ACS Final 2015

Question 1

How to find Kw

Answer 1

[H30+][OH-]=1.0*x10^14

Question 2

How to find Kw

Answer 2

[H30+][OH-]=1.0*x10^14

Question 3

How to find pKa

Answer 3

-log(Ka)

Question 4

[H3O+]

Answer 4

Square root of (Ka)(initial concentration)

Question 5

STRONG ACIDS

Answer 5

HCl, HBr, HI, HClO4, H2SO4, HNO3

Question 6

Weak acids Ka…

Question 7

Weak acid + strong base pH …

Answer 7

> 7

Question 8

Strong acid + weak base titration pH…

Question 9

Buffer equation

Answer 9

pH=pKa + log([salt]/[acid])

Question 10

Ka =

Answer 10

Concentration of products divided by concentration of reactants

Question 11

1st Law of Thermodynamics

Answer 11

mass is neither created nor destroyed

Question 12

2nd Law of thermodynamics

Answer 12

entropy will always increase in the natural world

Question 13

3rd Law of thermodynamics

Answer 13

A perfect crystalline solid is 0 K

Question 14

Enthalpy

Answer 14

heat is absorbed

Question 15

Delta H

Answer 15

Exothermic

Question 16

Delta H > 0

Answer 16

Endothermic

Question 17

Entropy

Answer 17

disorder of a substance

Question 18

+delta S

Answer 18

More randomness

Question 19

Gibbs Free Energy

Answer 19

⋀G=⋀H-T⋀S

Question 20

⋀G +

Answer 20

SPONTANEOUS

Question 21

⋀G -

Answer 21

Non-spontaneous

Question 22

Gas equilibrium constant

Answer 22

⋀G = -RTln(K)

Question 23

Low Ksp

Answer 23

Low solubility

Question 24

Le Chât’s Principle

Answer 24

Equilibrium will shift in response stop temperature, pressure or concentration

Question 25

[H3O+]

Answer 25

Square root of (Ka)(initial concentration)

Question 26

STRONG ACIDS

Answer 26

HCl, HBr, HI, HClO4, H2SO4, HNO3

Question 27

Weak acids Ka...

Question 28

Weak acid + strong base pH ...

Answer 28

> 7

Question 29

Strong acid + weak base titration pH...

Question 30

Buffer equation

Answer 30

pH=pKa + log([salt]/[acid])

Question 31

Ka =

Answer 31

Concentration of products divided by concentration of reactants

Question 32

1st Law of Thermodynamics

Answer 32

mass is neither created nor destroyed

Question 33

2nd Law of thermodynamics

Answer 33

entropy will always increase in the natural world

Question 34

3rd Law of thermodynamics

Answer 34

A perfect crystalline solid is 0 K

Question 35

Enthalpy

Answer 35

heat is absorbed

Question 36

Delta H

Answer 36

Exothermic

Question 37

Delta H > 0

Answer 37

Endothermic

Question 38

Entropy

Answer 38

disorder of a substance

Question 39

+delta S

Answer 39

More randomness

Question 40

Gibbs Free Energy

Answer 40

⋀G=⋀H-T⋀S

Question 41

⋀G +

Answer 41

SPONTANEOUS

Question 42

⋀G -

Answer 42

Non-spontaneous

Question 43

Gas equilibrium constant

Answer 43

⋀G = -RTln(K)

Question 44

Low Ksp

Answer 44

Low solubility

Question 45

How to find K

Answer 45

[B]^b/[A]^a

Question 46

Le Chât's Principle

Answer 46

Equilibrium will shift in response stop temperature, pressure or concentration

Question 47

When AB adding A will...

Answer 47

Cause it to shift to B

Question 48

Lowering temp (exothermic)

Answer 48

Shift toward product

Question 49

Lowering temp (endothermic)

Answer 49

Shift toward reactant

Question 50

First order-

Answer 50

ln[A] vs. time

Question 51

Second order-

Answer 51

1/[A] + kt

Question 52

Zero order-

Answer 52

-kt + [A]

Question 53

Arrhenius equation-

Answer 53

l=Ae^(-Ea/RT)

Question 54

Boyle's law

Answer 54

PxV

Question 55

Charles's Law

Answer 55

V/T

Question 56

Volume/temp proportion

Answer 56

v1t2=v2t1

Question 57

Avagadro's Law

Answer 57

V/n

Question 58

IDEAL GAS LAW

Answer 58

pV=nRT

Question 59

Partial Pressures

Answer 59

P(total)= p1+p2+p3....

Question 60

Mole fraction=

Answer 60

x/x+y+z