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Test your basic knowledge |
AP Chemistry
Start Test
Study First
Subjects
:
science
,
ap
,
chemistry
Instructions:
Answer 50 questions in 15 minutes.
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study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Measure of the change in enthalpy
Arrhenius acid
Delta H or Enthalpy Change
surroundings
Its root and adding -ide
2. Tools NEEDED for dilution
analyte
voltaic cells
Volume Metric Flask & Pipet
lambda
3. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides
CAT
entropy (S)
oxalate
insoluble
4. Colors of Reaction when (MnO4 -) --> (Mn2+)
d
purple --> pink
square pyramidal
k=Ae^(-Ea/RT)
5. Electron pairs found in the space between the atoms
Bonding Pairs
red
-one
1/2mv²
6. For colligative properties for electrolytes - the # of mols of ions/ mols of solute
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7. An element with several different forms - each with different properties (i.e. graphite & diamond)
State Functions
Buffered Solution
Osmotic Pressure
Allotrope
8. Force that holds atoms together
hydro-ic acid
Chemical Bonds
Molecular
supercritical fluid
9. A device used to measure Delta H
0 degrees C - 1 atm
Calorimeter
rate
C=(mass)(specific heat)
10. When n=3 ->2 - color=
red
System
msAT
excess reactant
11. l=0
1atm=?mmHg/Torr
Bases
s
Net Ionic Equation
12. Half cell in which reduction occurs
0
Quantum Model
cathode
group
13. All cations are soluble with sulfate EXCEPT
# protons + # neutrons
geometric isomers
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
f
14. Change in Energy (AE) = ? (in terms of work)
T-shape
% yield
AE = q + w
1 atm
15. (organics) nine carbons
electrolyte
non-
pent-
Acid + Base --> Salt + Water
16. ln[A] vs. time is a ...-order reaction
first
-ic acid
tetrahedral
second
17. Lowers activation energy
Ideal Gas Law
catalyst
?Tb= kb x molality
dec-
18. Driving force of the electrons
Cell Potential (Ecell)
blue-violet
Specific Heat (s)
Hydrogen bonding
19. Unit of electrical potential; J/C
Volt
Specific Heat Capacity
PV=nRT
trigonal pyramidal
20. AX3E2
Entropy (S)
Equilibrium Expression
?Hvap
T-shape
21. When n=4 ->2 - color=
Faraday
Arrhenius acid
blue-green
Valence Electrons(assigned)
22. Volume of gas @STP
22.4L
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
see-saw
equivalence point
23. Gas to liquid
Trigonal Planar
Molar Heat Capacity
condensation
insoluble
24. Significant Digits of Conversion Factors
endless
Law of Multiple Proportions
Q>K
carbohydrates
25. (organics) single-bonded compound
Gamma Ray-
alkane
Arrhenius acid
conjugate base
26. l=3
excess reactant
iodide
f
ether
27. Where reduction occurs
3.0x108m/s
Cathode
d orbitals
Nodes
28. Work = ?
not spontaneous
Aufbau Principle
-(P)(Change in V)
Overall Reaction Order
29. Half-life equation
hex-
N=N.(0.5)^time/time half-life
0.0821 atm L/mol K
freezing
30. Significant Digits of counted things
AH
endless
p orbitals
Endothermic
31. For significant digits - trailing zeros _____ significant
Second-Order Half Life
are
Increase Temperature
blue-violet
32. Phase change from gas to solid
Law of Conservation of Energy
Pi Bond
system
deposition
33. Passage of gas through tiny orifice
Normality
cyanide
hydrocarbons
Effusion
34. A measure of resistance of an object to a change in its state of motion
dec-
Mass
spontaneous
LeChatelier's Principle
35. A molecule having a center of positive charge and a center of negative charge
Law of Conservation of Energy
alkane
Dipole Moment
State Functions
36. MnO4¹?
permanganate
red
Amino-
Solute
37. Substance that - when dissolved - is conductive
permanent gases
vapor pressure
boiling point
electrolyte
38. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows
red/orange
chromate
dec-
Resonance
39. Where oxidation occurs
strong acids
Electron Spin Quantum Number
Anode
wavelength
40. 96 -485 C/mol e-
N=N.(0.5)^time/time half-life
Faraday
Bronsted-Lowry Acid
Osmotic Pressure
41. Different form of same element
-(P)(Change in V)
allotrope
Work
k=Ae^(-Ea/RT)
42. AX4E2
0.0821 atm L/mol K
activated complex (transition state)
square planar
Reaction Quotient (Q)
43. Anions or cations as needed to produce a compound with non net charge
mol
Zero-Order Half Life
Counterions
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
44. # bonding e- - # antibonding e-/2
Equilibrium Expression
mol
Delta H or Enthalpy Change
Bond Order
45. Organic reaction in which two functional groups come together - resulting in the release of water
yellow
insoluble
London dispersion forces
condensation
46. 1/([A]0*k)
H
Nernst Equation
eth-
Second-Order Half Life
47. The reactant in the oxidizing reaction that forces the reduction reaction to occur
Pauli Exclusion Principle
Allotrope
Reducing Agent
indicator
48. Absorbs/takes in heat (positive value)
Endothermic
like
1 atm = 760 mmHg = 101.3 kPa
anode
49. As protons are added to the nucleus - electrons are similarly added
P1= X1P1°
Cation
Aufbau Principle
m (third quantum number)
50. Oxidation # of Ions
specific heat
0
Specific Heat Capacity
charge
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