Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CHEM 111 > FINAL > Flashcards

FINAL Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

What is the law of Definite Proportions?

A

the elemental composition of a compound is always the same

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

1 Picometer is equal to how many centimeters?

A

1x 10^-10 Centimeters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

1 Micrometer is…

A

1x 10^ -6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the following is not a physical property of water?

a. It freezes at 0°C (at 1 atm pressure)
b. It boils at 100°C (at 1 atm pressure)
c. It is liquid at room temperature
d. It can be decomposed into oxygen and hydrogen gas
e. These are all physical properties of water

A

d. It can be decomposed into oxygen and hydrogen gases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What experiment discovered the charge on an electron?

A

The Millikan oil drop experiment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

132
Xe
54

How many electrons, protons, and neutrons are in this element?

A

54 electrons, 54 protons, 78 neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is not an example of a chemical reaction?

a. Dissolution of a penny in nitric acid
b. The rapid condensation of water vapor
c. Burning a candle
d. The explosive reaction of hydrogen with oxygen, which produces water

A

b. The rapid condensation of water vapor, it is not a chemical reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which one is not an ionic compound?

a. PCl_5
b. MoCl_6
c. RbCl
d. PbCl_2

A

a. PbCl_5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The attractions between oppositely charged ions is what type of bond?

A

Ionic bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Molecules are formed by sharing electrons between atoms is what type of bond?

A

Covalent Bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What would be an isotope of:
39
Cl

36 40
Cl^- or Ar^+?

A

36

Cl^-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

There are how many moles of carbon atoms in 4 moles of dimethylsulfoxide?

(C_2H_6SO)

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the term for a solid going directly to a gas?

A

Sublimation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A substance that completely dissolves in water to form ions is called?

A

A strong electrolyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A neutral carbon atom has…. total electrons

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

An acid that only partially dissociates in water is called a….

A

weak acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Fe^3+ + e^- –> Fe^2+

Is an example of?

A

Reduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q 
The Oxidation number of carbon in CO_3^2-
is:
a. +4
b. +1
c. -2
d. +6
e. 0
A

a. +4

x-6= -2

x=4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does an endothermic reaction do?

A

Absorbs heat from its surroundings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A container where gases cannot leave, but heat can enter and leave is called:

A

a closed system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

In compunds, the oxidation number of metals is usually

A

positive (think Na)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Wo proposed the Law of Octaves?

A

Newlands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The f subshell can hold up to…. electrons

A

14 electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The orbital that has a clover-leaf shape is the:

A

d orbital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which element would have the smallest atomic radii?

a. B
b. O
c. N
d. C
e. Li

A

b. Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The Ca^= ion would have a radius that is….than the Ca atom

A

smaller; cations have a smaller radii than their parents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Enthalpy is denoted by the letter…

A

H

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The quantity of heat required to raise the temperature of a sample of matter by 1°C (1K) is called:

A

the heat capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

In the Bohr model of the atom:

a. Electrons travel in circular paths called orbitals
b. Electrons can have any energy
c. Electrons are quantized
d. Electron paths are controlled by probability
e. Both B and C

A

c. Electrons are quantized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What is and acceptable value for the magnetic spin quantum number?

A

+(1/2) OR -(1/2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

An orbital that has a spherical shape is the:

A

s orbital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

How many valence electrons are there in the element tin?

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

How do you find formal charge?

A

FC= (valence e) -((1/2) bonding e) - (nonbonding e)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Avagadro’s law was:

A

V= constant x n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

The highest electronegitivity of all the elements on the periodic table is:

A

Fluorine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Which of the following is an ionic bond?

a. F-F
b. O-F
c. Cl-F
d. S-O
e. Cs-F

A

e. Cs-F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

To form ions, nonmetals tend to:

A

Gain electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Sideways overlap of atomic orbitals is called a…. bond

A

Pi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

The bond angle of a molecule with molecular geometry of tetrahedral structure geometry is:

A

109.5°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

One of the rules about electrons is that no two electrons in an orbital can have the same:

A

Spin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

A double involves the following types of bonds:

a. Two sigma bonds
b. a sigma and a pi bond
c. two pi bonds
d. either two sigma or two pi bonds
e. a sigma and a delta bond

A

b. a sigma and a pi bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

In an equilibrium recation, a catalyst can:

A

Speed up the time for the reaction to reach equilibrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

What is the conjugate acid of NH_2?

A

NH_3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

First order is represented by:

A

A plot of the ln (concentration) versus time is linear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

A reaction was found to be second order in oxygen concentration and zero order in hydrogen. The rate of the reaction….. if the [O_2] is doubled, with everything else kept the same.

A

increases by a factor of 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

In the rate law, rate k= [A], the units of the rate constant (k) are:

A

(1/s)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

An equilibrium reaction where the reactants and products are all in the same phase is called:

A

a homogeneous equilibrium

48
Q

When Q<K, the reaction will:

A

Shift to the right to produce more products

49
Q

How can you produce more products in an endothermic reaction?

A

decreasing the pressure

50
Q

This has an overall reaction order of:

k[A][B]

A

2

51
Q

If the pH of a solution is 7 then:

A

the [H^+] = [OH^-]

52
Q

Acids often taste:

A

Sour

53
Q

A unimolecular elementary reaction has:

A

One reactant

54
Q

A conjugate acid-pair differs by the presence or absence of:

A

a proton (H^+)

55
Q

A Brønsted acid:

A

Produces H^+ ions in solution

56
Q

A hydrogen bond can form between a hydrogen atom bonded to Oxygen, O-H and

a. C
b. B
c. Cl
d. P
e. N

A

e. N

57
Q

A disadvantage of homogeneous catalysts is that they are sometimes…..

A

hard to separate from the products

58
Q

Viscosity is…

A

The resistance to flow

59
Q

Which of the following is not a pure substance?

a. Argon gas
b. Crude oil
c. Sodium chloride
d. Oxygen gas

A

b. Crude Oil

60
Q

Which of the following is a physical property?

a. Flammability
b. Reactivity
c. Combustibility
d. Boiling point

A

d. Boiling point

61
Q

The SI unit for length is…

A

meter

62
Q

The common unit for density that is used is…

A

g/mL

63
Q

Thomson’s plum pudding (i.e. cookie model) was tested in:

A

Rutherford’s gold foil experiment

64
Q 
Which of the following has ten neutrons?
a. 10
       B
b. 21
       Ne
c. 40
        Ca
d. 19
        F
A

d. 19
F

(Mass #- protons)

65
Q

On the Periodic tabel, which way do the periods go?

Up and Down OR Left to Right

A

Left to right

66
Q

CO_2 is what type of compound?

A

Molecular

67
Q

H_2SO_4 is called:

A

Sulfuric acid

68
Q

The alkali metals (Li, Na, K, etc.) usually form which type of ion?

A

Cation (+)

69
Q

What is one of the key featurees of a combination reaction?

A

It involves only one product

70
Q 
Consider: 196
                       Pt
This atom contains 196 electrons (T/F)
The atom above has 78 protons (T/F)
The atom shown above would be an isotope of Platinum-197 (T/F)
This atom is a cation (T/F)
A

F, T, T, F

71
Q

An acid that completely dissociates in water is called:

A

A strong acid

72
Q

When going across the table from left to right does the atomic size of the radius decrease or increase?

A

Decrease

73
Q

The internal energy of a system is always increased by….

A

Adding heat to the system

74
Q

Which is a state function?

a. H
b. d
c. w
d. q
e. heat

A

a. H

75
Q

Oxidation cannot occur without…

A

Reduction

76
Q

The lowest energy state of an atom where the e;ectrons are in the lowest energy levels is called:

A

the ground state

77
Q

How many total electrons can a p subshell hold?

A

Six

78
Q

……..proposed the law of octaves

A

Newlands

79
Q

For a given process at constant pressure, delta H is negative. This means the process is

A

exothermic

80
Q

A container where both material and heat cannot enter or leave is called

A

An isolated system

81
Q

The d subshell can hold up to….electrons

A

ten

82
Q

(V/T) = constant is who’s law?

A

Charles

83
Q

One significant difference between gases and liquids is that…

A

a gas assumes the volume of its container

84
Q

Nonmetals tend to form… charged ions

A

Negatively

85
Q

Metals are generally found where on the Periodic Table?

A

Towards the left side of the periodic table

86
Q

With the formula Ab_2, the molecular shape is:

a. Linear or bent
b. Linear or triagonal planar
c. Linear or t-shaped
d. Trigonal planar

A

a. Linear or Bent

87
Q

A double bond consists of…. pairs of electrons shared between two atoms

A

2

88
Q

The bond angle between any two positions (or atoms) in a tetrahedral structure is:

A

109.5°

89
Q

According to the VSEPR theory, if there are three electron domains in the valence shell of an atom, they will be arranged in a(n)….electron geometry

A

trigonal planar

90
Q

A dipole moment occure when there is a difference in….in a compound

A

Electonegativity

91
Q

At equilibrium….

A

The rates of the forward and reverse reactions are equal

92
Q

The property responsible for water bugs “floating” on the surface of water is:

A

Surface tension

93
Q

A plot of the ln (concentration) versus time is linear is what order?

A

First

94
Q

Which interaction can occur between all molecules and atoms?

A

London-Dispersion force

95
Q

If a plot of one over concentration (1/ [X]) versus time is linear, what order is it?

A

Second order

96
Q

If you increase the temperature of a reaction, it will produce more products if:

A

The reaction is endothermic

97
Q

A reaction was found to be second order in hydrogen concentration. The rate of the reaction…. if the [H_2] is doubled, with everything else kept the same.

A

Increases by a factor of 4

98
Q

In an equilibrium recation a catalyst can:

A

speed the reaction up to equilibrium

99
Q

An activated complex is also known as a

A

transition state

100
Q

When the equilibrium constant is written as K_c, the c stands for

A

concentration

101
Q

When Q<K, the reaction will

A

Shift to the right to produce more products

102
Q

To result more products being produced in an exothermic reaction, you must

A

Increase the pressure

103
Q

Which of the following is a characteristic of acids?

a. Bitter
b. Slippery
c. Soapy
d. Sour tasting
e. Aromatic

A

d. Sour tasting

104
Q

The conjgate acid of NH_3 is

A

NH_4^+

105
Q

The overall reaction oerder of the following rate law ( rate= k[A][B]) is …

A

Two

106
Q

If the pH of a solution is 9…then

A

the [H^+]< [OH^-]

107
Q

In a kinetic rate law, the ‘k’ is called the

A

Rate constant

108
Q

For the reaction B=B–> Products, the molecularity of this reaction would be

A

Bimolecular

109
Q

A Bronsted-Lowry base… does what?

A

accepts H+ ions from another substance

110
Q

The pH of neutral water is…

A

7

111
Q

Metals generally (lose/gain) electrons

A

Lose

112
Q

Nonmetals generally (lose/gain) electrons

A

Gain

113
Q

1 nanometer (nm)=…..meters

A

1.0x10^-9 meters

114
Q

Planck’s Constant is…

A

6.63 x10^-34 Jxs

115
Q

Speed of light is…

A

c= 3.0x10^8 m/s

116
Q

-hCR_h is equal to…

A

2.18x 10^-18 J

CHEM 111 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions