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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. ClO2¹?
equivalence point
chlorite
lambda
not spontaneous
2. Speed of light - C
0
3.0x108m/s
chlorite
AE= AH - RTAn
3. Measure of the change in enthalpy
activated complex (transition state)
Solubility Product (Ksp)
Delta H or Enthalpy Change
Calorimetry
4. AX2 - AX2E3
P1V1/N1T1=P2V2/N2T2
Diffusion
linear
endothermic
5. If anion ends in -ite - acid name ends in...
Polar Covalent
Dipole-dipole forces
-ous acid
Chemical Kinetics
6. Energy involved in gaining an electron to become a negative ion
Ampere
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
electron affinity
surroundings
7. Energy required to break a bond
Calorimetry
Hybridization
Bond Energy
Arrhenius equation
8. .69/k
Antibonding Molecular Orbital
base and hydrogen gas
P1= X1P1°
First-Order Half Life
9. Change in Energy = ? (in terms of constant pressure; for gasses)
square pyramidal
AE= AH - RTAn
Molar Heat Capacity
triple point
10. Organic reaction in which two functional groups come together - resulting in the release of water
Osmotic Pressure
-oate
condensation
Temperature
11. Boiling point elevation formula
phosphate
?Tb= kb x molality
Zero-Order Rate Law
E
12. A homogeneous mixture with 1 phase
Solution
meth-
Cg=kPg
Kinetic Molecular Theory - for ideal gases
13. Color of Ba (flame test)
Molality
Principal Quantum Number
green/yellow
d orbitals
14. Energy needed to break a bond
heat capacity
H
n (first quantum number)
bond energy
15. Energy can't be created nor destroyed
Law of Conservation of Energy
mol Fraction
phosphate - sulfide - carbonate - sulfate
Q>K
16. 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)
actual yield/theoretical yield x 100%
Molecular Compounds
Integrated First-Order Rate Law
p
17. r=k[A]
96500
specific heat
Aufbau Principle
First-Order Rate Law
18. Mass #
activated complex (transition state)
# protons + # neutrons
Strong acid weak base rxn
strong acids
19. HCl - HBr - HI - HNO3 - HClO4 - H2SO4
Ligand
pent-
strong acids
Percent Yield
20. Ability of an atom in a molecule to attract shared electrons to itself
non-
Diffusion
Electronegativity
Principal Quantum Number
21. Instrument used to measure the pressure of atmospheric gas
Barometer
condensation
Molecular Compounds
hydro-ic acid
22. Different form of same element
purple
sublimation
standard solution
allotrope
23. An element with several different forms - each with different properties (i.e. graphite & diamond)
Allotrope
1atm=?mmHg/Torr
activation energy
Bronsted-Lowry Base
24. Faraday's constant
e-
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
dichromate
96500
25. Calculation from K to C
Weight
Amino-
p
C + 273
26. AX3E2
catalyst
T-shape
Percent Yield
Integrated Rate Law
27. If anion ends in -ate - acid name ends in...
s (fourth quantum number)
-ic acid
oct-
Matter
28. 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
Allotrope
voltaic cells
22.4L
Law of Multiple Proportions
29. Oxidation # of Compounds
Graham's Law
Law of Multiple Proportions
0
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
30. Horizontals on the periodic table
salt bridge
period
sulfate
Pauli Exclusion Principle
31. Mass percent
entropy
Equilibrium constant
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
g solute/g solvent x 100
32. Work = ?
s orbitals
Linear
-(P)(Change in V)
perchlorate
33. Anything occupying space and with mass
Matter
Aufbau Principle
ammonium
Solubility Product (Ksp)
34. ln[A]=-kt + ln[A]0
1st law of thermodynamics
96500
carbohydrates
Integrated First-Order Rate Law
35. Organic w/ -NH2
Atmospheric Pressure
amine
f
Surroundings
36. IMF that exists in polar molecules
Dipole-dipole forces
96500
strong acids
heat of fusion
37. Point at which vapor pressure=air pressure above
1.38x10?²³J/K
Ampere
sulfide
boiling point
38. PV=nRT
Ideal Gas Law
paramagnetic
pi=(nRT)/v
oxide gas and water
39. n+m (these are orders of reactants)
M1V1=M2V2
Overall Reaction Order
Net Ionic Equation
Limiting reactant
40. Molarity (M)
moles of solute/ L of solution
n (first quantum number)
sublimation
indicator
41. 1/[A]=kt + 1/[A]0
Ligand
Solute
Integrated Second-Order Rate Law
Principal Quantum Number
42. Variable for spin of electron (+.5 or -.5)
first
chromate
end point
s (fourth quantum number)
43. Tools NEEDED for dilution
Q>K
Reducing Agent
Formal Charge
Volume Metric Flask & Pipet
44. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)
trigonal bipyramidal
hydrolysis
carbohydrates
like
45. Carbon & hydrogen compounds
hydrocarbons
acetate
Entropy (S)
1 atm
46. ?T=k*m(solute)
Molecular
square planar
Solubility Product (Ksp)
Molal BP Elevation Constant
47. 0°C and 1 atm
STP
Diffusion
oxide gas and water
T-shape
48. pH=
tetrahedral
log[H+]
% yield
methoxy-
49. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides
boiling point
insoluble
Bond enthalpy
force x distance = work done
50. A solution used in titrations whose concentration is known
standard solution
Aufbau Principle
Cell Potential (Ecell)
moles of solute/ L of solution