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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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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. Symbol for Enthalpy
E
Dalton's Law of Partial Pressures
H
22.4L
2. r=k[A]^2
Integrated First-Order Rate Law
Enthalpy of Solution
Oxidation is Loss Reduction is Gain
Second-Order Rate Law
3. Ptotal=Pa+Pb+Pc....
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4. Speed per molecule of gas
v3kT/m
Molarity
0.512°C
M = square root (3RT/mm)
5. Phase change from solid to gas
sublimation
0.512°C
Dalton's Law
Integrated Rate Law
6. IMF that occurs with FON
deposition
Hydrogen bonding
System
0 degrees C - 1 atm
7. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)
hydrolysis
heat capacity
-1
Pauli Exclusion Principle
8. What is defined by you taken from the whole universe
p+
endothermic
perchlorate
System
9. Oxidation # of Halogens
high pressure - low temperature
-1
AE= AH - RTAn
Reaction Quotient (Q)
10. These orbitals are spherical
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Galvanic Cell
Osmotic Pressure
s orbitals
11. Osmotic pressure=MRT
Osmotic Pressure
deposition
Solute
square pyramidal
12. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium
1 atm
Dalton's Law
d
rate
13. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium
s
Density
voltaic cells
not spontaneous
14. If anion ends in -ate - acid name ends in...
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
-ic acid
Matter
moles of solute/ L of solution
15. Organic reaction in which two functional groups come together - resulting in the release of water
condensation
permanganate
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
Amphoteric
16. x can be ignored when % ionization is <5%
vapor pressure
5% rule
Resonance
Transition metals
17. AX4
Graham's Law
-ous acid
tetrahedral
Temperature
18. % yield
actual yield/theoretical yield x 100%
Calorimeter
fusion
electrolyte
19. R in instances that pertain to energy
adhesion
8.314 J/K mol
hydrolysis
Antibonding Molecular Orbital
20. To find activation energy use the...
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
Integrated Zero-Order Rate Law
triple point
Arrhenius equation
21. Two molecules with identical connectivity but different geometries
?Tf= kf x molality
triple point
geometric isomers
Integrated Rate Law
22. ClO4¹?
melting point
square pyramidal
Bonding Pairs
perchlorate
23. ClO3²?
Isolated System
eth-
Matter
chlorate
24. Point at which vapor pressure=air pressure above
boiling point
Q<K
rate law
spontaneity
25. A measure of resistance of an object to a change in its state of motion
Mass
AE= AH - RTAn
violet
Octahedral
26. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)
Bond Order
Enthalpy of Solution
yellow --> green
Monoprotic
27. MnO4¹?
ionic
Adding
Metalliods
permanganate
28. U(rms)=(3RT/M)^1/2
Arrhenius base
red
Aufbau Principle
Root Mean Square Velocity
29. Increase Volume
titrant buret
amine
Alkali metals
Increase Temperature
30. A measure of randomness or disorder
Integrated First-Order Rate Law
entropy
0.512°C
single bond
31. Studies the rate at which a chemical process occurs and sheds light on its reaction mechanism
Chemical Kinetics
Strong acid weak base rxn
Limiting reactant
vaporization
32. Substances w/ critical temperatures below 25°C
Counterions
permanent gases
Cathode
3.0x108m/s
33. For significant digits - leading zeros ____ significant
vapor pressure
conjugate acid
are not
Specific Heat Capacity
34. Pure metal or metal hydride + H20 ->
2nd law of thermodynamics
bent
sulfite
base and hydrogen gas
35. Ending for alcohols
1.38x10?²³J/K
oxide
alkane
-ol
36. 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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37. ?Hsoln=?H1+?H2+?H3+...
Enthalpy of Solution
Electronegativity
complex ions
flouride
38. #NAME?
E
Heisenberg Uncertainty Principle
amine
Naming Binary Ionic Compounds
39. The reactant that is being oxidized - brings about reduction
reduction agent
Radioactivity
1atm=?mmHg/Torr
deposition
40. Mol/L - concentration of a solution
Molarity
-one
trigonal bipyramidal
Chemical Kinetics
41. [A]0/2k
not spontaneous
sulfite
1.86°C
Zero-Order Half Life
42. Gain of electrons - decrease in oxidation #
complex ions
Joule
r1/r2
reduction
43. Increase Pressure
N=N.(0.5)^time/time half-life
single bond
Decrease Volume and Increase Temperature
third
44. Coffee Cup Calorimeter
Constant Pressure
Theoretical yield
anode
charge
45. Average speed of gas
v3RT/M(in kg)
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
red/orange
Effusion
46. AX6
octahedral
?Hvap
voltaic cells
equilibrium
47. Substance that - when dissolved - is conductive
electrolyte
p+
Molal BP Elevation Constant
exothermic
48. BrO3¹?
4.184
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
Molarity
bromate
49. Color of Li (flame test)
Trigonal Planar
red
STP
Ionic
50. (organics) seven carbons
f
6.63x10?³4Js
carbonate
hept-
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