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