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Chemistry End of Year Review Flashcards | StudBud
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Chemistry End of Year Review
Chemistry End of Year Review
70 terms
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An E.O.Y review project for my class. Enjoy.
Flashcards
70 cards
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Practice quiz
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Host live
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Questions
70
Answers
1
How many orbitals are in the
f
sublevel? (Ch.4)
2
7
3
1
2
What is the mass, in grams, of 56.2 L of O
2
? (Ch.11)
1,798.4 g O2
80.2 g O2
40.1 g O2
2.5 g O2
3
What is the periodic law? (Ch.5)
Elements change periodically with their atomic numbers
Wait isn't that supposed to be the periodic table?
Elements in order of their atomic numbers.
Any of the series of heavy radioactive elements.
4
Did you enjoy this review? (Ch.??)
No
Yes
Please don't choose this..
I don't know
5
What is titration? (Ch.15)
A solution of known concentration.
Method to determine concentration of substances in solutions
The range in concentration.
A highly purified solid compound used in titration.
6
Define conjugate base. (Ch.14)
An acid that forms when a base gains a proton.
The reaction of the ions that characterize acids and bases.
A base that forms when an acid loses a proton.
Describes substances that have properties of acids and bases
7
In the equation, 2H
2
+O
2
→2H
2
O, given 2 mol H
2
and 2 mol O
2
which is the limiting reagent? (Ch.9)
O2
H2
8
Half-life plutonium239: 24110 years. Given 100g, how many half-lives have passed if 25g remain?
75
4
2
1/2
9
What is the molecular shape of water? (Ch.6)
Pyramidal
Bent
Trigonal-planar
Linear
10
What is the empirical formula of glucose? (Ch.7)
CHO
C6H12O6
C2H4O2
CH2O
11
What is a net ionic equation? (Ch.13)
Ions that do not participate in a chemical reaction.
The separating of a molecule into simpler molecules, etc.
An equation; compounds and ions that chemically change shown
Compounds; dissociate to small extent in aqueous solutions
12
What is the highest sublevel in O? (Ch.4)
f
s
p
d
13
If 100 g of NaCl is dissolved in water to make 1 L of a solution, what is the molarity of NaCl?
1 M solution
1.71 M solution
0.5 M solution
58.453 M solution
14
What is the SI unit for electric current? (Ch.2)
Ampere
Mole
Amps
Volts
15
What is electrochemistry? (Ch.20)
The relationship of electric forces and chemical reactions
A study of composition, structure, and properties of matter.
Calculations involving the mass of elements in compounds.
The study of energy changes that accompany chemical reaction
16
Which of these is the formula of sulfuric acid? (Ch.14)
H2S
H2SO4
HSO4
H2SO3
17
Which is the correct equation of the dissolution of NaCl in water? (Ch.13)
2Na+ + Cl2- → 2NaCl
NaCl → Na + Cl
2NaCl → 2Na+ + Cl2-
NaCl → Na+ + Cl-
18
Molar Enthalpy of vaporization for water is 40.79 kJ/mol. What is this in joules per gram?Ch.10
2,266 J/g
40,790 J/g
40.79 J/g
2.266 J/g
19
What is a radioactive nuclide? (Ch.21)
Nuclide that contains isotopes that decay and emit radiation
A nuclide produced by radioactive decay of another nuclide
a particle that has the same mass and spin
An element's atomic number that is greater than uranium's
20
What is the
noble gas
configuration of Uranium? (Ch.5)
[Rn] 7s2 5f3 6d1
[Ar] 4s2 3d10 4p6 5s2 4d10 5p6 6s2 5d10 4f14 6p6 7s2 5f3 6d1
Rn
What's that?
21
Monosaccharides are... (Ch.23)
Lipids
Saccharides
Carbohydrates
Amino acids
22
What is Boyle's law? (Ch.11)
The L occupied by gas is directly proportional to absolute K
The L of the gas increases as the K of the gas increases.
The L of gas ↑ as the Pa of the gas ↓ and vice versa.
23
What is a hypothesis? (Ch.2)
An explanation that can be tested
The explanation for some phenomenon based on reasoning.
24
Which of the following are named correctly? (Ch.22)
2-monone
1-pentyne
6-septene
Pentene
25
What is the electron configuration of Oxygen? (Ch.5)
1s8
1s 2s 2p
1s2 2s2 2p4
1s2 2s4 2p2
26
What is the law of definite proportions? (Ch.3)
Chemical compounds have the same elements in the same ratios
Mass cannot be created or destroyed
Two elements combine, mass of 1 element is in simplest ratio
27
What is entropy? (Ch.16)
The energy in a system that is available for work.
Mr. Kesten's desk
A measure of the randomness or disorder of a system
Is this scdfdsgnkserfjwdrofdkbvjdsrief entropy?
28
What is chemistry? (Ch.1)
A study of composition, structure, and properties of matter.
Chemistry
A physical science.
A natural science that studies life and living organisms
29
What is pOH? (Ch.15)
A value that is used to express the acidity of a system.
The logarithm of hydroxide ion concentrations in solutions.
I think you spelt "pH" wrong.
A unit of measurement in chemistry.
30
NaI + Cl
2
→ NaCl + I
2
is an example of what type of reaction? (Ch.8)
Synthesis
Single replacement
Replacement
Double replacement
31
Is 2H
2
+ O
2
→ 2H
2
O + 438.6 kJ, an endothermic or exothermic reaction? (Ch.16)
Endothermic
Exothermic
32
What is the mass in grams of 3.00 mol of carbon-12? (Ch.3)
6 g
36 g
12 g
3 g
33
Convert 576 kilograms to grams. (Ch.2)
576,000 g
576 g
57,600 g
5,760 g
34
True or False: Oxidation-Reduction reactions and redox reactions are the same thing. (Ch.19)
True
False
35
What is the activity series? (Ch.8)
Elements have like properties and are in order of activity.
a chemical reaction that uses symbols to show.
An electric current is used to produce a chemical reaction
36
True or False: Ice has a lower density than water in its liquid state. (Ch.10)
True
False
37
Which of these is a half reaction of 2H
2
+ O
2
→ 2H
2
O? (Ch.19)
O2 + 4e- → 2O2-
2H2+ → 2H2 + 4e-
H2 - 2e- → 2H2+
38
Define osmotic pressure. (Ch.13)
The external pressure that must be applied to stop osmosis.
The pressure need for the diffusion of water.
39
Which of these is not a property? (Ch.1)
Air
Solid
Plasma
Liquid
40
Which of these are salts? (Ch.7)
NaCl
CaSO4
H2O
HCl
41
What is reaction rate? (Ch.17)
A catalyst that is in the same phase as the reactants are in
The rate at which a chemical reaction takes place.
A catalyst that is in a different phase of reactants.
Reaction in which the reactants are in two different phases.
42
Which of these is a homogeneous mixture? (Ch.12)
Salt Water
Apple juice
Milk
Water
43
What is the electromagnetic spectrum? (Ch.4)
The broad band of all colors emitted by incandescent solids
The degree to which a substance emits radiant energy
The radiation associated with an electric and magnetic field
The frequencies or wavelengths of electromagnetic radiation
44
Define activation energy. (Ch.17)
The way in which a chemical reaction takes place.
Molecules in an unstable state in the middle of a reaction.
All of the reactants and products are in the same phase.
The minimum amount of energy to start a chemical reaction.
45
What is the common-ion effect? (Ch.18)
A solution that resists changes in pH.
The term Ka.
The adding of an ion common to 2 solutes bring precipitation
46
What is Dalton's law of partial pressures? (Ch.11)
The Pa of gases equals to partial Pa of component gases
the amount of force exerted per unit area of a surface
the pressure of each gas in a mixture
an instrument that measures atmospheric pressure
47
What is a solution? (Ch.12)
An answer to a problem
A type of mixture
A mixture of two or more substances uniformly dispersed.
Something capable of dissolving in a particular solvent
48
Based on the table, what is the rate law for F
2
(g) + 2ClO
2
(g)→ FClO
2
(g)? (Ch.17)
R α [F2]
R k [F2] [ClO2]
R α [ClO2]
49
What is thermochemistry? (Ch.16)
The quantity of energy as heat released or absorbed
The study of energy changes that accompany chemical reaction
The quantity of heat required to raise mass by 1 K or 1 °C
a measure of how hot (or cold) something is
50
Which of these is not a type of chemical reaction? (Ch.8)
Explosion
Synthesis
Decompostion
Combustion
51
Define chemical equilibrium. (Ch.18)
The rate of a forward reaction is the same in reverse.
A number that relates concentrations of starting materials.
The equation for the equilibrium constant.
A chemical reaction in which can be repeated inversely.
52
Name the following organic compound. (Ch.22)
Butanoic acid
Butane
2-butanone
1-butanol
53
In the equation HCl+NaOH→NaCl+H
2
O how many mol of NaOH is required to react with 9 mol HCl? Ch9
9 mol NaOH
18 mol NaOH
2.25 mol NaOH
4.5 mol NaOH
54
What is the VESPR theory? (Ch.6)
The attraction of electrons coming from uneven distribution
A theory that predicts some molecular shapes
Orbitals that form the geometry of chemical bonds of atoms
A structural formula in where dots represent electrons
55
Fill in the blank.
32
15
P + ___ →
33
15
P (Ch.21)
42He
0-1β
10n
56
What is a real gas? (Ch.10)
An imaginary gas whose particles are infinitely small.
A gas that does not behave like a hypothetical ideal gas
A state of matter in which atoms move past each other.
Air
57
Define half-reaction. (Ch.19)
A species is oxidized and the other is reduced.
The part of a reaction that involves oxidation or reduction.
Half of a chemical reaction.
58
Classify the element Xe and where it would go on the periodic table. (Ch.1)
Metal; Group 1-12
Non-metal; Group 14-17
Noble gas; Group 18
An element; On the left
59
Suppose a substance has a pH of 4.35. Determine the pOH. (Ch.15)
pOH 4.35
pOH 12
pOH 9.65
pOH 8.7
60
What is metabolism? (Ch.23)
The process of making a copy of DNA.
The metabolic synthesis of biomolecules from small molecules
The sum of all chemical processes that occur in an organism.
One of the carbohydrates made up of long chains of sugars.
61
What is Avogadro's number? (Ch.3)
a number used for Avogadro.
The mass of every element.
a number by Avogadro.
6.02 × 1023, the number of atoms or molecules in 1 mol.
62
Which of these is
not
a molecular shape? (Ch.6)
Bent
Cubic
Trigonal-bipyramidal
Octahedral
63
What is an organic compound? (Ch.22)
An organic compound composed only of carbon and hydrogen.
The binding of an element to itself to form chains or rings.
A compound that exists in 2≤ geometrically different config.
A covalently bonded compound that contains carbon.
64
What is the complementary strand of DNA for TCGAAGCTGACACTCTTG? (Ch.23)
AGCUUGCACUGUGAGAAC
TCGAAGCTGACACTCTTG
AGCTTCGACTGTGAGAAC
TACGTACGTACGTACTGCAT
65
What is the
E
0
in the half-cell reaction, F
2
+ 2e
-
⇄ 2F
-
? (Ch.20)
5.74 V
1.435 V
2.435 V
2.87 V
66
Name the acid: HCl (Ch.14)
Hydrochloric acid
Chloric acid
Hydrochloride acid
Chlorous acid
67
What is an empirical formula? (Ch.7)
A formula with the given elements in smallest ratio.
The largest formula of a compound.
The actual formula of a compound.
The formula of an empire.
68
What are voltaic cells? (Ch.20)
Voltage cells?
A single electrode immersed in a solution of its ions.
An electrochemical device in which electrolysis takes place.
A cell made of 2 electrodes made of different metals.
69
What is composition stoichiometry? (Ch.9)
calculations involving mass between reactants and products
calculations involving the mass of elements in compounds
70
Based on the picture what is the equilibrium constant for the system at this temperature?(Ch18)
1.1 × 10-5
3.3 × 10-3
6.4 × 10-3
1.7 × 10-3
