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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. Specific heat of water
cathode
4.184
Metalliods
experimental yield
2. As protons are added to the nucleus - electrons are similarly added
Strong acid weak base rxn
heat of vaporization
Dipole-dipole forces
Aufbau Principle
3. The transfer of energy between two objects due to temperature difference
Strong acid weak base rxn
Amino-
1 atm = 760 mmHg = 101.3 kPa
Heat
4. Combined Gas Law Formula
vaporization
mol
P1V1/N1T1=P2V2/N2T2
yellow
5. Mixing of gases
Diffusion
Resonance
Angular Momentum Quantum Number
spontaneous
6. HCl - HBr - HI - HNO3 - HClO4 - H2SO4
deposition
strong acids
reduction
Chemical Kinetics
7. A device in which chemical energy is changed to electrical energy
Galvanic Cell
Molarity
N=N.(0.5)^time/time half-life
2nd law of thermodynamics
8. AX3E2
22.4L
t-shape
n (first quantum number)
strong acids
9. When n=4 ->2 - color=
1atm=?mmHg/Torr
Molal BP Elevation Constant
blue-green
indicator
10. OIL RIG
London Dispersion Forces
Oxidation is Loss Reduction is Gain
bromate
d
11. l=2
Cg=kPg
s orbitals
rate gas A/rate gas B = square root (mm A/ mm B)
d
12. Reverse rxn occurs when
g solute/g solvent x 100
Nernst Equation
Constant Pressure
Q>K
13. Energy (definition)
force x distance = work done
% error
p
Pi Bond
14. neutron (symbol)
n0
0.0826Latm/Kmol
Force = mass x acceleration
hydroxide
15. HF+ OH??H2O
Standard Temperature and Pressure
Dalton's Law of Partial Pressures
weak acid strong base rxn
Atmospheric Pressure
16. C2O4²?
Hund's Rule
Atmospheric Pressure
oxalate
hydro-ic acid
17. R in ideal gas law
-2 - with peroxide -1
0.0821 atm L/mol K
Monoprotic
increasing
18. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms
amine
Bronsted-Lowry base
rate
LE Model
19. When gas expands ...
Negative work value; work done by system
Open System
iodide
Reaction Quotient (Q)
20. Function in which it doesn't matter HOW the changes take place - only that they do; you can use to formula Final - Initial ( i.e. energy - pressure - volume - temperature - sort of moles)
N=N.(0.5)^time/time half-life
heat of fusion
blue-green
State Functions
21. ?H when 1 mol of bonds is broken in the gaseous state
Entropy (S)
linear
Bond enthalpy
Enthalpy of Solution
22. Where reduction occurs
Kinetic Molecular Theory - for ideal gases
0.0821 atm L/mol K
spontaneous
Cathode
23. H + donor
Temperature
Molality
Bronsted-Lowry Acid
freezing
24. Mass/volume
flouride
dec-
Density
P of a =(X of a)(total pressure)
25. Faraday's constant
96500
g solute/g solvent x 100
1.38x10?²³J/K
Molal FP Depression Constant
26. Oxidation # of Compounds
l (second quantum number)
viscosity
0
1atm=?Pa
27. In a titration - the point where the indicator changes (just after moles of solid are equal to moles of base)
STP
are not
Antibonding Molecular Orbital
End Point
28. Molecules' tendency to stick to one another
Arrhenius equation
0.512°C
Surroundings
cohesion
29. Chemical composition of dry ice
solid CO2
Oxidation is Loss Reduction is Gain
Reducing Agent
endothermic
30. The reactant in the reduction reaction that forces the oxidation reaction to occur
Oxidizing Agent
s
entropy
hex-
31. A solution that resists a change in its pH
Buffered Solution
alkane
N=N.(0.5)^time/time half-life
Hund's Rule
32. kb of water
melting point
Gamma Ray-
0.512°C
1 atm
33. C=2.9979*10^8 m/s
Speed of light
Law of Conservation of Energy
r1/r2
Molarity
34. The measurement of heat changes
Calorimetry
Volume Metric Flask & Pipet
rate gas A/rate gas B = square root (mm A/ mm B)
Density
35. (N) number of equivalents per liter of solution
Gamma Ray-
Transition metals
Normality
Manometer
36. Colors of Reaction when (MnO4 -) --> (Mn2+)
purple --> pink
Alkaline earth metals
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
Barometer
37. How to Find a Weighted Average
nu
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
oxidation
Buffered Solution
38. The actual amount of product produced in an experiment
PV=nRT
octahedral
experimental yield
Hund's Rule
39. Amount of heat needed to change a system by 1°C
precipitate
5% rule
g solute/g solvent x 100
heat capacity
40. A single substance that may be an acid or a base (i.e. water)
Decrease Volume and Increase Temperature
Amphoteric
Acids
Lone Pair
41. Mol/L - concentration of a solution
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
Isotopes
Molarity
Atmospheric Pressure
42. Speed of light - C
Dalton's Law of Partial Pressures
Antibonding Molecular Orbital
3.0x108m/s
oxidizing agent
43. Mol of solute/kg of solvent
Naming Binary Ionic Compounds
Molality
Molar Mass of Element/ Total Molar Mass %
Surroundings
44. Occupies the space above and below a sigma bond
Net Ionic Equation
Magnetic Quantum Number (ml)
q/moles
Pi Bond
45. Anions or cations as needed to produce a compound with non net charge
-ous acid
deposition
Acids
Counterions
46. Experimental yield/theoretical yieldx100
% yield
hydro-ic acid
Heisenberg Uncertainty Principle
oxidation
47. Weakest IMFs - found in all molecules
red
Amount of atoms present
London dispersion forces
-oate
48. Increase Volume
end point
Pi Bond
Increase Temperature
t-shape
49. Mole Fraction
Amino-
M = square root (3RT/mm)
Amount of atoms present
X of a = moles a/total moles
50. An equilibrium expression
k=Ae^(-Ea/RT)
p+
Solubility Product (Ksp)
Pressure