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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. Cl¹?
Hydrogen bonding
Quantum Numbers
E
chloride
2. [A]=-kt + [A]0
salt bridge
Integrated Zero-Order Rate Law
Bronsted-Lowry Acid
Beta Particles-
3. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)
diamagnetic
activation energy
Reducing Agent
hydrolysis
4. F¹?
A Roman numeral
hydroxide
Pressure of H2O must be Subtracted
flouride
5. Type of system in which the energy may escape - but the mass is conserved
AE= AH - RTAn
Closed System
Kinetic Molecular Theory - for ideal gases
single bond
6. We cannot simultaneously determine an atom's exact path or location
Heisenberg Uncertainty Principle
phosphate - sulfide - carbonate - sulfate
Density
Positive work value; work done on system
7. Mol/L - concentration of a solution
X of a = moles a/total moles
see-saw
pent-
Molarity
8. Change in Energy = ? (in terms of constant pressure; for gasses)
meth-
System
AE= AH - RTAn
Molar Heat Capacity
9. H?+NH3?NH4
Faraday
Strong acid weak base rxn
Lone Pair
End Point
10. MnO4¹?
permanganate
Acid Dissociation Constant
q
non-
11. Carbon - hydrogen - oxygen compounds
ionic
Oxidation is Loss Reduction is Gain
carbohydrates
Overall Reaction Order
12. A neutral molecule/ion having a lone e- pair that can be used to form a bond to a metal ion
chromate
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
T-shape
Ligand
13. Ecell= E°cell -RT/nF x lnQ
Nernst Equation
4.184
-ic acid
titrant buret
14. Organic w/ -O-
Molarity
purple
PEACe 1)each molecule is a Point in space 2)Elastic collisions 3) no force of Attraction 4) no energy lost or gained to Collisions
ether
15. Work = ?
v3RT/M(in kg)
Equivalence Point
entropy (S)
-(P)(Change in V)
16. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium
boiling point
Reaction Quotient (Q)
not spontaneous
red/orange
17. n+m (these are orders of reactants)
End Point
square planar
endless
Overall Reaction Order
18. Group 1 metals
Alkali metals
Second-Order Rate Law
Specific Heat (s)
# protons + # neutrons
19. A solution used in titrations whose concentration is known
Cathode
standard solution
Hydrogen bonding
actual yield/theoretical yield x 100%
20. Variable for type of orbital
l (second quantum number)
Molality
Negative work value; work done by system
ether
21. What is defined by you taken from the whole universe
seesaw
System
Exothermic
phosphate - sulfide - carbonate - sulfate
22. q rxn = ?
Oxidation is Loss Reduction is Gain
Molecular
strong acids
-(q of H2O + q of cal)
23. If anion ends in -ide - acid name ends in
Overall Reaction Order
see-saw
hydro-ic acid
octahedral
24. Aldehyde suffix
0
cohesion
N=N.(0.5)^time/time half-life
-al
25. Variable for energy of e- - goes from 1 -2 -3 on up
entropy
Constant Volume
Atmospheric Pressure
n (first quantum number)
26. Melting
equilibrium
indicator
Pressure
fusion
27. Organic w/ -NH2
Resonance
Coordination Compound
amine
Delta H or Enthalpy Change
28. Molality =
moles solute/kg solvent
not spontaneous
Molality
yellow --> green
29. Instrument used to measure the pressure of atmospheric gas
Barometer
rate
iodide
prop-
30. Elements which have all electrons paired and relatively unaffected by magnetic fields
Standard Temperature and Pressure
diamagnetic
0
analyte
31. Temperature-pressure combination at which solid - liquid - and gas states appear
Molar Mass of Element/ Total Molar Mass %
triple point
Percent Yield
Constant Pressure
32. l=3
f
Hydrogen bonding
conjugate acid
3rd law of thermodynamics
33. A measure of resistance of an object to a change in its state of motion
Mass
alcohol
octahedral
% error
34. (organics) eight carbons
London dispersion forces
soluble
acetate
oct-
35. l=0
s
-2 - with peroxide -1
cyanide
AH
36. When n=6 ->2 - color=
reduction
paramagnetic
violet
Aufbau Principle
37. How to Find an Empirical Formula Given Grams
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
period
moles of solute/ L of solution
+1 - except if bonded to Alkali Metal -1
38. High-energy light
Matter
paramagnetic
Ionic Compounds
Gamma Ray-
39. Significant Digits of Conversion Factors
endless
22.4L
Lone Pair
van't Hoff Factor
40. If a change is imposed on a system at equilibrium - the position of the equilibrium will shift in a direction that tends to reduce that change
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41. Similar to atomic orbitals - except between molecules
k=Ae^(-Ea/RT)
Molecular Orbitals (MOs)
Theory of Relativity
electrolyte
42. 120° - sp^2
Trigonal Planar
oct-
Equilibrium constant
d
43. Within a sublevel - place one e? per orbital before pairing them
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44. 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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45. IMF that exists in polar molecules
nitrite
Open System
Nernst Equation
Dipole-dipole forces
46. Verticals on the periodic table
group
Equilibrium constant
Integrated Zero-Order Rate Law
8.31J/Kmol
47. S²?
sublimation
sulfide
Equilibrium constant
anode
48. Chemical composition of dry ice
solid CO2
Constant Pressure
triple bond
0
49. For significant digits - leading zeros ____ significant
Equilibrium constant
0.512°C
Alpha Particles-
are not
50. Atoms combine in fixed whole # ratios
purple
red
Law of Multiple Proportions
Balmer Series