Final

Question 1

ΔHrxn = …

Answer 1

ΔE + PΔV

Question 2

ΔE = …

Answer 2

q + W

Question 3

PΔV = …

Answer 3

-W

Question 4

frequency =

Answer 4

c/wavelength

Question 5

Energy =

Answer 5

h*frequency = hc/wavelength

Question 6

de Broglie relation:

Answer 6

wavelength = h/(m*velocity)

Question 7

Stupid space donut:

Answer 7

z^2

Question 8

Positive ΔH and q =

Answer 8

Endothermic. Vaporization.

Question 9

Negative ΔH and q =

Answer 9

Exothermic. Condensation.

Question 10

Positive work:

Answer 10

Work done ON the system

Question 11

Negative work:

Answer 11

Work done BY the system

Question 12

Constant P:

Answer 12

Lower heat production

Question 13

Constant V:

Answer 13

More heat production

Question 14

Paramagnetic:

Answer 14

Has unpaired electrons. Interacts with magnetic field.

Question 15

Diamagnetic:

Answer 15

No unpaired electrons. Does not interact with magnetic field.

Question 16

Pauli exclusion principle:

Answer 16

No two electrons can have the same quantum number.

Question 17

Aufbau principle:

Answer 17

Orbitals fill from lowest to highest energy level.

Question 18

Hund’s rule:

Answer 18

One electrons per orbital with parallel spin until it becomes necessary to double up.

Question 19

Exceptions to Aufbau principle:

Answer 19

Cr, Cu

Question 20

Periodic table trends:

IE? Atomic radius? Metallic character?

Answer 20

IE = He
Radius = Rb
Metallic character = Rb

Question 21

Lowest IE =

Answer 21

Most exothermic

Question 22

Cations vs atoms vs anions

Answer 22

Cation < atom < anion

Question 23

What happens to reactivity as IE decreases?

Answer 23

Reactivity increases

Question 24

What happens to atom size as effective charge increases?

Answer 24

Atom size decreases

Question 25

Boyle's law:

Answer 25

V -> 1/P

Question 26

Charles' law:

Answer 26

V -> T

Question 27

Avogadro's law:

Answer 27

V -> n

Question 28

What goes up when IMF goes up?

Answer 28

SA, mm, viscosity, length, pressure

Question 29

What goes down when IMF goes up?

Answer 29

Vapour pressure

Question 30

What happens to viscosity when temp goes up?

Answer 30

Viscosity decreases

Question 31

What happens to average energy when temp goes up?

Answer 31

Average energy increases

Question 32

What happens to boiling point as pressure increases?

Answer 32

Boiling point increases

Question 33

Metal/halogen reaction:

Answer 33

2M + X(2) -> 2MX

Question 34

Millikan oil drop experiment:

Answer 34

Charge of electron

Question 35

Rutherford gold foil experiment:

Answer 35

Atom model, nuclear theory