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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. For significant digits - trailing zeros _____ significant
T-shape
are
oxidation
l (second quantum number)
2. (organics) six carbons
hex-
Equilibrium Expression
viscosity
ammonium
3. ?H when 1 mol of bonds is broken in the gaseous state
acid
activation energy
Balmer Series
Bond enthalpy
4. Group 1 and heavier Group 2 bases
-(P)(Change in V)
strong bases
Zero-Order Half Life
Antibonding Molecular Orbital
5. AX4E
flouride
Buffered Solution
seesaw
chlorite
6. Variable for energy of e- - goes from 1 -2 -3 on up
Covalently w/in themselves - Ionicly bonded w/ each other
carbohydrates
n (first quantum number)
Exothermic
7. ln[A]=-kt + ln[A]0
Integrated First-Order Rate Law
Pressure
A Roman numeral
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
8. Has values from 0 to (n-1); tells shape of atomic orbitals
Angular Momentum Quantum Number
Barometer
blue
Matter
9. kf of water
Acids
pi=(nRT)/v
1.86°C
Limiting reactant
10. AX5E
diamagnetic
square pyramidal
zero
Temperature
11. Solid to gas
sublimation
Arrhenius Acid
critical point
Theoretical yield
12. Involves quantum numbers
London dispersion forces
non-
red
Quantum Mechanical Model
13. (organics) one carbon
Oxidation is Loss Reduction is Gain
Heat
paramagnetic
meth-
14. Thickness
Oxidizing Agent
Alkali metals
perchlorate
viscosity
15. Type of system in which nothing is transfered (no mass or energy); ideal
f
Pauli Exclusion Principle
Isolated System
Ligand
16. Elements which have all electrons paired and relatively unaffected by magnetic fields
different # of neutrons
diamagnetic
Zero-Order Rate Law
Equilibrium Expression
17. R in ideal gas law
22.4L
P1V1/N1T1=P2V2/N2T2
Integrated Zero-Order Rate Law
0.0821 atm L/mol K
18. Nonmetal oxide + H2O ->
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
red/orange
alkyne
acid
19. Variable for spin of electron (+.5 or -.5)
chlorite
s (fourth quantum number)
Dipole Moment
Finding Empirical Formulas
20. J/°Cg or J/Kg
non-
Specific Heat Capacity
hept-
Integrated Rate Law
21. A solid or gas that can be formed when 2 or more aqueous reactants come together
l (second quantum number)
precipitate
exothermic
hydroxide
22. High-energy light
Gamma Ray-
melting
Kinetic Molecular Theory - for ideal gases
Lone Pair
23. Elements which have unpaired electrons and highly affected by magnetic fields
-al
AE= AH - RTAn
paramagnetic
electrolyte
24. AX6
Buffer
octahedral
Trigonal Planar
Cathode
25. Organic reaction in which two functional groups come together - resulting in the release of water
condensation
LeChatelier's Principle
wavelength
hydrolysis
26. Moles of solute/volume of soln(L)
1 atm = 760 mmHg = 101.3 kPa
van't Hoff Factor
Molarity
bromate
27. These orbitals are spherical
triple bond
Arrhenius Base
Allotrope
s orbitals
28. Happens at lines in phase change charts
electron affinity
Surroundings
Heisenberg Uncertainty Principle
equilibrium
29. Ka=[products]^m/[reactants]^n
Angular Momentum Quantum Number
Ampere
Equivalence Point
Acid Dissociation Constant
30. OIL RIG
Volt
Oxidation is Loss Reduction is Gain
Hydrogen bonding
endless
31. ClO3²?
geometric isomers
chlorate
trigonal pyramidal
rate gas A/rate gas B = square root (mm A/ mm B)
32. Absorbs/takes in heat (positive value)
rate
Endothermic
are
Molecular
33. Dirrect Method Formula
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
Root Mean Square Velocity
Nernst Equation
Linear
34. The entropy of a pure perfectly formed crystal @0K is 0
base and hydrogen gas
-2 - with peroxide -1
3rd law of thermodynamics
Amino-
35. Half-life equation
single bond
ether
London dispersion forces
N=N.(0.5)^time/time half-life
36. Ideal Gas Law Formula
Galvanic Cell
Solute
PV=nRT
Multiplying
37. AX6
octahedral
First-Order Rate Law
2nd law of thermodynamics
Electron Spin Quantum Number
38. Combined Gas Law Formula
Cg=kPg
P1V1/N1T1=P2V2/N2T2
Standard Temperature and Pressure
Radioactivity
39. Solution used in titration
Coordination Compound
Alkaline earth metals
titrant buret
Its root and adding -ide
40. Loss of electrons - increase in oxidation #
boiling point
Chemical Bonds
3rd law of thermodynamics
oxidation
41. ... compounds are most conductive
geometric isomers
Tetrahedral
chlorite
ionic
42. Substances w/ critical temperatures below 25°C
dichromate
permanent gases
endless
Ampere
43. Amine prefix
Amino-
Force = mass x acceleration
Pi Bond
period
44. AP doesn't deal with ...-order reaction - don't pick it!
third
Oxidizing Agent
conjugate acid
-2 - with peroxide -1
45. Energy can't be created nor destroyed
trigonal planar
Integrated Zero-Order Rate Law
Law of Conservation of Energy
pent-
46. 180° - sp
l (second quantum number)
Linear
second
Molal FP Depression Constant
47. Speed of Diffusion/Effusion formula
square pyramidal
pi=(nRT)/v
Q>K
rate gas A/rate gas B = square root (mm A/ mm B)
48. When n=5 ->2 - color=
blue-violet
Q<K
heat of fusion
Antibonding Molecular Orbital
49. r=k
r1/r2
Density
Zero-Order Rate Law
Trigonal Planar
50. Instrument used to measure the pressure of atmospheric gas
nitrite
Barometer
Osmotic Pressure
Law of Definite Proportion