Test 2 formulas Flashcards
1
Q
C to K
A
K=C+273.15
2
Q
Density
A
d=m/v
3
Q
molarity
A
M=moles of solute/liters of solution
4
Q
cm^3 = ?
A
1 ml
5
Q
molar concentration
A
Mi Vi = Mf Vf
6
Q
Pressure
A
P = force / area
7
Q
Boyle’s Law
A
Pi Vi = Pf Vf, constants n, T
8
Q
Charles’s law
A
Vi / Ti = Vf / Tf, constants n, P
9
Q
Avagardro’s law
A
Vi / ni =Vf / nf, constants T, P
10
Q
Ideal gas equation
A
PV = nRT
11
Q
density of a gas
A
d= PM / RT, PressureMolar Mass / RTemperature
or
d= M/L, Molar Mass/ Molar Volume
12
Q
Standard temperature and pressure (STP)
A
pressure = 1 atm, temp = 0 C, volume = 22.41 L
13
Q
R =
A
R = .08206 (PV / nT)
14
Q
1 torr = ? Hg
A
1mm Hg
15
Q
1 atm = ? torr
A
760 torr
16
Q
1 atm = ? Pa
A
101325 Pa
17
Q
760 torr = ? Pa
A
101325 Pa
18
Q
Molar mass
A
M = g / mol
19
Q
Molar density
A
mol / L
20
Q
Mol fraction
A
X_n =mol_n / mol_total
21
Q
Partial pressure
A
P_a = p_total * X_n
