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Test your basic knowledge |
AP Chemistry
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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. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium
solid CO2
Calorimetry
Strong acid weak base rxn
not spontaneous
2. Gain of electrons - decrease in oxidation #
Force = mass x acceleration
actual yield/theoretical yield x 100%
Cation
reduction
3. Calculation from K to C
s
supercritical fluid
C + 273
Aufbau Principle
4. When gas expands ...
Negative work value; work done by system
sulfate
green/yellow
Volume Metric Flask & Pipet
5. ?T=k*m(solute)
base and hydrogen gas
Molal FP Depression Constant
Resonance
mol Fraction
6. AP doesn't deal with ...-order reaction - don't pick it!
Temperature
system
third
acid
7. l=3
2nd law of thermodynamics
f
Strong acid weak base rxn
reduction agent
8. A neutral molecule/ion having a lone e- pair that can be used to form a bond to a metal ion
Molarity
Ligand
supercritical fluid
Aufbau Principle
9. 0°C and 1 atm
STP
1.38x10?²³J/K
dichromate
Law of Definite Proportion
10. A method of investigation involving observation and theory to test scientific hypotheses
Integrated Zero-Order Rate Law
0
M1V1=M2V2
Scientific Method
11. 96 -485 C/mol e-
Lone Pair
Chemical Kinetics
Faraday
Enthalpy of Solution
12. A measure of resistance of an object to a change in its state of motion
Acids
Cation
Mass
Pauli Exclusion Principle
13. (A) - C/s
Pressure
nitrite
Ampere
Integrated First-Order Rate Law
14. Horizontals on the periodic table
hept-
analyte
period
viscosity
15. An equilibrium expression
Monoprotic
Speed of light
Solubility Product (Ksp)
solid CO2
16. Effusion of a gas is inversely proportional to the square root of the molar mass
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17. The energy required to raise 1 g of substance 1 degree C
London dispersion forces
Specific Heat (s)
sulfide
Open System
18. q H2O = ?
Ionic
msAT
Second-Order Rate Law
Molecular Orbitals (MOs)
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)
Heat
Molecular Compounds
condensation
Pressure
20. How to Find a Weighted Average
Bond enthalpy
Acid + Base --> Salt + Water
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
salt bridge
21. Equation to find Ea from reaction rate constants at two different temperatures
Oxidation is Loss Reduction is Gain
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
sulfate
insoluble
22. H + donor
boiling point
Bronsted-Lowry Acid
sublimation
t-shape
23. Similar to atomic orbitals - except between molecules
heat of fusion
Molecular Orbitals (MOs)
0
Van't Hoff factor
24. Passage of gas through tiny orifice
oct-
Root Mean Square Velocity
# protons (atom is defined by this)
Effusion
25. Arrhenius equation
precipitate
ionic
k=Ae^(-Ea/RT)
Acid Dissociation Constant
26. Ester suffix
Solute
trigonal planar
Radioactivity
-oate
27. These orbitals are diagonal
d orbitals
Effusion
oct-
Ampere
28. Like dissolves...
like
M = square root (3RT/mm)
deposition
Integrated Zero-Order Rate Law
29. Gas to liquid
melting
equilibrium
Arrhenius base
condensation
30. Compound in which there is a bond between two non-metals; when naming them you use the numerical prefixes (may NOT be reduced i.e. S2F4 may not become SF2)
Ionic Compounds
Equilibrium Expression
Arrhenius Base
red
31. Group 1 metals
Pi Bond
end point
Alkali metals
STP
32. Electron pairs found in the space between the atoms
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Buffer
Calorimeter
Bonding Pairs
33. Energy required to break a bond
spontaneity
Zero-Order Half Life
Bond Energy
Molecular Orbitals (MOs)
34. ClO4¹?
oct-
perchlorate
p
chloride
35. frequency symbol
London dispersion forces
electrolyte
Beta Particles-
nu
36. To find activation energy use the...
n0
Arrhenius equation
1/2mv²
Multiplying
37. Force that holds atoms together
Chemical Bonds
Endothermic
chromate
linear
38. Idea Gas Law (actual rules)
PEACe 1)each molecule is a Point in space 2)Elastic collisions 3) no force of Attraction 4) no energy lost or gained to Collisions
d
Arrhenius Base
Atomic Mass Unit
39. Carbon & hydrogen compounds
hydrocarbons
Specific Heat Capacity
yellow --> green
Buffered Solution
40. The weighted average of all the isotopes that an atom can have (in g/mol)
Radioactivity
Specific Heat (s)
Atomic Mass Unit
bent
41. Speed of light - C
Graham's Law
3.0x108m/s
Pauli Exclusion Principle
nitrate
42. Osmotic pressure formula
Ionic
titrant buret
pi=(nRT)/v
Normality
43. Formula used when diluting stock solution (to find amount of water or stock needed)
M1V1=M2V2
methods of increasing rate
Counterions
actual yield/theoretical yield x 100%
44. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium
Theory of Relativity
N=N.(0.5)^time/time half-life
adiabatic
rate
45. Symbol for Enthalpy
1 atm
lambda
Nodes
H
46. Composition Formula
adhesion
weak acid strong base rxn
Molar Mass of Element/ Total Molar Mass %
Molality
47. (N) number of equivalents per liter of solution
AH
X of a = moles a/total moles
Alpha Particles-
Normality
48. AX6
octahedral
Normality
Bronsted-Lowry base
system
49. Half-life equation
Covalently w/in themselves - Ionicly bonded w/ each other
Density
N=N.(0.5)^time/time half-life
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
50. r=k
Heat
Ligand
Atmospheric Pressure
Zero-Order Rate Law
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