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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. Mass #
Formal Charge
Pauli Exclusion Principle
supercritical fluid
# protons + # neutrons
2. R=
Cg=kPg
Boltzmann distribution
Arrhenius Base
8.31J/Kmol
3. (organics) five carbons
pent-
hydroxide
end point
reduction agent
4. SO4²?
Integrated Rate Law
group
Effusion
sulfate
5. (organics) two carbons
Buffer
s
second
eth-
6. Puts H? into solution
endothermic
Arrhenius acid
fusion
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
7. Weakest IMFs - found in all molecules
Strong acid weak base rxn
deposition
rate
London dispersion forces
8. q H2O = ?
msAT
vapor pressure
pent-
Cation
9. 0°C and 1 atm
Effusion
Magnetic Quantum Number (ml)
Reducing Agent
STP
10. l=1
AE = q + w
triple point
Alpha Particles-
p
11. An element with several different forms - each with different properties (i.e. graphite & diamond)
boiling point
Molal BP Elevation Constant
E
Allotrope
12. Force per unit area
sulfide
1atm=?Pa
Pressure
ionic
13. Substances that form OH- when dissolved in water; proton acceptors
?Tf= kf x molality
-ol
alkyne
Bases
14. When n=6 ->2 - color=
22.4L
violet
Root Mean Square Velocity
yellow
15. Variable for orientation of orbital (-1 through +1)
P of a =(X of a)(total pressure)
Alkaline earth metals
m (third quantum number)
Ampere
16. OIL RIG
k=Ae^(-Ea/RT)
AH
Oxidation is Loss Reduction is Gain
Force = mass x acceleration
17. The chemical formed when a base accepts a proton
end point
work
Isolated System
conjugate acid
18. OH¹?
Valence Electrons(assigned)
meth-
hydroxide
Atomic Mass Unit
19. If Q<Ksp
Bond Order
no precipitate forms
Resonance
Molar Mass of Element/ Total Molar Mass %
20. When n=4 ->2 - color=
red/orange
blue-green
Arrhenius base
Closed System
21. AX2 - AX2E3
linear
triple point
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
X of a = moles a/total moles
22. Raising heat - adding catalyst - heighten concentration - bigger surface area
Entropy (S)
q
end point
methods of increasing rate
23. Larger molecules which have higher mass and therefore electron density have stronger...
weak acid strong base rxn
melting
Temperature
London dispersion forces
24. AX5
Reaction Quotient (Q)
charge
endothermic
trigonal bipyramidal
25. 109.5° - sp^3
methoxy-
deposition
Tetrahedral
square pyramidal
26. R=
log[H+]
Resonance
Magnetic Quantum Number (ml)
0.0826Latm/Kmol
27. Heat capacity formula
Pressure of H2O must be Subtracted
r1/r2
C=(mass)(specific heat)
Weight
28. Mass percent
Molal FP Depression Constant
g solute/g solvent x 100
m (third quantum number)
red/orange
29. The measurement of heat changes
Calorimetry
Beta Particles-
Valence Electrons(assigned)
Bases
30. 120° - sp^2
X of a = moles a/total moles
Trigonal Planar
tetrahedral
Law of Multiple Proportions
31. This MUST be determined experimentally
rate law
% error
conjugate acid
supercritical fluid
32. Oxidation # of Oxygen
complex ions
-2 - with peroxide -1
Amount of atoms present
Closed System
33. 90°&120° - dsp^3
Quantum Numbers
blue-violet
Trigonal Bipyramidal
Speed of light
34. A solid or gas that can be formed when 2 or more aqueous reactants come together
Molarity
precipitate
Molar Heat Capacity
complex ions
35. AX4E2
Surroundings
% yield
meth-
square planar
36. A device used to measure Delta H
Dalton's Law of Partial Pressures
Arrhenius base
Calorimeter
freezing
37. Isotope
trigonal bipyramidal
different # of neutrons
nu
Bronsted-Lowry base
38. ln[A]=-kt + ln[A]0
Kinetic Molecular Theory - for ideal gases
Colligative properties
reduction agent
Integrated First-Order Rate Law
39. AX3E2
Angular Momentum Quantum Number
acid
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
t-shape
40. AX6
Constant Volume
allotrope
octahedral
viscosity
41. Color of Ba (flame test)
single bond
Volume Metric Flask & Pipet
green/yellow
q
42. Solution used in titration
triple bond
0
titrant buret
-ous acid
43. Anything occupying space and with mass
8.31J/Kmol
-(P)(Change in V)
Scientific Method
Matter
44. 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
45. Carbon - hydrogen - oxygen compounds
endless
carbohydrates
Its element
weak acid strong base rxn
46. PV=nRT
heat capacity
anode
Ideal Gas Law
Integrated Zero-Order Rate Law
47. r=k
Zero-Order Rate Law
Delta H or Enthalpy Change
-ic acid
octahedral
48. (organics) triple-bonded compound
alkyne
Bronsted-Lowry base
Valence Electrons(assigned)
Its element
49. Solution in flask being titrated
analyte
heat of fusion
Its element
system
50. Kinetic Energy is proportional to ______
Chemical Bonds
Anion
Temperature
insoluble