (°C):
Atmospheric pressure
(inHg):
Ah (cm of water):
F3
80
모
Calculate the partial pressure of hydrogen, PH2, for this trial. Give your answer in torr
(mmHg).
1 in Hg = 25.4 mmHg
1 cm water = 0.735559 mmHg
1 mol Mg = 24.305 g Mg
TABLE D-4
TEMP
1_DEG₁_C_1
1
3
I
1
1
Q
F4
0
1
=
2
3
4
5
6
7
8
10
11
12
13
14
0.0
0.1
0.0326
0.00
35.30
21.3
30.21
16
17.13
F5
6.100 | 6.143
1 6.544 1 6.589
0.2
1
VAPOR PRESSURE OF HATER
0-30 DEG. C IN MM HG
1 4.579 4.612
4.646
| 4.924 | 4.959 4.995
15.291
4.660 4.714
5.0315.068
5.329 5.367 5.406 5.445
4.7484.783 4.818
5.104 | 5.141 | 5.178
5.484 5.523 5.563
5.888 5.930
6.230 16.274 6.318 5.363
15.683 15.723 | 5.764 | 5.8051 5.146
6.186
6.636
5.972 1 6.0141 6.057 1
6.407 1 6.453 6.498 1
6.82 | 6.729 6.776 6.823 | 6.871 | 6.919 | 6.967 1
T
T
1
I
T
I
1
17.0167,064…
Chapter 1 Solutions
Chemistry in Context
Ch. 1.1 - Prob. 1.2CTCh. 1.1 - The air is different in a pine forest, a bakery,...Ch. 1.1 - Scientific Practices More Oxygen ? We live in an...Ch. 1.2 - Prob. 1.5SCCh. 1.3 - Sulfur dioxide (SO2) is released in the air when...Ch. 1.4 - Prob. 1.9YTCh. 1.5 - Prob. 1.10CTCh. 1.6 - Prob. 1.11YTCh. 1.11 - Prob. 1.19YTCh. 1.11 - Prob. 1.21YT
Ch. 1.12 - Summarize what you have learned about ozone...Ch. 1.13 - Prob. 1.27YTCh. 1.13 - Prob. 1.28YTCh. 1.13 - Prob. 1.29SCCh. 1.13 - Prob. 1.30YTCh. 1.13 - Prob. 1.35CTCh. 1 - Prob. 1QCh. 1 - Prob. 2QCh. 1 - Prob. 3QCh. 1 - Identify three sources of particulate matter found...Ch. 1 - Prob. 5QCh. 1 - Prob. 6QCh. 1 - In these diagrams, two different types of atoms...Ch. 1 - Prob. 8QCh. 1 - Prob. 9QCh. 1 - Prob. 10QCh. 1 - Prob. 11QCh. 1 - Prob. 12QCh. 1 - Prob. 13QCh. 1 - Consider the following blank periodic table. a....Ch. 1 - Classify each of these substances as an element, a...Ch. 1 - Prob. 16QCh. 1 - Hydrocarbons are important fuels that we burn...Ch. 1 - Prob. 18QCh. 1 - Arrange these types of radiation in order of...Ch. 1 - These questions relate to the combustion of...Ch. 1 - Balance these equations in which ethane (C2 H4)...Ch. 1 - Prob. 22QCh. 1 - Count the atoms on both sides of the equation to...Ch. 1 - Prob. 24QCh. 1 - Nail polish remover containing acetone was spilled...Ch. 1 - Prob. 26QCh. 1 - Prob. 27QCh. 1 - Prob. 28QCh. 1 - Prob. 29QCh. 1 - Prob. 30QCh. 1 - A headline from the Anchorage Daily News in Alaska...Ch. 1 - Prob. 32QCh. 1 - Consider how life on Earth would change if the...Ch. 1 - Prob. 34QCh. 1 - Prob. 35QCh. 1 - Prob. 36QCh. 1 - Prob. 37QCh. 1 - Prob. 38QCh. 1 - Prob. 39QCh. 1 - Prob. 40QCh. 1 - Prob. 41QCh. 1 - Prob. 42QCh. 1 - Prob. 43QCh. 1 - Prob. 44QCh. 1 - Prob. 45QCh. 1 - Prob. 46QCh. 1 - Prob. 47QCh. 1 - Prob. 48QCh. 1 - Prob. 49QCh. 1 - Mercury, another serious air pollutant, is not...Ch. 1 - The EPA oversees the Presidential Green Chemistry...Ch. 1 - Prob. 52QCh. 1 - Here are two scanning electron micrograph images...Ch. 1 - Prob. 54QCh. 1 - Prob. 55QCh. 1 - Prob. 56QCh. 1 - Prob. 57QCh. 1 - You may have admired the beauty of hardwood...Ch. 1 - Prob. 59Q
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- A student completes the experiment The Universal Gas Constant and obtains the following data for one trial. mass of magnesium (g): Initial gas volume (ml): Final gas volume (ml): Temperature (°C): Atmospheric pressure (inHg): 30.39 Calculate the universal gas constant, R, for this trial. Assume that the water levels inside and outside the eudiometer tube are the same; that is, assume Ah = 0.00 cm water. Give your answer to two decimal places in the units of L-torr-mol-1. K-¹. 1 in Hg = 25.4 mmHg 1 cm water = 0.735559 mmHg 1 mol Mg = 24.305 g Mg on i TABLE D-4 TEMP DEGA C T 0 1 2 3 4 amm 14.579 4.612 4.646 | 4.660 4.714 4.924 4.959 4.9955.031 15.068 5.291 5.329 5.367 5.406 15.445 15.683 5.723 | 5.7645.805 5.146 16.100 1 6.143 6.1866.2306-274 1 6.318 10.6 I 0.7 J L 1 LI 1 4.7484.783 4.818 1 4.853 I 4.888 1 5.104 | 5.141 | 5.178 5.216 | 5.253 5.484 5.523 5.563 1 5.60215.647 I 5.888 | 5.930 | 5.972 1 6.014 1.6. 7_1 5.363 | 6.407 6.453 I 6.498 1 6.823 | 6. 871 6.919 1 6.967 1 1 | 6.544 |…arrow_forwardCalculate the pressure to which this volume of air must be compressed in order to fit into the air tank. Write your answer in atmospheres. Be sure your answer has the correct number of significant digits.arrow_forward8. The secondary National Ambient Air Quality Standard for SO2 is 0.5 ppm (3-hr average). a) What is the equivalent concentration at 100 degrees C and 1 atm? b) Calculate the equivalent mass concentration (ug/m3) at Standard temperature and pressure. c) What is the equivalent mass concentration at 100 degrees C and 1 atmarrow_forward
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