Test 1 (12,13,14-1,14-2) Formulas

Question 1

clausius clapeyron equation

Answer 1

ln (P2/P1) = (-△H/R)*(1/T2 - 1/T1)

Question 2

bragg equation

Answer 2

(nλ)/(2sinθ)

Question 3

mass %

Answer 3

mass solute/mass solution * factor

Question 4

volume %

Answer 4

volume solute/volume solution * factor

Question 5

mol fraction

Answer 5

mol solute/mol solution OR mol solvent/mol solution

Question 6

molality

Answer 6

mol solute/mass solution = mol/kg

Question 7

henry’s law

Answer 7

C = k * Pgas

Question 8

raoult’s law

Answer 8

Pgas = X * Pgas°
X = mol fraction
Pgas° = vapor pressure of pure liquid

Question 9

raoult’s law extended

Answer 9

Pgastotal = PgasA + PgasB

Question 10

freezing point depression

Answer 10

△T = k * m * i

Question 11

half life (0)

Answer 11

t1/2 = [A0]/2k

Question 12

half life (1)

Answer 12

t1/2 = 0.693/k

Question 13

half life (2)

Answer 13

t1/2 = 1/k[A0]

Question 14

rate law (0)

Answer 14

-△[A]/△t = k

Question 15

rate law (1)

Answer 15

-△[A]/△t = k[A]

Question 16

rate law (2)

Answer 16

-△[A]/△t = k[A]²

Question 17

integrated rate law (0)

Answer 17

[A]t = -kt + [A]0

Question 18

integrated rate law (1)

Answer 18

ln[A]t = -kt + ln[A]0

Question 19

integrated rate law (2)

Answer 19

1/[A]t = kt + 1/[A]0

Question 20

radius or edge length of face centered cubic structure

Answer 20

16r² = 2d²

Question 21

radius or edge length of simple cubic structure

Answer 21

d = 2r