Chemistry Final Final

Front 1

what is the oxidation number of Cu in CuSO[4]

Back 1

+2

Front 2

Hydrogen bonds can occur between molecules containing hydrogen and..?

Back 2

Oxygen

Front 3

The intermolecular forces that exist only between polar substances are...?

Back 3

Dipole-Dipole forces

Front 4

What happens to the temperature of a sample of ice at its melting point as it melts?

Back 4

It remains the same

Front 5

what is the greek prefix for the number 7

Back 5

hepta

Front 6

what is the oxidation number of P in Ca[3]P[2]

Back 6

-3

Front 7

the stock system, used to name ionic compounds containing a metal with multiple oxidation states, uses

Back 7

roman numerals

Front 8

t/f...the greek prefix system is normally used for either ionic or covalent compounds

Back 8

false

Front 9

t/f...a more electronegative element receives a negative oxidation number, and a less electronegative element receives a positive oxidation number

Back 9

true

Front 10

t/f...the sum of the oxidation numbers of all the atoms in a compound must equal zero

Back 10

true

Front 11

t/f...an equation may be balanced by adjusting either the coefficients or the subscripts

Back 11

false

Front 12

a compound that contains water molecules in its crystalline structure

Back 12

hydrate

Front 13

covalently bonded groups of atoms that carry charges

Back 13

polyatomic ions

Front 14

a compound that contains hydrogen, oxygen, and another nonmetal

Back 14

ternary acid

Front 15

The temperature at which the vapor pressure of a substance equals 760 torr is called

Back 15

Normal boiling point

Front 16

T/F...
The kinetic theory is applicable only to substances in the gaseous state.

Back 16

False

Front 17

T/F...
During evaporation, the least energetic molecules will escape first.

Back 17

False

Front 18

T/F...
The melting point and freezing point of a pure substance are represented by the same temperature.

Back 18

True

Front 19

T/F...
An increase in temperature causes an increase in viscosity.

Back 19

False

Front 20

T/F...
the highest temperature at which a gas can be liquefied is called the critical temperature.

Back 20

True

Front 21

T/F...
Gases that have critical temperatures above room temperature can be liquefied by pressure alone.

Back 21

True

Front 22

The smallest unit of a crystal that can be used as a building block is called...?

Back 22

A unit cell

Front 23

Elements that can exist in more than one form, such as polymorphs and different crystalline lattice forms, are called what?

Back 23

Allotropes

Front 24

The pressure exerted by evaporated molecules over a liquid is called what?

Back 24

Vapor pressure

Front 25

the first element of this two-element compound is hydrogen

Back 25

binary acid

Front 26

an anion composed of oxygen and one other element

Back 26

oxyanion

Front 27

2NaCl+h[2]SO[4] -----> Na[2]SO[4] + 2HCl

Back 27

double replacement reaction

Front 28

2AlCl[3] ---> 2 Al + 3Cl[3]

Back 28

decomposition reaction

Front 29

TiCl[4] +4Na --->Ti + 4NaCl

Back 29

single replacement reaction

Front 30

NH[3] + CO[2] + H[2]O ---> NH[4]HCO[3]

Back 30

synthesis reaction

Front 31

name the compound [ ] = subscript
P[2]O[5]

Back 31

Diphosphorus pentoxide

Front 32

name the compound [ ] = subscript
MgSO[4] + 7 H[2]O

Back 32

magnesium sulfate heptahydrate

Front 33

the formula for these [ ] = subscript
aluminum phosphate

Back 33

Al PO[4]

Front 34

the formula
ammonium fluoride

Back 34

NH[4]F

Front 35

write the formula for the compound when these bond

aluminum and chlorine

Back 35

AlCl[3]

Front 36

write the formula for the compound when these bond

potassium and oxygen

Back 36

K[2]O

Front 37

balance the equation

___NH[3] + ___O[2] ---> ___H[2]O + ___NO[2]

Back 37

4
7
6
4

Front 38

The energy released when gaseous particles form crystal.

Back 38

Lattice energy

Front 39

The temperature at which a liquids vapor pressure is equal to or greater than the atmospheric pressure above the liquid.

Back 39

Boiling point

Front 40

The conditions of temperature and pressure where a substance can exist as a solid, a liquid or a gas at the same time.

Back 40

Triple Point

Front 41

The amount of force per unit area that must be applied to get a gas to liquefy at its critical temperature.

Back 41

Critical pressure

Front 42

______ are the type of intermolecular attraction that is present in all molecular substances.

Back 42

Dispersion forces

Front 43

The phase change directly from a solid to a gas is called ________.

Back 43

Sublimation

Front 44

Elements and compounds that can form more than one type of crystal lattice pattern are said to be __________.

Back 44

Polymorphous

Front 45

The strong _________ of water explains why a paper clip will float on the surface.

Back 45

Surface tension

Front 46

which of the following is the correct value for avagadros number

Back 46

6.022 x 10 {23}

Front 47

which principle says that the ratio of elements in a compound is constant for every particle in that compound

Back 47

law of definite composition

Front 48

in a chemical reaction, the ______ is used up before the others and prevents more of the products from forming

Back 48

limiting reactant

Front 49

what is the molar mass of NaCl

Back 49

58.44 grams

Front 50

starting with only a balanced chemical equation, it would take the greatest number of steps to convert the

Back 50

mass of a reactant to mass of a product

Front 51

t/f...the number of helium atoms in a mole of helium is equal to the number of lead atoms in a mole of lead

Back 51

true

Front 52

t/f...a mole of sucrose has the same mass as a mole of water molecules

Back 52

false

Front 53

t/f...balanced equations are required in order to perform stoichiometric calculations correctly

Back 53

true

Front 54

number 29 ch 9 test

Back 54

look it up

Front 55

which of the following is not a property of gases

Back 55

malleability

Front 56

which of the following pairs is related by an inverse relationship

Back 56

volume and pressure

Front 57

which gas law focuses on the relationship between pressure and volume

Back 57

boyle's law

Front 58

which gas law is represented by the equation PV=nRT

Back 58

ideal gas law

Front 59

the gas law that focuses on the relationship between volume and temperature is

Back 59

charles law

Front 60

the volume occupied by avogadro's number of molecules of gas at STP is known as the

Back 60

absolute volume

Front 61

if you are collecting a gas by water displacement, you must remember to adjust for

Back 61

vapor pressure

Front 62

t/f...the gas laws cannot be violated

Back 62

false

Front 63

t/f...gay-lussac's law describes the observation that the pressure in hot tires is greater than it is in the same tires when they are cold

Back 63

true

Front 64

A solution is a...?

Back 64

Homogenous mixture

Front 65

A student desires to remove the odor of naphthalene, a nonpolar aromatic hydrocarbon, from his laboratory coat. Which solvent would you suggest?

Back 65

Toluene (nonpolar)

Front 66

The molarity of a solute in a solution is the number of...?

Back 66

Moles of solute per liter of solution

Front 67

Which of the following can be used to distinguish colloids from solutions?

Back 67

Tyndall effect

Front 68

Which of the following would have the lowest boiling point?

Back 68

0.05m C[6]H[12]O[6]

Front 69

The escape of a gas from a liquid-solid solution is called...?

Back 69

Effervescence

Front 70

T/F...
The process of separating solute particles from each other involves the absorption of thermal energy.

Back 70

True

Front 71

T/F...
Gases are generally more soluble in water at higher temperature than at lower temperatures.

Back 71

False

Front 72

T/F...
Colligative properties depend on the type, not the number, of particles in solution

Back 72

False

Front 73

T/F...
A solution has a variable rather than a fixed composition.

Back 73

True

Front 74

t/f...the SI unit for pressure is the pascal (Pa)

Back 74

true

Front 75

t/f...all gas molecules of the same type have the same speed at the same temperature

Back 75

false

Front 76

what law state that the total pressure of a mixture of gases equals the sum of the partial pressures

Back 76

dalton's law of partial pressure

Front 77

what volume does any gas occupy at STP

Back 77

22.7L

Front 78

number 44 chapter 10

Back 78

look it up

Front 79

number 46 chapter 10

Back 79

look it up

Front 80

the members of a conjugate pair differ by only

Back 80

a single proton

Front 81

the whole pH and pOH scales are based on the self-ionization of

Back 81

H[2]O

Front 82

t/f...the arrhenius of acids and bases deal with only aqueous solutions

Back 82

true

Front 83

t/f...all compounds that contain the OH group are bases

Back 83

false

Front 84

t/f...litmus turns blue in a basic solution

Back 84

true

Front 85

t/f...all concentrated acids can also be described as strong acids

Back 85

false

Front 86

____dissocciates to release hydroxide ions

Back 86

arrhenius

Front 87

____can accept a pair of electrons; has at least one empty orbital or bonding site

Back 87

lewis acid

Front 88

substances that change color wen the pH of a solution changes are known as

Back 88

indicators

Front 89

the point in a titration where the amount of hydronium ions equals the amount of hydroxide ions is called the

Back 89

equivalence point

Front 90

what volume of 0.200 M H[2]SO[4] will be needed to neutralize 50.00mL of 0.178 M NaOH?

Back 90

Vu=44.50mL
look at # 49 chapter 16

Front 91

find the [H(3)O+] in a solution that has [OH-] = 8.8 x 10 {-2} M

Back 91

1.14 x 10 {-13}
number 50 chapter 16

Front 92

The motion of particles as a result of molecular collisions is called...?

Back 92

Brownian Motion

Front 93

_______ occurs when the solution contains more dissolved solute than normally occurs at equilibrium.

Back 93

Supersaturation

Front 94

The net energy change during the solution process is measured as the _______ of solution.

Back 94

Enthalpy

Front 95

Calculate the percent by mass of 250g of a solution containing 8.0g of HC[2]H[3]O[2].

Back 95

3.2%

Front 96

Calculate the molarity of a solution that contains 10.0g KOH in 4.0L of solution. The molar mass is KOH is 56.1g/mol.

Back 96

.04M of solution.

Front 97

Find the molality of a saltwater solution containing 0.27 mol NaCl in 150g water.

Back 97

1.8 m of solution

Front 98

number 33 chapter 9

Back 98

look it up

Front 99

How do the boiling points of 3.0 m C[6]H[12]O[6] and 3.0 m CaCl[2] compare?

Back 99

The boiling point of 3.0 m CaCl[2] is higher