Chem 2 ACS Final Exam All Answers Correct
1. Under what conditions does the ideal gas law apply?
The ideal gas law is best observed under low pressure and high temperature conditions.
2. What expression defines Boyle's Law?
Boyle's Law can be expressed as ( P_1V_1 = P_2V_2 ), indicating...
1. Under what conditions does the ideal gas law apply?
The ideal gas law is best observed under low pressure and high temperature conditions.
2. What expression defines Boyle's Law?
Boyle's Law can be expressed as \( P_1V_1 = P_2V_2 \), indicating the relationship between the
pressure and volume of a gas.
3. Gases are highly ________.
Gases are highly compressible.
4. How do gases behave when placed in a container?
Gases spontaneously expand to fill the entire container.
5. What is the distance between gas molecules like?
In gases, the molecules are far apart from each other.
6. At standard temperature and pressure (STP), what is the volume of 1 mole of any gas?
, One mole of any gas occupies a volume of 22.4 liters at STP.
7. How does the mass of a gas affect its effusion rate?
The lighter the gas, the more rapidly it will effuse.
8. Under what conditions is the deviation from ideal gas behavior most significant?
Deviations from ideal behavior are most evident at high pressures and low temperatures.
9. Are non-reacting gas mixtures homogeneous or heterogeneous?
Non-reacting gas mixtures are homogeneous.
10. What is the normal melting point defined as?
The normal melting point occurs at a pressure of 760 torr or 1 atm.
11. According to the kinetic-molecular theory, why does pressure increase as the temperature of a gas
rises?
Pressure increases because gas molecules collide with the walls of the container more frequently and
with greater energy at higher temperatures.
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