ap chem ch. 5
0.0(0)
Studied by 1 person
Learn
Practice Test
Spaced Repetition
Match
FlashcardsCard Sorting
1/15
There's no tags or description
Looks like no tags are added yet.
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
16 Terms
1
New cards
the ideal gas law
PV = nRT
2
New cards
(constant) R =
* 0.0821 (L\*atm)/(mol\*K)
* 62.3 (L\*mmHg)/(mol\*K)
* 62.3 (L\*mmHg)/(mol\*K)
3
New cards
d (density) =
m/V = PM/RT
* my way of memorizing it: (P)rime(M)inister/(R)ight(T)
* my way of memorizing it: (P)rime(M)inister/(R)ight(T)
4
New cards
daltons law
* Ptotal = P1 + P2 +…Pn
* were P1 is the partial pressure of gas one, P2 is the partial pressure of gas two (and so on)
* Pgas = Ptot - PH2O
* where PH2O is the vaper pressure of water
* P1 = X1 \* Ptot
* where X1 is the mole fractio
* were P1 is the partial pressure of gas one, P2 is the partial pressure of gas two (and so on)
* Pgas = Ptot - PH2O
* where PH2O is the vaper pressure of water
* P1 = X1 \* Ptot
* where X1 is the mole fractio
5
New cards
kinetic theory (formulas)
* Etrans = 1/2 \* m \* u^2 = C \* T
* m1u1^2 = m2u2^2
* rate2/rate1 = (M1/M2)^(1/2) = time1/time2
* u = (3RT/M)^(1/2) where R = 8.31 (g\*m^2)/(s^2\*mol\*K)
* m1u1^2 = m2u2^2
* rate2/rate1 = (M1/M2)^(1/2) = time1/time2
* u = (3RT/M)^(1/2) where R = 8.31 (g\*m^2)/(s^2\*mol\*K)
6
New cards
real gases vs. ideal gases
* real gases deviate from ideal gases
* gas molecules attract each other
* gas molecules occupy a finite volume
* they deviate **most** at high pressures and low temps (smaller mean free path) and **least** at low pressures and high temperatures (bigger mean free path)
* deviation is so small it’s negligible
* gas molecules attract each other
* gas molecules occupy a finite volume
* they deviate **most** at high pressures and low temps (smaller mean free path) and **least** at low pressures and high temperatures (bigger mean free path)
* deviation is so small it’s negligible
7
New cards
kinetic theory (theory)
* explains the effects of temperature and pressure on matter
* all matter is composed of small particle
* these particles are in constant motion
* collisions between particles are perfectly elastic (no change in total kinetic energy of the system)
* all matter is composed of small particle
* these particles are in constant motion
* collisions between particles are perfectly elastic (no change in total kinetic energy of the system)
8
New cards
mean free path
describes the average distance a molecule will travel before colliding with another molecule
9
New cards
what factors increase the mean free path
temperature, the number of particles in a given volume, and the mass of the given particles
10
New cards
pressure
* created by the force and the number of gas molecule collisions on a container wall
* pascal is the SI unit of pressure (1 Pa = 1 N/m^2)
* 101.325 kPa = 1 atm = 760 mm Hg
* nanometers and barometers are used to measure gas pressure using column of mercury
* nanometers - open and closed arm
* pascal is the SI unit of pressure (1 Pa = 1 N/m^2)
* 101.325 kPa = 1 atm = 760 mm Hg
* nanometers and barometers are used to measure gas pressure using column of mercury
* nanometers - open and closed arm
11
New cards
calculation for closed arm nanometer
gas pressure = height change
12
New cards
calculation for open arm nanometer
depends on which side of the mercury is the highest
13
New cards
boyles law
P1V1 = P2V2
14
New cards
charles’ law
V1/T1 = V2/T2
15
New cards
avogadros law
P1/n1 = P2/n2
16
New cards
combined gas law
(P1V1)/T1 = (P2V2)/T2