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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. kf of water
1.86°C
Integrated First-Order Rate Law
iodide
vaporization
2. SO4²?
Linear
sulfate
Reaction Quotient (Q)
pent-
3. SI unit of energy; Kg*m^2/s^2
Quantum Mechanical Model
paramagnetic
Joule
Acid Dissociation Constant
4. A molecule having a center of positive charge and a center of negative charge
-ous acid
P1V1/N1T1=P2V2/N2T2
Amount of atoms present
Dipole Moment
5. Pure metal or metal hydride + H20 ->
CAT
base and hydrogen gas
Enthalpy of Solution
oxalate
6. Ideal Gas Law Formula
PV=nRT
Temperature
titrant buret
indicator
7. The reactant in the oxidizing reaction that forces the reduction reaction to occur
Theory of Relativity
Reducing Agent
1atm=?Pa
work
8. The entropy of a pure perfectly formed crystal @0K is 0
3rd law of thermodynamics
k=Ae^(-Ea/RT)
octahedral
Gamma Ray-
9. negative ion
Anion
violet
Angular Momentum Quantum Number
Speed of light
10. Puts OH? into solution
Arrhenius base
Speed of light
analyte
Balmer Series
11. These orbitals are perpendicular
3rd law of thermodynamics
d orbitals
n0
p orbitals
12. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals
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13. Solution used in titration
titrant buret
yellow --> green
q
London Dispersion Forces
14. A solution used in titrations whose concentration is known
condensation
Normality
standard solution
pent-
15. Color of Na (flame test)
Gamma Ray-
critical point
Ligand
yellow
16. Colors of Reaction when (MnO4 -) --> (Mn2+)
Nodes
Q<K
0 degrees C - 1 atm
purple --> pink
17. Happens at lines in phase change charts
Nernst Equation
22.4L
Coordination Compound
equilibrium
18. Color of K (flame test)
Specific Heat (s)
purple
deposition
insoluble
19. Type of system in which nothing is transfered (no mass or energy); ideal
Isolated System
log[H+]
sulfide
?Tf= kf x molality
20. neutron (symbol)
rate law
1.86°C
n0
Nernst Equation
21. Only contains ions that change in reaction
Net Ionic Equation
Trigonal Bipyramidal
base
Osmotic Pressure
22. (organics) nine carbons
reduction agent
8.314 J/K mol
0.512°C
non-
23. J/°Cmol or J/Kmol
system
triple point
Molar Heat Capacity
Q>K
24. Heat capacity formula
Molecular
condensation
C=(mass)(specific heat)
sublimation
25. Newton's Second Law
reduction agent
Force = mass x acceleration
first
Solution
26. Oxidation # of Oxygen
1st law of thermodynamics
-2 - with peroxide -1
P1= X1P1°
-oic acid
27. Solution in flask being titrated
different # of neutrons
analyte
Q<K
Ag+ - Pb2+ - Hg2+
28. l=0
Finding Empirical Formulas
s
are not
hydroxide
29. Pairs of electrons localized on an atom
chlorite
heat of fusion
Ideal Gas Law
Lone Pair
30. Function in which it doesn't matter HOW the changes take place - only that they do; you can use to formula Final - Initial ( i.e. energy - pressure - volume - temperature - sort of moles)
s
State Functions
1atm=?Pa
chromate
31. MnO4¹?
p orbitals
Weight
a precipitate forms
permanganate
32. High-energy light
Le Chatelier's Principle
not spontaneous
Gamma Ray-
surroundings
33. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas
Cg=kPg
red/orange
Amount of atoms present
p+
34. Isotope
charge
d orbitals
Root Mean Square Velocity
different # of neutrons
35. Mass percent
Atomic Mass Unit
Principal Quantum Number
g solute/g solvent x 100
?Hvap
36. The reactant that is being reduced - brings about oxidation
exothermic
red
Molecular Orbitals (MOs)
oxidizing agent
37. The likelihood that a rxn will occur "by itself"
endless
blue
spontaneity
0
38. H + donor
Buffered Solution
Arrhenius Base
oxide
Bronsted-Lowry Acid
39. n+m (these are orders of reactants)
Overall Reaction Order
STP
P of a =(X of a)(total pressure)
0.512°C
40. q rxn = ?
violet
catalyst
-(q of H2O + q of cal)
Anion
41. Rate of Diffusion/Effusion formula
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
weak acid strong base rxn
equilibrium
Aufbau Principle
42. Raoult's Law - relations between vapor pressure and concentrations
P1= X1P1°
strong acid strong base rxn
First-Order Half Life
Q<K
43. Organic w/ -OH group
nitrate
alkene
alcohol
Polar Covalent
44. Occupies the space above and below a sigma bond
Transition metals
Pi Bond
equilibrium
acetate
45. An equilibrium expression
Solubility Product (Ksp)
heat of vaporization
work
1/2mv²
46. AX4
surroundings
d orbitals
tetrahedral
oct-
47. When n=5 ->2 - color=
PV=nRT
oxidizing agent
blue-violet
complex ions
48. Chemical composition of dry ice
solid CO2
AE = q + w
Zero-Order Half Life
Molarity
49. R=
blue
8.31J/Kmol
trigonal bipyramidal
Alpha Particles-
50. Freezing point depression formula
Normality
?Tf= kf x molality
ammonium
Hybridization