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AP Chemistry

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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1. Color of Na (flame test)
yellow
tetrahedral
f
s

2. (msubs) Can only be +1/2 or -1/2
red/orange
Closed System
Limiting reactant
Electron Spin Quantum Number

3. Occupies the space above and below a sigma bond
Thermochemistry
deposition
Pi Bond
Cg=kPg

4. If heat capacity isn't mentioned - you can assume that q of cal is = ?
0
Quantum Numbers
Counterions
flouride

5. C=2.9979*10^8 m/s
AE= AH - RTAn
Theory of Relativity
Dipole-dipole forces
Speed of light

6. Wavelength symbol
lambda
red/orange
base and hydrogen gas
charge

7. Oxidation # of Halogens
f
-1
trigonal planar
Zero-Order Half Life

8. Theoretical yield-experimental yield/theoretical yieldx100
% error
oxalate
Amount of atoms present
p orbitals

9. AX4E
precipitate
seesaw
Cation
Temperature

10. (# of lone pair e-)+1/2(# of shared e-)
hydrolysis
Valence Electrons(assigned)
Molarity
complex ions

11. (organics) double-bonded compound
-al
22.4L
alkene
Magnetic Quantum Number (ml)

12. Moles of solute/volume of soln(L)
no precipitate forms
Chemical Bonds
Molarity
Pressure of H2O must be Subtracted

13. Unusually strong dipole forces found when H is bonded to N - O - or F
charge
Hydrogen bonding
single bond
Negative work value; work done by system

14. Proton donors
boiling point
Constant Pressure
Bronsted-Lowry acid
Buffer

15. IMF that occurs with FON
Hydrogen bonding
activated complex (transition state)
2nd law of thermodynamics
0

16. Anything occupying space and with mass
Matter
electron affinity
Overall Reaction Order
Aufbau Principle

17. Oxidation # of Hydrogen
+1 - except if bonded to Alkali Metal -1
Pauli Exclusion Principle
pi=(nRT)/v
Calorimetry

18. negative ion
Anion
Aufbau Principle
v3RT/M(in kg)
Integrated Rate Law

19. Where oxidation occurs
Anode
% error
square pyramidal
like

20. .69/k
1st law of thermodynamics
Q>K
alkene
First-Order Half Life

21. Atoms combine in fixed whole # ratios
are not
Molal BP Elevation Constant
charge
Law of Multiple Proportions

22. A solution that resists a change in its pH
Q<K
Its element
Isolated System
Buffered Solution

23. Half cell in which oxidation occurs
work
anode
Trigonal Planar
?Tb= kb x molality

24. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)
hydrolysis
P1V1/N1T1=P2V2/N2T2
Open System
activation energy

25. Temperature-pressure combination at which solid - liquid - and gas states appear
E
M = square root (3RT/mm)
Equivalence Point
triple point

26. Formula used when diluting stock solution (to find amount of water or stock needed)
Pi Bond
Polar Covalent
M1V1=M2V2
Law of Conservation of Mass

27. AX3
bond energy
trigonal planar
-oate
rate gas A/rate gas B = square root (mm A/ mm B)

28. R in instances that pertain to energy
8.314 J/K mol
STP
strong bases
Covalently w/in themselves - Ionicly bonded w/ each other

29. Describe various properties of one orbital
Arrhenius Base
?Hvap
Quantum Numbers
6.63x10?³4Js

30. J/°Cmol or J/Kmol
strong bases
Molar Heat Capacity
tetrahedral
vapor pressure

31. The amount of energy/heat required to raise some substance 1 degree C
surroundings
Heat Capacity (C)
CAT
Colligative properties

32. =vM2/M1
end point
methoxy-
-oate
r1/r2

33. Composition Formula
Force = mass x acceleration
Molar Mass of Element/ Total Molar Mass %
experimental yield
Molecular

34. Measure of the change in enthalpy
Oxidation is Loss Reduction is Gain
Isolated System
Delta H or Enthalpy Change
triple point

35. ClO3²?
Zero-Order Rate Law
condensation
chlorate
Counterions

36. Instrument used to measure the pressure of a not-atmospheric gas (open or closed system)
Ag+ - Pb2+ - Hg2+
Ampere
Manometer
conjugate base

37. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium
-al
group
nu
spontaneous

38. The likelihood that a rxn will occur "by itself"
anode
Radioactivity
spontaneity
LeChatelier's Principle

39. Mass reactants= mass products
6.63x10?³4Js
1.38x10?²³J/K
Balmer Series
Law of Conservation of Mass

40. Color of Ba (flame test)
green/yellow
hex-
Transition metals
oxalate

41. Instrument used to measure the pressure of atmospheric gas
Barometer
Net Ionic Equation
Heisenberg Uncertainty Principle
supercritical fluid

42. Chemical composition of dry ice
carbohydrates
solid CO2
square planar
Alpha Particles-

43. When gas expands ...
Integrated First-Order Rate Law
phosphate
Barometer
Negative work value; work done by system

44. F¹?
not spontaneous
analyte
flouride
third

45. When gas compresses ...
C=(mass)(specific heat)
Positive work value; work done on system
Graham's Law
Finding Empirical Formulas

46. PO4³?
Calorimetry
phosphate
rate law
Ampere

47. Ptotal=Pa+Pb+Pc....

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48. When n=4 ->2 - color=
blue-green
Law of Conservation of Energy
Faraday
ln (k1/k2) = (Ea/R)(1/T2-1/T1)

49. Reverse rxn occurs when
ammonium
Q>K
P1V1/N1T1=P2V2/N2T2
alcohol

50. A monoatomic cation takes name from...
no precipitate forms
oxidizing agent
Its element
Nodes

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AP Chemistry

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