Chapters 13-15

Question 1

A large organic molecule made from a chain of many smaller molecules

Answer 1

Polymer

Question 2

The substances that undergo a chemical change are the

Answer 2

Reactants

Question 3

An ionic compound that does not contain either a hydrogen ion or a hydroxide ion is a

Answer 3

Salt

Question 4

Energy is absorbed from the surroundings and stored in chemical bounds by an

Answer 4

Endothermic reaction

Question 5

Using an electrical current through a solution to coat an object with a thin layer of metal

Answer 5

Electroplating

Question 6

The study of the rates of chemical reactions is

Answer 6

Chemical kinetics

Question 7

The building blocks of proteins

Answer 7

Amion acids

Question 8

The number indicating how many molecules are involved in a reaction

Answer 8

coefficient

Question 9

What property of water measures the acidity and basicity of solutions

Answer 9

Water reacts slightly with itself

Question 10

What is the uniqueness of carbon

Answer 10

Carbon has 4 valence elctrons

Question 11

What molecule is the working copy of genetic information

Answer 11

RNA

Question 12

What substances transport cholesterol

Answer 12

Lipoproteins

Question 13

Why is ammonia a base

Answer 13

it produces hydroxide ions

Question 14

What is used for short term fuel storage

Answer 14

Starch

Question 15

What type of reaction occurs when two compounds switch two parts

Answer 15

Double displacement

Question 16

If 1x10^-4 is increased by 6, what is the new pH?

Answer 16

10

Question 17

What functional group is found in the middle of the molecule

Answer 17

Ester group

Question 18

What is true about every anode of every electrochemical cell

Answer 18

Electron current leaves at the anode

Question 19

When an equilibrium is disturbed, what causes the system to partially offset the disturbance

Answer 19

Le Chatelier’s principle

Question 20

What is a comibionation reaction

Answer 20

A+B—–> AB

Question 21

Hydrogen gas uses Zn and how many HCl?

Answer 21

2

Question 22

A compound that contains only hydrogen and carbon and has a cyclic structure with delocalized electrons

Answer 22

Aromatic hydrocarbon

Question 23

Kinetic energy that two colliding molecules must have to undergo a chemical change

Answer 23

activation energy

Question 24

What is a chemical change resulting from a collision between molecules

Answer 24

Chemical reaction

Question 25

What term describes a chemical equation that has the same number of atoms of each element on both sides of the arrow

Answer 25

Balanced

Question 26

What is Hv3O+ called

Answer 26

Oxonium

Question 27

What is a segment of DNA contains the code for a specific substance

Answer 27

Gene

Question 28

What term describes a substance that is neither and acid or a base

Answer 28

Neutral

Question 29

What branch of chemistry studies carbon containing compounds

Answer 29

Organic Chemistry

Question 30

What is the term for reaction which electrons are transferred between atoms

Answer 30

redox

Question 31

What term is a situation that 2 reaction are in opposite directions occur at the same rate

Answer 31

Equilibrium

Question 32

What are atoms of the same element that have different mass numbers

Answer 32

Isoopes

Question 33

How many neutrons are in 26/12 Mg?

Answer 33

14

Question 34

What bond is when 4 electrons are shared with 2 atoms

Answer 34

Double bond

Question 35

What is the minimum amount of material required for a reaction to occur?

Answer 35

Critical mass

Question 36

What does the Bohr model look like

Answer 36

A nucleus with layered shells of electrons

Question 37

What will cause the sugar cube to dissolve most quickly

Answer 37

hot water being stirred

Question 38

What type of substance is MnO4-

Answer 38

a polyatomic ion

Question 39

What is the symbol for oxygen

Answer 39

O

Question 40

What is the symbol for potassium

Answer 40

K

Question 41

What is the symbol for sodium

Answer 41

Na

Question 42

What is the symbol for gold

Answer 42

Au

Question 43

The idea that tiny particles do not absorb or release energy smoothly

Answer 43

Quantum theory

Question 44

The idea that no two electrons can have the same 4 qunatum numbers

Answer 44

Pauli exclusion principle

Question 45

What is the molar mass of B2H6 B=10.81 and H=1.008

Answer 45

27.67

Question 46

A homogenous mixture is a

Answer 46

solution

Question 47

An atom that has a positive charge is

Answer 47

A cation

Question 48

If 2 atoms are bonded covalently with different charges the bond between them is

Answer 48

Polar

Question 49

A substance made of 2 or more elements

Answer 49

Compound

Question 50

Elements are divided into 3 groups, metals, semimetals, and ?

Answer 50

Nonmetals

Question 51

Mixing molecues by random molecular motion

Answer 51

diffusion

Question 52

1 Uranium and 6 fluorine is

Answer 52

Uranium hexafluoride

Question 53

What is not a principle of atomic theory

Answer 53

All atoms are made of subatomic particles

Question 54

What type of decay is when unstable atom ejects 2 protons and 2 neutrons

Answer 54

Alpha decay

Question 55

The decay in which an electron is emitted

Answer 55

Gamma

Question 56

one way diffusion through a semi permeable membrane

Answer 56

Osmosis

Question 57

The strongest intermolecular force

Answer 57

hydrogen bond

Question 58

Intermolecular force between all molecules

Answer 58

London force

Question 59

The property that describes how strongly atoms pull on electrons

Answer 59

electronegativity

Question 60

What would increase a boiling point if everything else stays the same?

Answer 60

increase intermolecular forces

Question 61

What is Ca

Answer 61

Calcium

Question 62

What is the only metals that is liquid at room temperature

Answer 62

mercury

Question 63

What is not a suspension

Answer 63

table salt

Question 64

What type of reactor produces more fuel than it consumes

Answer 64

Breeder reactor

Question 65

Substances that are composed of only 1 type of atoms

Answer 65

element

Question 66

What is an empirical formula

Answer 66

just letters

Question 67

What is needed for hydrogen bonding

Answer 67

Hydrogen must be bound to an electronegative atom

Question 68

What is a row of elements

Answer 68

period

Question 69

A physical combination of pure substances

Answer 69

mixtures

Question 70

What is Scl4

Answer 70

Sulfur tetrachloride