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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. F¹?
H
yellow --> green
Anode
flouride
2. C2O4²?
0
oxalate
Sigma Bond
Endothermic
3. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas
Covalently w/in themselves - Ionicly bonded w/ each other
0
3.0x108m/s
Cg=kPg
4. SI unit of energy; Kg*m^2/s^2
Quantum Model
N=N.(0.5)^time/time half-life
different # of neutrons
Joule
5. The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles
acetate
square planar
London Dispersion Forces
Q>K
6. The part of the universe one is focused upon (in thermodynamics)
Valence Electrons(assigned)
Counterions
Hess's Law
system
7. These orbitals are spherical
96500
seesaw
Root Mean Square Velocity
s orbitals
8. If Q>Ksp
a precipitate forms
viscosity
Law of Multiple Proportions
blue
9. Determined by the formula h/m(in kg)v - (v=velocity)
Buffered Solution
bromate
wavelength
Acids
10. r=k[A]^2
C=(mass)(specific heat)
PV=nRT
violet
Second-Order Rate Law
11. Measure of the change in enthalpy
-(q of H2O + q of cal)
Angular Momentum Quantum Number
Delta H or Enthalpy Change
a precipitate forms
12. A measure of resistance of an object to a change in its state of motion
Solution
0
Open System
Mass
13. ?T=k*m(solute)
acid
Decrease Volume and Increase Temperature
Molal BP Elevation Constant
Anion
14. Peak of energy diagram
heat capacity
amine
Nodes
activated complex (transition state)
15. Average Kinetic Energy Formula
Ampere
Average KE = 1/2(mass)(average speed of all particles)
Colligative properties
Coordination Compound
16. Effusion of a gas is inversely proportional to the square root of the molar mass
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17. The amount of energy/heat required to raise some substance 1 degree C
insoluble
Heat Capacity (C)
Bronsted-Lowry acid
Hess's Law
18. Mols A/ total mols - XA
Zero-Order Rate Law
red
blue
mol Fraction
19. The energy required to raise 1 g of substance 1 degree C
Specific Heat (s)
Hydrogen bonding
Effusion
Solute
20. Color of Sr (flame test)
Law of Definite Proportion
Law of Conservation of Mass
square planar
red
21. q rxn = ?
-(q of H2O + q of cal)
sulfide
equivalence point
Effusion
22. A solution used in titrations whose concentration is known
Dalton's Law of Partial Pressures
standard solution
allotrope
charge
23. Reactant that's completely used up in a chemical reaction
-oate
Naming Binary Ionic Compounds
Limiting reactant
Theory of Relativity
24. AX3E2
t-shape
yellow --> green
adhesion
Constant Pressure
25. Solid to liquid
melting
red
chlorate
Oxidizing Agent
26. Ester suffix
-oate
complex ions
Surroundings
Transition metals
27. An element with several different forms - each with different properties (i.e. graphite & diamond)
phosphate
spontaneity
Allotrope
experimental yield
28. Substances that form H+ when dissolved in water; proton donors
Acids
Anode
heat of vaporization
Q<K
29. 760 mmHg - 760 torr
moles solute/kg solvent
1 atm
Integrated Second-Order Rate Law
First-Order Half Life
30. The line running between the atoms
Sigma Bond
p
dec-
second
31. CN¹?
Sigma Bond
e-
cyanide
are
32. A device used to measure Delta H
Calorimeter
van't Hoff Factor
Alkali metals
Galvanic Cell
33. Atomic #
prop-
State Functions
Integrated Rate Law
# protons (atom is defined by this)
34. High-energy light
Force = mass x acceleration
p
Gamma Ray-
Chemical Kinetics
35. Variable for orientation of orbital (-1 through +1)
charge
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
m (third quantum number)
London dispersion forces
36. Symbol for the heat absorbed or lost molecularly (PER MOLE)
Integrated First-Order Rate Law
Bond Energy
AH
dichromate
37. Oxidation # of Compounds
0
-(q of H2O + q of cal)
first
Its root and adding -ide
38. Each orbital can hold two e?s each w/ opposite spins
bromate
Transition metals
Pauli Exclusion Principle
solid CO2
39. Heat capacity formula
boiling point
Temperature
heat capacity
C=(mass)(specific heat)
40. Specific heat of water
0.0821 atm L/mol K
4.184
-oate
v3kT/m
41. 1/[A] vs. time is a ...-order reaction
second
Balmer Series
end point
Endothermic
42. A monoatomic anion is named by taking...
Its root and adding -ide
Theory of Relativity
Quantum Model
Calorimeter
43. Oxidation # of Oxygen
v3kT/m
-2 - with peroxide -1
electron affinity
Percent Yield
44. A solution that resists a change in pH - contains both a weak acid and its conjugate base
Arrhenius Acid
Buffer
Molarity
Standard Temperature and Pressure
45. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium
precipitate
yellow --> green
rate
Osmotic Pressure
46. Equation to find Ea from reaction rate constants at two different temperatures
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
isothermal
allotrope
Cell Potential (Ecell)
47. l=0
Ag+ - Pb2+ - Hg2+
hydroxide
s
msAT
48. (organics) two carbons
eth-
endothermic
Second-Order Half Life
London dispersion forces
49. When gas compresses ...
Increase Temperature
endless
Positive work value; work done on system
p orbitals
50. 1/([A]0*k)
Nernst Equation
deposition
Exothermic
Second-Order Half Life