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AP Chemistry Final Prep
AP Chemistry Final Prep
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A #science #quiz to #prep for #finals in #apchem.
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
Which of the following equations can be used to determine a molarity of a new solution?
Mc x Vc = Md x Md
Mc / Vc = Md / Md
Mc x Vc = Md + Md
Mc + Vc = Md + Md
2
What happens to vapor pressure when a nonvolitile solute is added to a volitile solvent?
Increases
Decreases
Unknown
Nothing
3
What quantum number determines energy level?
Angular Momentum Number (l)
Magnetic Quantum Number (ml)
Principle Quantum Number (n)
4
The relationship between temperature and viscosity is...
an inverse relationship
no relationship
a direct relationship
5
Who created the atomic theory?
John Dalton
Milikan
Rutherford
JJ Thompson
6
What does the Uncertainty Principle state?
Can't know both the momentum and position of e-.
Matter can have wave properties.
7
Which of the following is a gas constant?
0.08206 L*atm/mol*K
8.314 m3*Pa/mol*K
62.36 L*Torr/mol*K
All of the above
8
What is the funniest Chemistry joke?
I told a chemistry joke once. Sadly, I got no reaction.
Think like a proton and stay positive.
Chemistry jokes are sodium funny, I slapped my neon that one
What was the charge when NaCl was arrested? A salt.
9
What equation should you follow to calculate
bond order
?
(total # of σ and π bonds)/(# atoms bonded to central atom)
(# of bonding sites)/2(number of atoms in molecule)
10
What element turns lavender when lit on fire?
Lithium
Calcium
Potassium
Copper
11
What does this equation represent? E=
hv
Energy of a photon
Frequency of light
Wavelength of energy
Something
12
What is osmosis?
Movement of solute towards higher solvent concentration.
Movement of solvent towards lower solute concentration.
Movement of solute towards lower solvent concentration.
Movement of solvent towards higher solute concentration.
13
What quantum number specifies the orbital in which the electron is located?
Principle Quantum Number (n)
Azimuthal Quantum Number (l)
Spin QUantum Number (ms)
Magnetic Quantum Number (ml)
14
Who did the cathode ray experiment to find the charge/mass ratio of an e-?
Rutherford
JJ Thompson
Milikan
John Dalton
15
What is the speed of light?
6.02 x 1023 in/s
1 x 109 ft/yr
6.05 x 108 m/s
3.00 x 108 m/s
16
What is bond order?
Number of pi and sigma bonds in a molecule.
Mean # of bonds per atom covalently bonded to central atom
17
List the IMFs from strongest to weakest.
ion-induced dipole < hydrogen < dipole-dople < dispersion
dipole-dipole > hydrogen > dispersion > ion-induced dipole
ion-induced dipole > hydrogen > dipole-dople > dispersion
dipole-dipole < hydrogen < dispersion < ion-induced dipole
18
What is the tendency for the electron cloud of an atom or molecule to be deformed known as?
IMF
Polarizability
Quantum Numbers
When did we cover this?
19
When do real gases act most like ideal gases?
High temp, low pressure
Low temp, low pressure
Low temp, high pressure
High temp, high pressure
20
Which of the following is expected to have the highest 4th ionization energy?
Be
B
O
F
21
The frequency of a photon is ____ to its wavelength.
not related
directly proportional
inversely proportional
22
Which of the following is a non polar molecule that contains polar bonds?
CO2
HCl
CHF3
F2
23
Where do London Dispersion Forces occur?
Only in nonpolar molecules
No where
In Ions
In all molecules
24
What is the ideal gas law?
P/nT=V
all of the above
PV=nRT
n=MRT/P
25
What law states that no tow e- in an atom ahs the same 4 quantum numbers?
Hund's Law
Pauli Exclusion Principle
Uncertainty Principle
None of the above
26
Who discovered 3 types of radiation (
b-, a+, y)?
Milikan
Avogadro
Marie & Pierre Curie
Rutherford
27
What best describes the structure of the molecule shown?
Isomer Structure
Parallel Structure
Resonance Structure
Linear Structure
28
What is this graph called?
Phase Diagram
How often Temperature changes over time.
Nothing, there is not title.
Heating Curve
29
Who created the Plum Pudding Model?
JJ Thompson
Milikan
John Dalton
Rutherford
30
What are colligative properties dependent on?
collective effect of solute particles
collective effect of properties of one atom
collective effect of electrons
collective effect of ions
31
What is the quantitative expression for randomness or disorder of a system?
Entropy
Uncertainty
Energy
Chaos
32
What is the molecular geometry of PF
5
?
I need to review this
Trigonal Pyramidal
Square Pyramidal
Trigonal Bipyramidal
33
What does this equation represent?
Molar Fraction
Entropy in a Reaction
Dalton's Law of Partial Pressures
Anderson's Law of Partial Pressures
34
Who used the oil drop experiment to determine the charge of an e-?
JJ Thompson
Milikan
John Dalton
Rutherford
35
What is a hydrogen bond?
Hydrogen of one molecule bonds with the O/F/N of another.
A bond between hydrogen and other elements in a molecule.
A parody of James Bond's character.
IMF where hydrogens of two molecules bond.
36
What is a part of the Kinetic Molecular Theory?
All collisions are perfectly elastic?
All of the above
Direct relationship between temp and average kinetic energy.
The dynamic nature of gases is constantly in motion.
37
Who used the gold foil experiment to discover that atoms are mostly made of empty space?
JJ Thompson
Milikan
John Dalton
Rutherford
38
What is the difference between (1) molarity and (2) molality?
(1) Based on mass of solvent (2) Based on volume of solution
(1) Based on volume of solution (2) Based on volume of salt
(1) Based on mass of solution (2) Based on mass of solvent
(1) Based on volume of solution (2) Based on mass of solvent
39
What happens to Boiling points when a nonvolitile solute is added to a volitile solvent?
No change
WHY?
Decreases
Increases
40
Is molarity or molality affected by changes in temperature?
Molality
Molarity
Both
Neither
41
Which correctly organizes regions on the electromagnetic spectrum by decreasing energy?
xray > ultraviolet > visible > infrared > microwave > radio
xray < ultraviolet < visible < infrared < microwave < radio
xray > radio > infrared > visible > ultraviolet > microwave
xray > infrared > visible > ultraviolet > microwave > radio
42
Happy finals week, may the curve be ever in your favor.
You'll go great
None of the above
Good luck on your finals
5 cm
43
FREE POINT
Not this one
Pick this answer
44
What is the biggest difference between real and ideal gasses?
Nothing, they are the same thing.
Ideal gases don't have volume or attractive/repulsive IMFs.
Real gases don't have volume or attractive/repulsive IMFs.
Real gases exist and ideal gases are imaginary.
45
Magnitude & distance between charges affect strength of interaction among 2 electrical charges.
Uncertainty Principle
Coulomb's Law
46
Is the use of lattice energy an endothermic or exothermic reaction?
Endothermic
Exothermic
47
What is the name of the equation shown?
Avogadro's Ideal Gas Law
Ideal Gas Law
Graham's Law of Attractive Forces
Van der Waals Equation
48
What happens to the freezing point when a nonvolitile solute is added to a volitile solvent?
Increases
It is cold enough that it freezes no matter what
No change
Decreases
49
What rule states that all orbitals in a sublevel must fill one e- before a 2nd e- can be added?
Coulomb
Hund's
Avogadro's
Pauli's
50
Which of these is a resonance?
PF5
SO3
HCN
NH3
