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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. ?Hsoln=?H1+?H2+?H3+...
Law of Conservation of Mass
yellow
Enthalpy of Solution
State Functions
2. Symbol for Enthalpy
H
hydro-ic acid
double bond
Solution
3. Ka=[products]^m/[reactants]^n
melting
State Functions
square pyramidal
Acid Dissociation Constant
4. Variable for spin of electron (+.5 or -.5)
Octahedral
s (fourth quantum number)
carbohydrates
q
5. I¹?
sublimation
Volt
cyanide
iodide
6. Substance in which something is dissolved in a solution (higher [ ])
sulfite
Solvent
Effusion
octahedral
7. The chemical formed when a base accepts a proton
Transition metals
freezing
conjugate acid
(moles of products that are gasses) - (moles of reactants that are gasses)
8. (organics) four carbons
but-
pi=(nRT)/v
Molecule
endless
9. Mass/volume
Hund's Rule
Density
alkyne
E
10. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells
voltaic cells
London dispersion forces
blue-green
Limiting reactant
11. Speed per molecule of gas
experimental yield
v3kT/m
Equilibrium constant
r1/r2
12. kf of water
trigonal bipyramidal
Alpha Particles-
Molecular Compounds
1.86°C
13. Solution used in titration
titrant buret
Acid Dissociation Constant
Heisenberg Uncertainty Principle
Alkali metals
14. ClO4¹?
perchlorate
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
s (fourth quantum number)
Limiting reactant
15. Newton's Second Law
Force = mass x acceleration
Equilibrium Expression
p orbitals
a precipitate forms
16. To find activation energy use the...
Arrhenius equation
conjugate acid
Molecular
triple bond
17. Has values 1 -2 -3 -...; tells energy levels
Alkaline earth metals
activated complex (transition state)
Net Ionic Equation
Principal Quantum Number
18. Connects the 2 half cells in a voltaic cell
Monoprotic
Dalton's Law of Partial Pressures
square planar
salt bridge
19. 1/([A]0*k)
London dispersion forces
prop-
high pressure - low temperature
Second-Order Half Life
20. Heat required to raise the system 1°C
Endothermic
end point
heat capacity
AH
21. MnO4¹?
Monoprotic
Work
# protons (atom is defined by this)
permanganate
22. How to Find a Weighted Average
like
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
endless
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
23. Group 2 metals
charge
Lone Pair
Zero-Order Half Life
Alkaline earth metals
24. Substances that form OH- when dissolved in water; proton acceptors
Second-Order Half Life
supercritical fluid
Bases
methoxy-
25. (organics) eight carbons
square pyramidal
oct-
Isolated System
chromate
26. Force that holds atoms together
Its element
Chemical Bonds
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
prop-
27. Oxidation # of Halogens
-1
Law of Conservation of Mass
5% rule
0
28. Pure metal or metal hydride + H20 ->
Boltzmann distribution
Calorimeter
base and hydrogen gas
trigonal bipyramidal
29. Isotope
adiabatic
heat of vaporization
different # of neutrons
amine
30. A molecule having a center of positive charge and a center of negative charge
Dipole Moment
phosphate - sulfide - carbonate - sulfate
4.184
P1= X1P1°
31. A measure of resistance of an object to a change in its state of motion
Effusion
Mass
cyanide
96500
32. The reactant that is being oxidized - brings about reduction
yellow
Anion
t-shape
reduction agent
33. Organic reaction in which two functional groups come together - resulting in the release of water
pent-
Strong acid weak base rxn
condensation
d
34. Does the same as equilibrium expression - except it uses initial concentrations
Reaction Quotient (Q)
Enthalpy of Solution
Graham's Law
strong acids
35. Similar to atomic orbitals - except between molecules
1/2mv²
Molecular Orbitals (MOs)
methoxy-
Antibonding Molecular Orbital
36. A homogeneous mixture with 1 phase
Positive work value; work done on system
Solution
Surroundings
heat of vaporization
37. Carbon - hydrogen - oxygen compounds
catalyst
carbohydrates
strong bases
Hydrogen bonding
38. Amount of gravitational force exerted on an object
Theoretical yield
e-
Weight
exothermic
39. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))
sulfite
Amino-
iodide
Acid + Base --> Salt + Water
40. C2O4²?
hept-
oxalate
g solute/g solvent x 100
system
41. Reactant which doesn't get used up completely in a chemical reaction
endless
Alkali metals
zero
excess reactant
42. (organics) three carbons
spontaneous
prop-
Zero-Order Half Life
Dalton's Law
43. Raoult's Law - relations between vapor pressure and concentrations
anode
P1= X1P1°
standard solution
Alkali metals
44. Force acting over distance
Work
Root Mean Square Velocity
0.512°C
but-
45. 120° - sp^2
octahedral
v3RT/M(in kg)
rate
Trigonal Planar
46. 96 -485 C/mol e-
Finding Empirical Formulas
Faraday
Bronsted-Lowry base
ionic
47. Studies the rate at which a chemical process occurs and sheds light on its reaction mechanism
iodide
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Chemical Kinetics
blue
48. H?+OH??H2O
1atm=?mmHg/Torr
strong acid strong base rxn
but-
Oxidation is Loss Reduction is Gain
49. Force per unit area
Pressure
s (fourth quantum number)
Weight
Temperature
50. Puts OH? into solution
pi=(nRT)/v
Arrhenius base
Specific Heat (s)
Bond Order