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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. pH=
insoluble
freezing
log[H+]
Ag+ - Pb2+ - Hg2+
2. Spontaneous emission of radiation
Radioactivity
s
methods of increasing rate
-2 - with peroxide -1
3. Arrhenius equation
k=Ae^(-Ea/RT)
hept-
charge
Equilibrium Expression
4. If anion ends in -ite - acid name ends in...
boiling point
voltaic cells
lambda
-ous acid
5. Change without heat transfer between the system and its surroundings
adiabatic
Chemical Kinetics
effects of IMF
Scientific Method
6. Newton's Second Law
oxidizing agent
Force = mass x acceleration
Graham's Law
Molar Heat Capacity
7. Kinetic Energy per mol
Oxidizing Agent
Force = mass x acceleration
3/2RT
Amphoteric
8. Planck's constant - used to calculate energy w/frequency
melting point
Dalton's Law
Strong acid weak base rxn
6.63x10?³4Js
9. 6.022x10^23
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
mol
Ideal Gas Law
Le Chatelier's Principle
10. K
Equilibrium constant
anode
1 atm
deposition
11. Heat needed to change 1 g of substance to 1°C
Molal BP Elevation Constant
specific heat
but-
System
12. If Q>Ksp
single bond
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
a precipitate forms
Q<K
13. Raoult's Law - relations between vapor pressure and concentrations
Integrated Second-Order Rate Law
P1= X1P1°
high pressure - low temperature
single bond
14. Verticals on the periodic table
heat of vaporization
mol
group
blue-green
15. Mass reactants= mass products
seesaw
Pauli Exclusion Principle
Law of Conservation of Mass
activated complex (transition state)
16. A solution used in titrations whose concentration is known
standard solution
Pressure
d
oxidation
17. 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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18. Color of Ca (flame test)
pi=(nRT)/v
red/orange
Arrhenius equation
Antibonding Molecular Orbital
19. Ester suffix
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
+1 - except if bonded to Alkali Metal -1
-oate
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
20. 760mmHg/Torr
Quantum Numbers
endless
Magnetic Quantum Number (ml)
1atm=?mmHg/Torr
21. Faraday's constant
methoxy-
96500
Reaction Quotient (Q)
Strong acid weak base rxn
22. Elements in groups 3-12
Law of Conservation of Energy
Transition metals
Isolated System
boiling point
23. Everything in the universe that is not defined by you as part of the system
Q<K
Surroundings
0
electrolyte
24. The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
London Dispersion Forces
supercritical fluid
Radioactivity
25. Passage of gas through tiny orifice
Effusion
Quantum Mechanical Model
van't Hoff Factor
1 atm
26. Atomic #
LeChatelier's Principle
vaporization
# protons (atom is defined by this)
H
27. (organics) five carbons
pent-
Solubility Product (Ksp)
activated complex (transition state)
green/yellow
28. Energy required to break a bond
Bond Energy
-(P)(Change in V)
Arrhenius Base
methoxy-
29. Aldehyde suffix
CAT
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
-al
Calorimetry
30. I=moles of particles/moles of solute dissolved
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31. Consists of a complex ion - a transition metal with attached ligands - and counterions
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
Coordination Compound
Volt
reduction agent
32. Mass/volume
Bronsted-Lowry Base
Density
Molar Mass of Element/ Total Molar Mass %
Diffusion
33. AP doesn't deal with ...-order reaction - don't pick it!
are not
third
Electronegativity
Anode
34. Matter can't be created nor destroyed
permanganate
Law of Conservation of Mass
Bronsted-Lowry Base
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
35. When n=4 ->2 - color=
blue-green
Alkali metals
carbonate
see-saw
36. Increase Pressure
Decrease Volume and Increase Temperature
Multiplying
v3RT/M(in kg)
Q>K
37. Ability of an atom in a molecule to attract shared electrons to itself
Boltzmann distribution
Electronegativity
s orbitals
Amino-
38. The weight exerted by a column of air or the pressure exerted by the Earth's atmosphere
Atmospheric Pressure
oct-
Second-Order Rate Law
trigonal bipyramidal
39. When gas compresses ...
Ag+ - Pb2+ - Hg2+
Positive work value; work done on system
London Dispersion Forces
q
40. Wavelength symbol
lambda
nitrate
Dipole Moment
Atomic Mass Unit
41. OH¹?
1st law of thermodynamics
0
hydroxide
Molarity
42. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals
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43. Mixing of gases
dichromate
Diffusion
ether
Solution
44. 101 -325 Pa
1atm=?Pa
hydro-ic acid
fusion
Molecule
45. Change in moles (An) =?
(moles of products that are gasses) - (moles of reactants that are gasses)
condensation
permanent gases
Overall Reaction Order
46. Raising heat - adding catalyst - heighten concentration - bigger surface area
Standard Temperature and Pressure
methods of increasing rate
Integrated First-Order Rate Law
Resonance
47. AH of formation for a substance in its stablest form (how it is found in nature)
Manometer
0
C=(mass)(specific heat)
t-shape
48. Substances that form H+ when dissolved in water; proton donors
Acids
Multiplying
Cg=kPg
no precipitate forms
49. The driving force for a spontaneous is an increase in entropy of the universe
Bond Energy
Entropy (S)
Zero-Order Rate Law
v3RT/M(in kg)
50. 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)
Alpha Particles-
Solution
Density
Molecular Compounds