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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. Cr2O7²?
dichromate
96500
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Cell Potential (Ecell)
2. A solution that resists a change in pH - contains both a weak acid and its conjugate base
Integrated First-Order Rate Law
Buffer
-oic acid
Arrhenius Base
3. Color of K (flame test)
1st law of thermodynamics
Molecule
purple
Integrated Second-Order Rate Law
4. When gas compresses ...
meth-
high pressure - low temperature
Positive work value; work done on system
Principal Quantum Number
5. Half-life equation
melting
Molal BP Elevation Constant
3rd law of thermodynamics
N=N.(0.5)^time/time half-life
6. Osmotic pressure=MRT
conjugate base
oxide
Bronsted-Lowry Acid
Osmotic Pressure
7. Energy (definition)
electrolyte
double bond
force x distance = work done
msAT
8. Verticals on the periodic table
group
Cation
Zero-Order Half Life
blue-violet
9. negative ion
Anion
hept-
blue
trigonal bipyramidal
10. Solid to gas
Strong acid weak base rxn
Ag+ - Pb2+ - Hg2+
sublimation
specific heat
11. F¹?
isothermal
Chemical Bonds
flouride
q
12. 0°C and 1 atm
Its root and adding -ide
STP
condensation
Alkali metals
13. Gain of electrons - decrease in oxidation #
reduction
Limiting reactant
violet
solid CO2
14. l=2
d
yellow --> green
Enthalpy of Solution
Ionic
15. SO3²?
n0
Anode
sulfite
blue-green
16. STP
Molecular
0 degrees C - 1 atm
cathode
Ideal Gas Law
17. Boiling point elevation formula
t-shape
trigonal planar
Reaction Quotient (Q)
?Tb= kb x molality
18. 2 or more covalently bonded atoms
Temperature
Delta H or Enthalpy Change
are
Molecule
19. Amount of gravitational force exerted on an object
Weight
Isolated System
Magnetic Quantum Number (ml)
salt bridge
20. SI unit of energy; Kg*m^2/s^2
Joule
zero
% error
boiling point
21. AX2E - AX2E2
Equilibrium Expression
bent
Molar Mass of Element/ Total Molar Mass %
Root Mean Square Velocity
22. For significant digits - leading zeros ____ significant
trigonal planar
Arrhenius base
are not
Metalliods
23. Energy needed to break a bond
8.314 J/K mol
Arrhenius Acid
Limiting reactant
bond energy
24. ClO4¹?
Bond Order
perchlorate
Quantum Numbers
0.512°C
25. A solution used in titrations whose concentration is known
Trigonal Bipyramidal
Reaction Quotient (Q)
insoluble
standard solution
26. Change in Energy = ? (in terms of constant pressure; for gasses)
viscosity
AE= AH - RTAn
hex-
exothermic
27. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities
Percent Yield
diamagnetic
Boltzmann distribution
Ionic
28. Electron (symbol)
soluble
0
e-
reduction agent
29. The entropy of a pure perfectly formed crystal @0K is 0
oxidizing agent
adiabatic
3rd law of thermodynamics
allotrope
30. Ester suffix
Law of Multiple Proportions
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
-oate
force x distance = work done
31. Ionizes to produce H+ ions
Gamma Ray-
Ideal Gas Law
X of a = moles a/total moles
Arrhenius Acid
32. Raising heat - adding catalyst - heighten concentration - bigger surface area
Calorimeter
Beta Particles-
Standard Temperature and Pressure
methods of increasing rate
33. If Q<Ksp
no precipitate forms
Arrhenius base
Molecular Compounds
moles of solute/ L of solution
34. Formula used when diluting stock solution (to find amount of water or stock needed)
M1V1=M2V2
endothermic
heat capacity
Law of Conservation of Energy
35. Substances that form H+ when dissolved in water; proton donors
Mass
Ligand
Acids
Temperature
36. Color of Ca (flame test)
Enthalpy of Solution
red/orange
Oxidizing Agent
-2 - with peroxide -1
37. Significant Digits of Conversion Factors
Lone Pair
Faraday
hex-
endless
38. Pressure Units/Conversions
chlorite
force x distance = work done
1 atm = 760 mmHg = 101.3 kPa
insoluble
39. Mol/L - concentration of a solution
Hydrogen bonding
Molarity
0
double bond
40. 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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41. If heat capacity isn't mentioned - you can assume that q of cal is = ?
soluble
Molecule
Nodes
0
42. In a given atom no two electrons can have the same set of four quantum numbers
Pauli Exclusion Principle
Density
violet
Chemical Bonds
43. Speed per molecule of gas
salt bridge
Balmer Series
Theoretical yield
v3kT/m
44. Like dissolves...
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
3.0x108m/s
Electron Spin Quantum Number
like
45. If anion ends in -ite - acid name ends in...
-ous acid
heat of vaporization
Weight
Its element
46. Substance that - when dissolved - is conductive
heat capacity
electrolyte
Le Chatelier's Principle
Polar Covalent
47. Mass percent
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
indicator
g solute/g solvent x 100
Buffered Solution
48. I¹?
iodide
X of a = moles a/total moles
Kinetic Molecular Theory - for ideal gases
are
49. Increase Pressure
% yield
Decrease Volume and Increase Temperature
Alkaline earth metals
Bronsted-Lowry Acid
50. R=
Solute
bond energy
square pyramidal
8.31J/Kmol