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Chemistry: An Introduction to General, Organic, and Biological Chemistry

Karen C. Timberlake

Chapter 8

Gases - all with Video Answers

Educators

Section 1

Properties of Gases

04:38

Problem 1

Use the kinetic molecular theory of gases to explain each of the following:
a. Gases move faster at higher temperatures.
b. Gases can be compressed much more easily than liquids or solids.
c. Gases have low densities.

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator
09:47

Problem 2

Use the kinetic molecular theory of gases to explain each of the following:
a. A container of nonstick cooking spray explodes when thrown into a fire.
b. The air in a hot-air balloon is heated to make the balloon rise.
c. You can smell the odor of cooking onions from far away.

Noah Boudrie
Noah Boudrie
Numerade Educator
03:05

Problem 3

Identify the property of a gas that is measured in each of the following:
a. $350 \mathrm{~K}$
b. $125 \mathrm{~mL}$
c. $2.00 \mathrm{~g}$ of $\mathrm{O}_{2}$
d. $755 \mathrm{mmHg}$

Angela Caffey
Angela Caffey
Sam Houston State University
02:39

Problem 4

Identify the property of a gas that is measured in each of the following:
a. $425 \mathrm{~K}$
b. 1.0 atm
c. $10.0 \mathrm{~L}$
d. 0.50 mole of He

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator
04:20

Problem 5

Which of the following statements describe the pressure of a gas?
a. the force of the gas particles on the walls of the container
b. the number of gas particles in a container
c. $4.5 \mathrm{~L}$ of helium gas
d. 750 Torr
e. $28.8 \mathrm{lb} / \mathrm{in} .^{2}$

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator
02:43

Problem 6

Which of the following statement(s) describe the pressure of a gas?
a. $320^{\circ} \mathrm{C}$
b. $2500 \mathrm{mmHg}$
c. 670 Torr
d. $101 \mathrm{~Pa}$
e. $201 \mathrm{kPa}$

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator
02:32

Problem 7

A tank contains oxygen $\left(\mathrm{O}_{2}\right)$ at a pressure of $2.00 \mathrm{~atm} .$ What is the pressure in the tank in terms of the following units?
a. torr
b. $\mathrm{Ib} / \mathrm{in} .^{2}$
c. $\mathrm{mmHg}$
d. $\mathrm{kPa}$

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator
03:01

Problem 8

On a climb up Mount Whitney, the atmospheric pressure drops to $467 \mathrm{mmHg}$. What is the pressure in terms of the following units?
a. atm
b. torr
c. inHg
d. $\mathrm{Pa}$

Dr. Satish Ingale
Dr. Satish Ingale
Numerade Educator