Chapter 10 key terms Flashcards
1
Q
What are 4 properties that define the state of a gas sample?
A
temperature, pressure, volume, amount of gas
2
Q
What is pressure?
A
the amount of force applied to an area
3
Q
What is Dalton’s Law of Partial Pressures?
A
the total pressure of a mixture of gases equals the sum of the pressures that each gas would exert is it were present alone
4
Q
What is Effusion?
A
the escape of gas molecules through a tiny hole into an evacuated space
5
Q
What is diffusion?
A
the spread of one substance throughout a space or a second substance
6
Q
Relationship between molar mass and rate of speed of travel?
A
the “lighter” gas always has a faster rate of speed
7
Q
Property of real gases compared to kinetic-molecular model?
A
real gases break down at high pressure and/or low temperature
