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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. Variable for spin of electron (+.5 or -.5)
s (fourth quantum number)
purple
endothermic
viscosity
2. (organics) nine carbons
Equivalence Point
non-
chlorite
Second-Order Half Life
3. These orbitals are perpendicular
Pressure
p orbitals
Hybridization
Integrated First-Order Rate Law
4. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities
Boltzmann distribution
Bonding Pairs
Allotrope
2nd law of thermodynamics
5. 180° - sp
3rd law of thermodynamics
dec-
Linear
Integrated Rate Law
6. Boltzmann constant - used in calculating speed of gas per molecule
Anion
square pyramidal
end point
1.38x10?²³J/K
7. H+ Acceptor
Bronsted-Lowry Base
are not
Reducing Agent
single bond
8. Point at which liquid?gas occurs
hydrocarbons
PV=nRT
boiling point
conjugate base
9. Metal oxide + H20 ->
Solute
base
Volt
cathode
10. Faraday's constant
d
96500
First-Order Rate Law
trigonal bipyramidal
11. Heat capacity formula
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
C=(mass)(specific heat)
8.314 J/K mol
heat of vaporization
12. Molecules' tendency to stick to the container
Radioactivity
adhesion
Cation
Amino-
13. #NAME?
Heat
p
0
E
14. How to Find an Empirical Formula Given Grams
ammonium
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
hydrolysis
Trigonal Bipyramidal
15. Theoretical yield-experimental yield/theoretical yieldx100
effects of IMF
violet
% error
22.4L
16. Substance that - when dissolved - is conductive
Its root and adding -ide
amine
electrolyte
force x distance = work done
17. 1/[A] vs. time is a ...-order reaction
second
End Point
(moles of products that are gasses) - (moles of reactants that are gasses)
London Dispersion Forces
18. Energy required to break a bond
chloride
Solvent
excess reactant
Bond Energy
19. HCl - HBr - HI - HNO3 - HClO4 - H2SO4
voltaic cells
v3RT/M(in kg)
vaporization
strong acids
20. ln[A] vs. time is a ...-order reaction
first
Naming Binary Ionic Compounds
Hund's Rule
Integrated Rate Law
21. % yield
# protons + # neutrons
melting
0.0826Latm/Kmol
actual yield/theoretical yield x 100%
22. (organics) double-bonded compound
1.86°C
Zero-Order Rate Law
alkene
Trigonal Planar
23. 0°C and 1 atm
Open System
State Functions
STP
Bonding Pairs
24. l=2
d
Alkali metals
Equilibrium Expression
Dipole-dipole forces
25. AP doesn't deal with ...-order reaction - don't pick it!
Ampere
fusion
analyte
third
26. When n=6 ->2 - color=
specific heat
violet
precipitate
3.0x108m/s
27. A monoatomic anion is named by taking...
Its root and adding -ide
alkene
P1V1/N1T1=P2V2/N2T2
Aufbau Principle
28. Rate of Diffusion/Effusion formula
Arrhenius Acid
Bond enthalpy
t-shape
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
29. Unit of electrical potential; J/C
Bronsted-Lowry Base
nitrite
hydrocarbons
Volt
30. As protons are added to the nucleus - electrons are similarly added
Aufbau Principle
1atm=?mmHg/Torr
Bond Energy
T-shape
31. NO3¹?
nitrate
Reducing Agent
s (fourth quantum number)
oct-
32. Kinetic Energy per mol
96500
3/2RT
Octahedral
C=(mass)(specific heat)
33. Occupies the space above and below a sigma bond
Bond Order
Pi Bond
-2 - with peroxide -1
Temperature
34. Atoms with the same number of protons but a different number of neutrons
indicator
Second-Order Rate Law
Tetrahedral
Isotopes
35. Energy needed to vaporize a mole of a liquid
fusion
Magnetic Quantum Number (ml)
0 degrees C - 1 atm
?Hvap
36. Calculation from K to C
Resonance
C + 273
1atm=?mmHg/Torr
dec-
37. Lowers activation energy
catalyst
Electronegativity
Angular Momentum Quantum Number
AE = q + w
38. Pairs of electrons localized on an atom
Lone Pair
AE= AH - RTAn
Molecular Orbitals (MOs)
P of a =(X of a)(total pressure)
39. The chemical formed when a base accepts a proton
Bronsted-Lowry Base
conjugate acid
22.4L
Naming Binary Ionic Compounds
40. Instrument used to measure the pressure of a not-atmospheric gas (open or closed system)
diamagnetic
zero
Manometer
freezing
41. Raoult's Law - relations between vapor pressure and concentrations
Bronsted-Lowry Base
22.4L
cohesion
P1= X1P1°
42. 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)
Integrated Zero-Order Rate Law
22.4L
Enthalpy of Solution
State Functions
43. A single substance that may be an acid or a base (i.e. water)
2nd law of thermodynamics
heat capacity
Bonding Pairs
Amphoteric
44. In ideal gas law problem - when it says "atmospheric" ...
Le Chatelier's Principle
mol Fraction
Ligand
Pressure of H2O must be Subtracted
45. Group 1 and heavier Group 2 bases
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
Allotrope
Oxidizing Agent
strong bases
46. [A]=-kt + [A]0
-oic acid
P1V1/N1T1=P2V2/N2T2
Enthalpy of Solution
Integrated Zero-Order Rate Law
47. Wavelength symbol
p+
lambda
X of a = moles a/total moles
Isolated System
48. (organics) three carbons
prop-
isothermal
Scientific Method
dichromate
49. AX6
octahedral
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
8.314 J/K mol
2nd law of thermodynamics
50. Negative enthalpy - heat flows into surroundings
Molar Heat Capacity
First-Order Rate Law
exothermic
Pressure of H2O must be Subtracted