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Introductory Chemistry

Steven S. Zumdahl, Donald J. DeCoste

Chapter 13

Gases

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Problem 1

The introduction to this chapter says that “we live immersed in a gaseous solution.” What does that mean?

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Problem 2

How are the three states of matter similar, and how do they differ?

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Problem 3

Figure 13.1 shows an experiment that can be used effectively to demonstrate the pressure exerted by the atmosphere. Write an explanation of this experiment to a friend who has not yet taken any science courses to help him understand the concept of atmospheric pressure.

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Problem 4

Describe a simple mercury barometer. How is such a barometer used to measure the pressure of the atmosphere?

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Problem 5

If two gases that do not react with each other are placed in the same container, they will __________ completely with each other.

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Problem 6

What are the common units used to measure pressure? Which unit is an experimental unit derived from the device used to measure atmospheric pressure?

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Problem 7

Make the indicated pressure conversions.
a. 45.2 kPa to atmospheres
b. 755 mm Hg to atmospheres
c. 802 torr to kilopascals
d. 1.04 atm to millimeters of mercury

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Problem 8

Make the indicated pressure conversions.
a. 14.9 psi to atmospheres
b. 795 torr to atmospheres
c. 743 mm Hg to kilopascals
d. 99,436 Pa to kilopascals

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Problem 9

Make the indicated pressure conversions.
a. 699 mm Hg to atmospheres
b. 18.2 psi to mm Hg
c. 862 mm Hg to torr
d. 795 mm Hg to psi

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Problem 10

Make the indicated pressure conversions.
a. 17.3 psi to kilopascals
b. 1.15 atm to psi
c. 4.25 atm to mm Hg
d. 224 psi to atmospheres

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Problem 11

Make the indicated pressure conversions.
a. $1.54 \times 10^{5}$ Pa to atmospheres
b. 1.21 atm to pascals
c. $97,345$ Pa to mm Hg
d. 1.32 kPa to pascals

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Problem 12

Make the indicated pressure conversions.
a. 6.42 atm to kilopascals
b. 4.21 atm to torr
c. 794 mm Hg to atmospheres
d. 27.2 psi to atmospheres

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