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Flashcards in Chemistry Deck (29):
1

Partial pressure

Pa = XaPtotal

2

Dalton's law

Ptotal = P1 +P2 + P3...

3

Kinetic energy, temperature of gas

KE = 3/2(RT)

4

R (gas constant)

0.08206 (L*atm)/(K*mol) or 8.314 J/(K*mol)

5

Standard molar volume of gas

22.4 L

6

Graham's Law

v1/v2 = sqrt(m2)/sqrt(m1)

7

Effusion rates

Effusion rate 1 / Effusion rate 2 = sqrt(M2)/sqrt(M1)

8

Rate Law of aA + bB -> cC + dD

k[A]^a[B]^b

9

Equilibrium constant of aA + bB -> cC + dD

K = [C]^c[D]^d/[A]^a[B]^b

10

PV work

w = P(delta)V

11

First Law of Thermodynamics

delta(E) = q + w

12

Kinetic energy of a single molecule

KE = 3/2kT

13

Change in Enthalpy

delta(H) = delta(U) + Pdelta(V)

14

Heat of Reaction

delta(H0)rxn = delta(H0)products - delta(H0)reactants

15

Gibbs Free Energy

delta(G) = delta(H) - Tdelta(S)

16

Molarity

Moles of solute / volume of solution

17

Molality

Moles of solute / kilograms of solvent

18

Mole fraction

Moles of solute / total moles of all solutes and solvent

19

Mass %

Mass of solute / total mass of solution x 100

20

PPM

Mass of solute / total mass of solution x 1,000,000

21

Raoult's Law

P = Chi*P

22

Specific heat capacity

q = mcdelta(T)
*m = molality

23

Specific heat of water

1 cal/g*C

24

Boiling point elevation

delta(T) = kb*m*i
*m = molality

25

Freezing point depression

delta(T) = kf*m*i
*m = molality

26

Osmotic pressure

PI = iMRT
*M = molarity

27

Cell potential energy

Delta(G) = -nFEmax

28

Faraday's constant

96,486 C/mol

29

Gibbs free energy as related to standard state

delta(G) = delta(G0) + RT*ln(Q)