Exam I formulas Flashcards Preview

Chemistry > Exam I formulas > Flashcards

Flashcards in Exam I formulas Deck (12):
1

Charles' Law

V/T (initial) V/T (after)

-as temperature increases, volume increases
-direct relationship (linear graph)

2

Boyle's Law

PV (initial) = PV (after)

-as volume decreases, pressure increases
-inverse relationship (curve)

3

Avogadro's Law

V/n (initial) = V/n (after)

-as volume increases, moles increase
-direct relationship (linear graph)

4

Ideal Gas Law

PV = nRT

5

Density

p = (MW * P)/(RT)
number density: p = n/V
mass density: p = m/V

6

molecular weight

MW = (pRT)/P

7

Kinetic energy

E(k) = (3/2)RT = (1/2)mv^2

8

Vrms

v(rms) = sqrt (3RT/M)

9

Gay-Lusaac's Law

P/T (before) = P/T (after)
direct relationship

10

Difficult to do this law

nT = nT

11

comparing velocities at the same temp

v1/v2 = sqrt M2/M1

12

Van der Waals Law

(P+ an^2/v^2)(V-nb) = nRT