Mcat Chemistry Lecture 1 (Ek)

Front 1

Mass

Back 1

Kilogram (kg)

Front 2

Length

Back 2

Meter (m)

Front 3

Time

Back 3

Second (s)

Front 4

Electric current

Back 4

Ampere (A)

Front 5

Temperature

Back 5

Kelvin (K)

Front 6

Luminous intensity

Back 6

Candela (cd)

Front 7

Amount of substance

Back 7

Mole (mol)

Front 8

Amount of substance

Back 8

Mole (mol)

Front 9

Mega

Back 9

M (10^6)

Front 10

Kilo

Back 10

K (10^3)

Front 11

Luminous intensity

Back 11

Candela (cd)

Front 12

Femto

Back 12

f (10^-15)

Front 13

Amount of substance

Back 13

Mole (mol)

Front 14

Mega

Back 14

M (10^6)

Front 15

Kilo

Back 15

K (10^3)

Front 16

Deci

Back 16

d (10^-1)

Front 17

Centi

Back 17

c (10^-2)

Front 18

Milli

Back 18

m (10^-3)

Front 19

Micro

Back 19

u (10^-6)

Front 20

Nano

Back 20

n (10^-9)

Front 21

Pico

Back 21

p (10^-12)

Front 22

Empirical formula

Back 22

Smallest ratio of whole numbers

Front 23

Molecular formula

Back 23

Exact number of elemental atoms

Front 24

Rate constant (k) is affected by what 3 things?

Back 24

1. Pressure (only for gases)

2. Catalyst (lower activation energy)

3. Temperature

When any of these 3 increase, k increase.

Front 25

Arrhenius equation (rate constant)

Back 25

k = Ae^(-Ea/RT)

Front 26

Percent yield

Back 26

Actual yield/ Theoretical yield

Front 27

Bond with Dipole moment

Back 27

Polar

Front 28

Bond without dipole moment

Back 28

Non-polar

Front 29

Strongest dipole-dipole interaction

Back 29

Hydrogen bond (FON)

Front 30

To determine mass when given moles

Back 30

Moles = grams/atomic or molecular wt

Front 31

Elementary reaction

Back 31

Reaction that occurs in a single step.

Front 32

When can you use coefficients from balanced equation for exponent in the rate law?

Back 32

When equation is elementary

Front 33

What do catalysts do?

Back 33

Lower the activation energy

Front 34

Alpha decay

Back 34

Lose helium nucleus (mass change: -4)

Change in atomic # (-2)

Front 35

Beta decay

Back 35

Neutron becomes proton, electron emitted or positron absorbed.

No change in mass.

Atomic number: +1

Hint 35

Breakdown or formation of a single neutron (n)

Front 36

Beta decay

Back 36

Breakdown or formation of a single neutron (n)

Front 37

What do catalysts do?

Back 37

Lower the activation energy

Front 38

Alpha decay

Back 38

Lose helium nucleus (mass change: -4)

Change in atomic # (-2)

Front 39

Beta decay

Back 39

Neutron becomes proton, electron emitted or positron absorbed.

No change in mass.

Atomic number: +1

Hint 39

Breakdown or formation of a single neutron (n)

Front 40

Beta decay

Back 40

Breakdown or formation of a single neutron (n)

Front 41

Electron capture

Back 41

Capture if an electron and merging with proton to form a neutron

Front 42

What do catalysts do?

Back 42

Lower the activation energy

Front 43

Alpha decay

Back 43

Lose helium nucleus (mass change: -4)

Change in atomic # (-2)

Front 44

Beta decay

Back 44

Neutron becomes proton, electron emitted or positron absorbed.

No change in mass.

Atomic number: +1

Hint 44

Breakdown or formation of a single neutron (n)

Front 45

Beta decay

Back 45

Breakdown or formation of a single neutron (n)

Front 46

Electron capture

Back 46

Capture if an electron and merging with proton to form a neutron

Front 47

Gamma decay

Back 47

Occurs with other types of radioactive decay.

Front 48

Can a catalyst alter the equilibrium or equilibrium constant of a reaction?

Back 48

No

Front 49

Positron emission

Back 49

Proton becomes neutron and positron is emitted (0, 1, e)

Front 50

Radioactive decay follows what order kinetics?

Back 50

1st order

Hint 50

Reaction rate is directly proportional to a single reactant's concentration

Front 51

Arrhenius equation

Back 51

Back (Definition)

Front 52

The Law of Mass Action

Back 52

Back (Definition)

Front 53

Heisenberg Uncertainty Principle

Back 53

Back (Definition)