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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. AX2E - AX2E2
Reaction Quotient (Q)
Hund's Rule
Increase Temperature
bent
2. AP doesn't deal with ...-order reaction - don't pick it!
-1
third
Aufbau Principle
deposition
3. Substances w/ critical temperatures below 25°C
Amino-
Arrhenius acid
permanent gases
vapor pressure
4. AX6
octahedral
s orbitals
work
Balmer Series
5. Where there are no electrons
red
allotrope
Nodes
Calorimeter
6. In a titration - the point where the indicator changes (just after moles of solid are equal to moles of base)
moles solute/kg solvent
+1 - except if bonded to Alkali Metal -1
voltaic cells
End Point
7. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides
insoluble
Hund's Rule
Solvent
heat of vaporization
8. C2O4²?
oxalate
endothermic
Cg=kPg
C=(mass)(specific heat)
9. R=
Ampere
0.0826Latm/Kmol
p
Ionic Compounds
10. Metal oxide + H20 ->
chromate
Speed of light
base
Ionic
11. Half cell in which reduction occurs
cathode
Angular Momentum Quantum Number
Volume Metric Flask & Pipet
Trigonal Planar
12. CN¹?
Percent Yield
cyanide
Bronsted-Lowry Acid
heat capacity
13. Average speed of gas
Cation
triple bond
v3RT/M(in kg)
Pauli Exclusion Principle
14. The chemical formed when a base accepts a proton
8.31J/Kmol
Linear
conjugate acid
Net Ionic Equation
15. ClO4¹?
pent-
msAT
perchlorate
Ionic
16. Amine prefix
Hybridization
zero
v3RT/M(in kg)
Amino-
17. How to Find an Empirical Formula Given Percentages
-oate
eth-
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
s orbitals
18. Oxidation # of Ions
Buffered Solution
?Hvap
endless
charge
19. Measure of the average kinetic energy of all the particles in a substance
Temperature
mol
Solute
Dalton's Law of Partial Pressures
20. [A] vs. time is a ...-order reaction
1atm=?mmHg/Torr
0 degrees C - 1 atm
green/yellow
zero
21. Kinetic Energy of an individual particle formula
square pyramidal
M = square root (3RT/mm)
Linear
solid CO2
22. Idea Gas Law (actual rules)
bromate
Bases
specific heat
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
23. Point at which solid?liquid occurs
melting point
entropy (S)
Its element
sublimation
24. Planck's constant - used to calculate energy w/frequency
2nd law of thermodynamics
6.63x10?³4Js
Alkaline earth metals
double bond
25. Color of Na (flame test)
H
?Tb= kb x molality
chloride
yellow
26. H + donor
Monoprotic
phosphate
Bronsted-Lowry Acid
T-shape
27. In going from a particular set of reactants to a particular set of products - the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps
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28. U(rms)=(3RT/M)^1/2
Effusion
tetrahedral
Root Mean Square Velocity
Endothermic
29. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers
seesaw
Diffusion
Law of Multiple Proportions
Hund's Rule
30. Universal IMF for nonpolar molecules
allotrope
London dispersion forces
Its element
trigonal bipyramidal
31. Equation to find Ea from reaction rate constants at two different temperatures
first
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
Antibonding Molecular Orbital
Heat
32. OH¹?
Quantum Model
hydroxide
Bond Energy
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
33. Mass percent
g solute/g solvent x 100
iodide
activation energy
Kinetic Molecular Theory - for ideal gases
34. Variable for spin of electron (+.5 or -.5)
alkene
Effusion
Ampere
s (fourth quantum number)
35. The minimum energy that molecules must possess for collisions to be effective - Ea
activation energy
diamagnetic
Heat
22.4L
36. Work = ?
permanent gases
end point
-(P)(Change in V)
electron affinity
37. 0°C and 1 atm
Matter
Anode
salt bridge
STP
38. When ____ significant digits - round answer to least decimal place
Adding
trigonal bipyramidal
nu
# protons + # neutrons
39. Releases/gives off heat (negative value)
Exothermic
vapor pressure
Oxidation is Loss Reduction is Gain
square planar
40. q H2O = ?
alkyne
sulfide
indicator
msAT
41. Mixing of gases
Diffusion
Manometer
octahedral
E
42. r=k[A]^2
Adding
Second-Order Rate Law
Finding Empirical Formulas
oxidizing agent
43. Determined by the formula h/m(in kg)v - (v=velocity)
Solvent
s (fourth quantum number)
Negative work value; work done by system
wavelength
44. Cation first - anion second
sublimation
Naming Binary Ionic Compounds
Linear
acetate
45. Aldehyde suffix
Pi Bond
-al
1atm=?Pa
Alpha Particles-
46. Thickness
viscosity
rate
Atmospheric Pressure
cyanide
47. 101 -325 Pa
Pauli Exclusion Principle
22.4L
work
1atm=?Pa
48. Increase Pressure
Calorimeter
Decrease Volume and Increase Temperature
3rd law of thermodynamics
strong acids
49. Kinetic Energy per mol
Dipole-dipole forces
Delta H or Enthalpy Change
3/2RT
Gamma Ray-
50. Moles of solute/volume of soln(L)
Bronsted-Lowry acid
Molarity
bromate
% yield