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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. Force that holds atoms together
?Tb= kb x molality
rate gas A/rate gas B = square root (mm A/ mm B)
Chemical Bonds
0
2. The chemical formed when an acid donates a proton
conjugate base
double bond
Acid + Base --> Salt + Water
Barometer
3. S²?
sulfite
Buffered Solution
sulfide
Covalently w/in themselves - Ionicly bonded w/ each other
4. Bond bond in which atoms aren't so different that electrons are completely transferred but are different enough that unequal sharing occurs
charge
Polar Covalent
-(q of H2O + q of cal)
nitrite
5. (A) - C/s
Ampere
# protons + # neutrons
Thermochemistry
second
6. 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)
red
Solute
Molecular Compounds
phosphate - sulfide - carbonate - sulfate
7. Energy involved in gaining an electron to become a negative ion
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
n0
electron affinity
chloride
8. Kinetic Energy is proportional to ______
Temperature
sublimation
Boltzmann distribution
q
9. q H2O = ?
msAT
reduction agent
Alkaline earth metals
hydrolysis
10. R=
M1V1=M2V2
experimental yield
0.0826Latm/Kmol
perchlorate
11. Oxidation # of Polyatomic Ions
Heat Capacity (C)
Scientific Method
Bases
charge
12. Absorbs/takes in heat (positive value)
Endothermic
green/yellow
1/2mv²
1.38x10?²³J/K
13. Mixing of gases
Bases
1st law of thermodynamics
Diffusion
Pressure
14. E=mc^2
ether
Reducing Agent
geometric isomers
Theory of Relativity
15. Color of Li (flame test)
red
Law of Definite Proportion
Standard Temperature and Pressure
not spontaneous
16. Solution in flask being titrated
analyte
Equilibrium Expression
Hess's Law
surroundings
17. Oxidation # of Compounds
0
Metalliods
Cg=kPg
% yield
18. Has values from -l to l - including zero; tells orientation of the orbital relative to other orbitals
1atm=?mmHg/Torr
Magnetic Quantum Number (ml)
meth-
Strong acid weak base rxn
19. AX5E
effects of IMF
square pyramidal
Hess's Law
d
20. Oxidation # of Hydrogen
+1 - except if bonded to Alkali Metal -1
2nd law of thermodynamics
5% rule
purple --> pink
21. If anion ends in -ate - acid name ends in...
-ic acid
red
standard solution
Matter
22. When n=4 ->2 - color=
blue-green
l (second quantum number)
Anode
Molar Mass of Element/ Total Molar Mass %
23. Oxidation # of Halogens
deposition
-1
hydro-ic acid
octahedral
24. Change that occurs at constant temperature
sulfite
isothermal
Molar Heat Capacity
X of a = moles a/total moles
25. Measure of the average kinetic energy of all the particles in a substance
viscosity
Ionic
Solubility Product (Ksp)
Temperature
26. Like dissolves...
-al
van't Hoff Factor
electrolyte
like
27. The chemical formed when a base accepts a proton
Hund's Rule
N=N.(0.5)^time/time half-life
conjugate acid
+1 - except if bonded to Alkali Metal -1
28. When gas compresses ...
Positive work value; work done on system
Principal Quantum Number
e-
tetrahedral
29. l=3
Isotopes
f
-oate
Reaction Quotient (Q)
30. The weight exerted by a column of air or the pressure exerted by the Earth's atmosphere
Pressure
deposition
group
Atmospheric Pressure
31. [A]0/2k
Zero-Order Half Life
Bond Energy
Electron Spin Quantum Number
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
32. The minimum energy that molecules must possess for collisions to be effective - Ea
Specific Heat (s)
Theory of Relativity
activation energy
base and hydrogen gas
33. Variable for type of orbital
titrant buret
permanent gases
equilibrium
l (second quantum number)
34. A molecule having a center of positive charge and a center of negative charge
Dipole Moment
boiling point
supercritical fluid
Bond Energy
35. r=k
Entropy (S)
0
Molality
Zero-Order Rate Law
36. Speed of light - C
3.0x108m/s
London dispersion forces
Positive work value; work done on system
pent-
37. Variable for energy of e- - goes from 1 -2 -3 on up
Manometer
Mass
n (first quantum number)
adiabatic
38. Significant Digits of Conversion Factors
specific heat
Law of Conservation of Mass
Dipole Moment
endless
39. (organics) triple-bonded compound
bond energy
0.512°C
First-Order Half Life
alkyne
40. Elements which have unpaired electrons and highly affected by magnetic fields
diamagnetic
oxalate
n (first quantum number)
paramagnetic
41. (organics) six carbons
octahedral
permanganate
hex-
96500
42. l=0
Average KE = 1/2(mass)(average speed of all particles)
s
Alkaline earth metals
square planar
43. Nonmetal oxide + H2O ->
cathode
0 degrees C - 1 atm
acid
pent-
44. Melting
van't Hoff Factor
Work
permanganate
fusion
45. These orbitals are spherical
n0
PV=nRT
s orbitals
Principal Quantum Number
46. AX3E2
M1V1=M2V2
8.31J/Kmol
T-shape
Magnetic Quantum Number (ml)
47. (organics) four carbons
but-
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
Ideal Gas Law
square planar
48. Mass reactants= mass products
Monoprotic
Law of Conservation of Mass
endothermic
blue
49. Force per unit area
Alkaline earth metals
Reaction Quotient (Q)
Hybridization
Pressure
50. 1.Volume of individual particles can be assumed to be zero 2.The particles are in constant motion - which causes pressure 3.Particles exert no forces on each other 4.The average kinetic energy of the particles is directly affected by temperature(K)
Kinetic Molecular Theory - for ideal gases
bent
First-Order Half Life
Principal Quantum Number