Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
- Calculate the total pressure (in atm to 2 sf) in a container with 616 torr N2, 104 torr O2, and 40. torr CO2.
- Calculate the volume (in L to 2 sig figs) of 15.735 g CO2 gas if it is pressurized to 2.0 atm at 0.0°C.
-
Calculate the pressure (in atm to 2 sig figs) of a balloon (initially at 25.0°C and 0.98 atm) after it is submerged into liquid nitrogen to a temperature of -196.0°C.
-
Will the following conditions increase the solubility of the gas oxygen (O2) in solution (y/n)?
- An increase the temperature of the solution
- Replacing water with blood containing hemoglobin
- A decrease in the pressure of the room in which the water and N2 are located (ie, try the experiment on a mountain top instead of at sea level).
5. Use table 6.1 below: The vapor pressure of water at various temperatures to answer the questions below.
a. Water boils at sea level (Patm = 760 torr) at 100°C. Estimate the temperature (in °C) at which water boils in Johnstown if the atmospheric pressure (Patm) is 701 torr.
b. If you hang wet sheets outside on a clothesline on a sunny winter day when the temperature is 0°C, they will eventually dry. Explain why using the table above.
6. - Calculate the molecules of gas (to 2 sig figs) in a 0.75 L container that has a pressure of 814 mmHg at a temperature of 315 K.
T (°C)
Pvp (mmHg)
T (°C)
Pvp (mmHg)
T (°C)
Pvp (mmHg)
T (°C)
Pvp (mmHg)
-10
2.15
50
92.51
92
566.59
97.5
694.47
0
4.58
60
149.38
93
588.24
98
707.20
10
9.21
70
233.17
94
610.59
98.5
720.12
20
17.54
80
354.53
95
633.64
99
733.25
30
31.82
90
525.27
96
657.41
99.5
750.93
40
55.32
91
545.60
97
681.93
100
760.00
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