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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. .69/k
First-Order Half Life
Law of Conservation of Mass
heat of vaporization
Valence Electrons(assigned)
2. Electron (symbol)
sublimation
e-
Ideal Gas Law
green/yellow
3. Describe various properties of one orbital
a precipitate forms
acetate
Quantum Numbers
Calorimetry
4. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows
0
red/orange
Resonance
Surroundings
5. PV=nRT
boiling point
pent-
Ideal Gas Law
zero
6. Color of Ba (flame test)
green/yellow
Ampere
Radioactivity
reduction
7. % yield
oxide gas and water
square planar
chlorite
actual yield/theoretical yield x 100%
8. Symbol for Total Heat absorbed or released
q
Molarity
(moles of products that are gasses) - (moles of reactants that are gasses)
a precipitate forms
9. Each orbital can hold two e?s each w/ opposite spins
cohesion
Pauli Exclusion Principle
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
Electron Spin Quantum Number
10. Change in Energy = ? (in terms of constant pressure; for gasses)
Balmer Series
Chemical Bonds
AE= AH - RTAn
Law of Conservation of Mass
11. AX5E
square pyramidal
Oxidizing Agent
Isolated System
electrolyte
12. Loss of electrons - increase in oxidation #
oxidation
charge
Counterions
m (third quantum number)
13. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides
Heat
Positive work value; work done on system
phosphate
soluble
14. Amount of gravitational force exerted on an object
f
Weight
Law of Multiple Proportions
ionic
15. A monoatomic anion is named by taking...
oxidizing agent
Nernst Equation
Its root and adding -ide
chloride
16. #NAME?
Thermochemistry
Strong acid weak base rxn
E
alcohol
17. Composition Formula
AH
eth-
Quantum Mechanical Model
Molar Mass of Element/ Total Molar Mass %
18. MnO4¹?
moles of solute/ L of solution
permanganate
1.38x10?²³J/K
Manometer
19. l=2
work
alkyne
n (first quantum number)
d
20. Carbon - hydrogen - oxygen compounds
carbohydrates
Thermochemistry
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
work
21. Positive ion
meth-
Molality
a precipitate forms
Cation
22. 90°&120° - dsp^3
Graham's Law
Trigonal Bipyramidal
Ionic Compounds
Le Chatelier's Principle
23. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells
Equivalence Point
acid
8.314 J/K mol
voltaic cells
24. Symbol for Enthalpy
Surroundings
H
C + 273
Law of Multiple Proportions
25. Cr2O7²?
London dispersion forces
dichromate
Zero-Order Rate Law
Integrated Rate Law
26. Amount of product produced when limiting reactant is used up
condensation
Theoretical yield
boiling point
ionic
27. Amount of heat needed to change a system by 1°C
Q>K
Hund's Rule
ammonium
heat capacity
28. 120° - sp^2
blue
Antibonding Molecular Orbital
Trigonal Planar
octahedral
29. 96 -485 C/mol e-
Open System
Faraday
-1
System
30. Variable for spin of electron (+.5 or -.5)
-ic acid
hept-
Net Ionic Equation
s (fourth quantum number)
31. Where reduction occurs
Trigonal Planar
Cathode
Ionic
Temperature
32. Organic w/ -O-
ether
different # of neutrons
% error
alkane
33. The energy required to raise 1 g of substance 1 degree C
Quantum Numbers
End Point
Specific Heat (s)
activation energy
34. Effusion of a gas is inversely proportional to the square root of the molar mass
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35. U(rms)=(3RT/M)^1/2
group
Alkaline earth metals
Root Mean Square Velocity
Boltzmann distribution
36. Nonmetal oxide + H2O ->
Oxidizing Agent
complex ions
hydroxide
acid
37. (organics) eight carbons
non-
triple bond
conjugate base
oct-
38. (organics) seven carbons
phosphate
Anion
hept-
Law of Definite Proportion
39. To find activation energy use the...
Arrhenius equation
purple --> pink
Ideal Gas Law
adiabatic
40. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)
hydrolysis
Pi Bond
Angular Momentum Quantum Number
Bronsted-Lowry acid
41. Half cell in which reduction occurs
s (fourth quantum number)
v3kT/m
cathode
5% rule
42. A solution used in titrations whose concentration is known
Hund's Rule
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
standard solution
Dipole-dipole forces
43. Ptotal=P1+P2+P3+...
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44. Ester suffix
boiling point
-oate
dichromate
Bond Order
45. (organics) six carbons
third
-al
p orbitals
hex-
46. (organics) double-bonded compound
alkene
mol Fraction
Zero-Order Rate Law
oxidizing agent
47. Boiling point - melting point - viscosity - vapor pressure - surface tension
hydrocarbons
effects of IMF
1 atm
insoluble
48. Point at which the titrated solution changes color
are not
1.86°C
Nodes
end point
49. When n=5 ->2 - color=
Bond Order
octahedral
blue-violet
Its root and adding -ide
50. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium
deposition
P of a =(X of a)(total pressure)
spontaneous
third