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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. Ketone suffix
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
Tetrahedral
Amphoteric
-one
2. Raoult's Law - relations between vapor pressure and concentrations
Standard Temperature and Pressure
Enthalpy of Solution
Solubility Product (Ksp)
P1= X1P1°
3. Aldehyde suffix
boiling point
e-
-al
Weight
4. The line running between the atoms
but-
Surroundings
Sigma Bond
# protons (atom is defined by this)
5. Amine prefix
Molar Mass of Element/ Total Molar Mass %
Aufbau Principle
Amino-
Mass
6. AX2E - AX2E2
pent-
phosphate - sulfide - carbonate - sulfate
bent
Bronsted-Lowry Base
7. Carboxylic acid ending
cyanide
-oic acid
Dipole-dipole forces
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
8. Energy involved in gaining an electron to become a negative ion
electron affinity
Alpha Particles-
Diffusion
specific heat
9. High-speed electrons
viscosity
Molarity
Pi Bond
Beta Particles-
10. Atoms combine in fixed whole # ratios
Law of Multiple Proportions
Temperature
Isotopes
Solubility Product (Ksp)
11. An element with several different forms - each with different properties (i.e. graphite & diamond)
Density
Allotrope
AE= AH - RTAn
Pauli Exclusion Principle
12. Color of K (flame test)
k=Ae^(-Ea/RT)
purple --> pink
Arrhenius Base
purple
13. A solution that resists a change in pH - contains both a weak acid and its conjugate base
Buffer
Ionic
Speed of light
condensation
14. In covalent bonds - prefixes are used to tell...
blue-green
third
Counterions
Amount of atoms present
15. Symbol for Total Heat absorbed or released
q
1atm=?Pa
?Tb= kb x molality
Hybridization
16. Combined Gas Law Formula
P1V1/N1T1=P2V2/N2T2
Law of Multiple Proportions
isothermal
chloride
17. Different form of same element
Molarity
allotrope
Second-Order Rate Law
Adding
18. Color of Sr (flame test)
Molal BP Elevation Constant
0
red
22.4L
19. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)
chromate
Nernst Equation
Open System
Molecular Compounds
20. .69/k
First-Order Half Life
Allotrope
Resonance
Dalton's Law
21. Donates a single H+ Ion (... other prefixes also)
0
Monoprotic
Arrhenius base
Reaction Quotient (Q)
22. (organics) seven carbons
Bronsted-Lowry acid
Diffusion
experimental yield
hept-
23. A solution that resists a change in its pH
Buffered Solution
Bronsted-Lowry Acid
permanganate
Angular Momentum Quantum Number
24. Puts OH? into solution
Solvent
Dalton's Law of Partial Pressures
Arrhenius base
P1V1/N1T1=P2V2/N2T2
25. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas
purple
Oxidizing Agent
Cg=kPg
electron affinity
26. Consists of a complex ion - a transition metal with attached ligands - and counterions
State Functions
Coordination Compound
Average KE = 1/2(mass)(average speed of all particles)
s (fourth quantum number)
27. If needed - indicate charge of metal(cation) by...
supercritical fluid
Covalently w/in themselves - Ionicly bonded w/ each other
A Roman numeral
acetate
28. q cal = ?
catalyst
alcohol
Molality
CAT
29. OIL RIG
T-shape
Endothermic
Oxidation is Loss Reduction is Gain
Amphoteric
30. NH4¹?
London dispersion forces
ammonium
Theoretical yield
Angular Momentum Quantum Number
31. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes
hex-
Molecular
Work
1)Assign Oxidation #s 2) Half Reaction 3) Balance Moles 2) Balance add e- to balance Oxidation #s (RED-OX = reduction on left - Oxidation on right) 4) Add H+ or OH - to balance charge 5) Add H2O to balance hydrogens 4) Balance electrons by multiplyin
32. Newton's Second Law
Zero-Order Rate Law
s
triple bond
Force = mass x acceleration
33. If a change is imposed on a system at equilibrium - the position of the equilibrium will shift in a direction that tends to reduce that change
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34. Energy required to break a bond
tetrahedral
Bond Energy
q/moles
purple
35. AX3E
solid CO2
trigonal pyramidal
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
vapor pressure
36. Elements which have all electrons paired and relatively unaffected by magnetic fields
diamagnetic
yellow
Trigonal Planar
sulfate
37. H?+OH??H2O
strong acid strong base rxn
t-shape
Calorimetry
Quantum Numbers
38. Change in Energy = ? (in terms of constant pressure; for gasses)
AE= AH - RTAn
Finding Empirical Formulas
Volt
no precipitate forms
39. IMF that exists in polar molecules
Limiting reactant
Aufbau Principle
Dipole-dipole forces
seesaw
40. When n=6 ->2 - color=
+1 - except if bonded to Alkali Metal -1
amine
violet
p orbitals
41. ln[A] vs. time is a ...-order reaction
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
first
sublimation
Delta H or Enthalpy Change
42. As protons are added to the nucleus - electrons are similarly added
Equilibrium constant
Aufbau Principle
violet
seesaw
43. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))
Acid + Base --> Salt + Water
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Quantum Model
Metalliods
44. l=2
diamagnetic
Theoretical yield
d
Molecular Orbitals (MOs)
45. (organics) eight carbons
oct-
0
equivalence point
Its element
46. Resistance to flow
viscosity
sulfide
% yield
Manometer
47. Lowers activation energy
catalyst
not spontaneous
viscosity
yellow
48. Non-Ideal Gas Conditions
q
high pressure - low temperature
8.31J/Kmol
Antibonding Molecular Orbital
49. A monoatomic anion is named by taking...
Its root and adding -ide
?Tf= kf x molality
Overall Reaction Order
deposition
50. Organic w/ -O-
boiling point
Zero-Order Half Life
ether
increasing
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