Chem 10-11

Front 1

When a piece of magnesium metal is added to hydrochloric acid, what gas is produced?

Back 1

Hydrogen Gas

Front 2

Acid rain has a pH that is…

Back 2

less than 6.2

Front 3

Characteristics of a Base

Back 3

Produces OH-

Slippery, soapy feel (because it reacts with oil in the skin)

Tastes bitter

Phenolphthalein: pink

Front 4

A Brønsted-Lowry Acid..

Back 4

Donates the H+

(In H2O+CO3=HCO3+OH, H2O is the Brønsted-Lowry acid)

Front 5

Characteristics of an Acid

Back 5

Produce H+

Corrosive

Sour taste

Phenolphthalein: colorless

Front 6

The eq constant for a reaction __ with temperature.

Back 6

Does not change

Front 7

Kw

Back 7

1E-14

Front 8

Magnesium metal is attacked by..

Back 8

Sulfuric acid solutions.

Front 9

Catalytic Converters

Back 9

Uses a catalyst to lower activation barrier

Produces CO2 and H2O, potentially produces CO which is deadly (the catalytic converter takes the CO and finished the reaction)

Uses platinum

Front 10

Catalytic Converters

Back 10

Uses a catalyst to lower activation barrier

Produces CO2 and H2O, potentially produces CO which is deadly (the catalytic converter takes the CO and finished the reaction)

Uses platinum

Front 11

When finding a conjugate base you take the H+ from..

Back 11

Oxygen not carbon.

Front 12

Stronger Acid means a ___ Ka

Back 12

Bigger

Front 13

More base means a __ pH

Back 13

Higher

Front 14

More acid means a __ pH

Back 14

Lower

Front 15

Ionization

Back 15

Turning into corresponding ions

Front 16

Activation Energy

Back 16

Energy needed to break existing bonds

Front 17

In the ionization of water

Back 17

H+ is transferred from one H2O molecule to the other

One molecule acts as an acid while another acts as a base

(H2O+H2O=H3O+OH)

Front 18

Magnesium reacts

Back 18

Rapidly with acid and forms a salt of Mg and H2 gas

Front 19

Acids and Metals

Back 19

Metal + Acid = Metal Sale + Hydrogen gas

Front 20

Acids and Carbonates

Back 20

Acids react with carbonates to produce CO2, H2O and an Ionic compound (salt)

The acids react with CO3 to produce carbonic acid, H2CO3, which breaks down rapidly to CO2 and H2O

Metal + Acid = Carbon Dioxide + Metal Salt + Water

Front 21

Your lungs act as a

Back 21

Buffer and adjusts chemicals as needed

Smoking raises the acidity of blood

H2CO3 = H2O + CO2

Front 22

Neutralization Reactions

Back 22

Neutralization is the reaction of an acid and a base

Front 23

Buffer solution

Back 23

Maintains pH by neutralizing added acid or base

Blood contains buffers

Front 24

Buffer Expression Steps

Back 24

1. Ka = (H3O x Con. base)/weak acid

2. H3O = Ka x (weak acid/con base)

3. pH = -log(H3O)

Front 25

Increasing the rate of a reaction causes:

Back 25

More sound

Less combustion

Front 26

Enzymes sre

Back 26

Biological catalysts

Front 27

Le Chanteliers

Back 27

When a stress is applied to a system at equilibrium the system will respond by shifting in the direction that minimizes the effect of the stress

Front 28

Arrhenius Acids

Back 28

Produce H+ ions in H2O

Turn blue litmus paper red

Front 29

Monoprotic acid

Back 29

Produces one H+

Naming continues as more H+ is added (H2SO4 is diprotic)

Front 30

Binary Acids

Back 30

Prefix “hydro” with an “ic” ending; HCl = hydrochloric acid

Front 31

Oxy/Polyatomic acids

Back 31

No prefix

-Ate = -ic (HClO3 = Chloric Acid)

-Ite = -Ous (HBrO2 = Bromous Acid)

Front 32

Basic bases donate OH…

Back 32

All at the same time (if multiple)

Front 33

Weak acids

Back 33

Partially ionize

Front 34

When a reaction is at equilibrium…when

Back 34

The forward and reverse actions cover at the same rate

Front 35

When you open a bottle of soft drink and leave it open, the drink eventually goes flat. This is because the equilibrium between carbonic acid and carbon dioxide shifts to produce

Back 35

More carbon dioxide

Front 36

One function of a catalyst is to

Back 36

Increase the number of successful reactant collisions

Front 37

The rate of a chemical reaction can be determined by observing..

Back 37

The amount of product formed in a unit of time

Front 38

Ammonium hydroxide is a weak base because

Back 38

It dissociates only slightly in water

Front 39

When a reaction is at equilibrium…when

Back 39

The forward and reverse actions cover at the same rate

Front 40

When you open a bottle of soft drink and leave it open, the drink eventually goes flat. This is because the equilibrium between carbonic acid and carbon dioxide shifts to produce

Back 40

More carbon dioxide

Front 41

One function of a catalyst is to

Back 41

Increase the number of successful reactant collisions

Front 42

The rate of a chemical reaction can be determined by observing..

Back 42

The amount of product formed in a unit of time

Front 43

Ammonium hydroxide is a weak base because

Back 43

It dissociates only slightly in water