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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.
If you are not ready to take this test, you can
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. Molarity (M)
Heat
Hydrogen bonding
moles of solute/ L of solution
Quantum Mechanical Model
2. Gas to liquid
condensation
Molar Mass of Element/ Total Molar Mass %
Root Mean Square Velocity
-ol
3. Force acting over distance
-ol
Volt
mol
Work
4. Boiling point - melting point - viscosity - vapor pressure - surface tension
C + 273
meth-
effects of IMF
3.0x108m/s
5. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms
Isotopes
cathode
Its element
LE Model
6. Mass #
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
# protons + # neutrons
Second-Order Rate Law
v3kT/m
7. Ending for alcohols
alcohol
catalyst
London Dispersion Forces
-ol
8. Mol/kg of solvent - used in calculating colligative properties
deposition
d
Molality
Solution
9. Group 1 and heavier Group 2 bases
8.31J/Kmol
strong bases
sublimation
1st law of thermodynamics
10. Where oxidation occurs
q/moles
Thermochemistry
Anode
Acids
11. negative ion
Anion
endless
Molality
mol
12. I¹?
viscosity
iodide
solid CO2
third
13. l=3
a precipitate forms
P1V1/N1T1=P2V2/N2T2
methoxy-
f
14. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells
Exothermic
oxidizing agent
voltaic cells
endless
15. r=k
Molarity
Zero-Order Rate Law
3/2RT
sublimation
16. The amount of energy/heat required to raise some substance 1 degree C
Heat Capacity (C)
Electronegativity
yellow --> green
LeChatelier's Principle
17. Mole Fraction
mol Fraction
strong acid strong base rxn
sulfate
X of a = moles a/total moles
18. Heat required to raise the system 1°C
Balmer Series
heat capacity
?Tb= kb x molality
Buffered Solution
19. Point at which vapor pressure=air pressure above
Alkali metals
# protons + # neutrons
boiling point
sulfite
20. As protons are added to the nucleus - electrons are similarly added
Aufbau Principle
square planar
Strong acid weak base rxn
reduction agent
21. 1/([A]0*k)
Second-Order Half Life
Hund's Rule
Hydrogen bonding
triple point
22. In covalent bonds - prefixes are used to tell...
Amount of atoms present
Molality
3/2RT
Law of Conservation of Mass
23. K=[C]^l[D]^m/[A]^j[B]^k; products/reactants; solids don't count
Equilibrium Expression
E
Nernst Equation
Lone Pair
24. Force per unit area
-(q of H2O + q of cal)
Acid + Base --> Salt + Water
Pressure
oct-
25. Reverse rxn occurs when
indicator
rate gas A/rate gas B = square root (mm A/ mm B)
melting point
Q>K
26. AX4
% error
charge
mol
tetrahedral
27. Bond bond in which atoms aren't so different that electrons are completely transferred but are different enough that unequal sharing occurs
1 atm
3/2RT
eth-
Polar Covalent
28. H+ Acceptor
Bronsted-Lowry Base
acid
Calorimetry
(moles of products that are gasses) - (moles of reactants that are gasses)
29. Elements in groups 3-12
Van't Hoff factor
Transition metals
Linear
bond energy
30. A method of investigation involving observation and theory to test scientific hypotheses
Acid Dissociation Constant
bond energy
Scientific Method
Exothermic
31. Loss of electrons - increase in oxidation #
Finding Empirical Formulas
oxidation
entropy
Heat Capacity (C)
32. Amount of product produced when limiting reactant is used up
allotrope
Theoretical yield
Entropy (S)
reduction
33. [A]0/2k
E
Heat Capacity (C)
Entropy (S)
Zero-Order Half Life
34. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides
deposition
v3kT/m
perchlorate
soluble
35. Color of Ca (flame test)
Theoretical yield
strong acids
allotrope
red/orange
36. Solution in flask being titrated
analyte
Net Ionic Equation
oxidizing agent
hydroxide
37. Solid to liquid
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
Normality
melting
6.63x10?³4Js
38. C2H3O2¹?
Aufbau Principle
bromate
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
acetate
39. Electron (symbol)
no precipitate forms
msAT
e-
Second-Order Rate Law
40. Organic w/ -OH group
8.31J/Kmol
alcohol
red
?Hvap
41. A measure of randomness or disorder
Q>K
Quantum Model
entropy
Acids
42. Ester suffix
hydro-ic acid
t-shape
Pauli Exclusion Principle
-oate
43. Elements on staircase on periodic table
strong acid strong base rxn
Metalliods
dichromate
Molecular Compounds
44. Dirrect Method Formula
STP
Ag+ - Pb2+ - Hg2+
Force = mass x acceleration
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
45. Unit of electrical potential; J/C
C + 273
Allotrope
4.184
Volt
46. Organic w/ -NH2
Quantum Model
Dipole Moment
Specific Heat Capacity
amine
47. Instrument used to measure the pressure of atmospheric gas
blue-violet
1 atm = 760 mmHg = 101.3 kPa
spontaneity
Barometer
48. Releases/gives off heat (negative value)
Exothermic
P of a =(X of a)(total pressure)
second
v3RT/M(in kg)
49. 120° - sp^2
Trigonal Planar
Exothermic
Barometer
strong bases
50. When n=6 ->2 - color=
violet
Work
Molar Mass of Element/ Total Molar Mass %
Metalliods