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Test your basic knowledge |
AP Chemistry
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Study First
Subjects
:
science
,
ap
,
chemistry
Instructions:
Answer 50 questions in 15 minutes.
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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. Determined by the formula h/m(in kg)v - (v=velocity)
Cell Potential (Ecell)
# protons + # neutrons
Volt
wavelength
2. Type of system in which nothing is transfered (no mass or energy); ideal
Isolated System
T-shape
-al
sulfate
3. Organic w/ -NH2
nu
Formal Charge
22.4L
amine
4. Within a sublevel - place one e? per orbital before pairing them
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5. Speed of Diffusion/Effusion formula
Ionic Compounds
Molarity
Lone Pair
rate gas A/rate gas B = square root (mm A/ mm B)
6. Substance that - when dissolved - is conductive
boiling point
(moles of products that are gasses) - (moles of reactants that are gasses)
electrolyte
0.0826Latm/Kmol
7. Calculation from K to C
q
triple bond
C + 273
Acid + Base --> Salt + Water
8. AX4E
seesaw
bent
actual yield/theoretical yield x 100%
diamagnetic
9. The reactant in the reduction reaction that forces the oxidation reaction to occur
3/2RT
Oxidizing Agent
4.184
Polar Covalent
10. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...
+1 - except if bonded to Alkali Metal -1
acid
complex ions
Gamma Ray-
11. Mols A/ total mols - XA
Arrhenius acid
oxalate
mol Fraction
electron affinity
12. NH4¹?
ammonium
Ionic Compounds
Average KE = 1/2(mass)(average speed of all particles)
Molecule
13. Half cell in which reduction occurs
blue
rate
Hess's Law
cathode
14. Connects the 2 half cells in a voltaic cell
salt bridge
Effusion
Dipole Moment
perchlorate
15. A monoatomic anion is named by taking...
Molality
l (second quantum number)
Cell Potential (Ecell)
Its root and adding -ide
16. Oxidation # of Oxygen
entropy
Finding Empirical Formulas
Zero-Order Rate Law
-2 - with peroxide -1
17. MnO4¹?
permanganate
surroundings
Colligative properties
Endothermic
18. Melting
Delta H or Enthalpy Change
fusion
activation energy
trigonal pyramidal
19. ClO4¹?
-oate
perchlorate
square planar
red
20. Aldehyde suffix
Octahedral
Pauli Exclusion Principle
-al
0
21. Energy involved in gaining an electron to become a negative ion
n0
third
electron affinity
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
22. Molarity (M)
purple
adhesion
moles of solute/ L of solution
System
23. Organic w/ -OH group
-ol
analyte
Quantum Numbers
alcohol
24. Different form of same element
Open System
Arrhenius Base
allotrope
sulfide
25. Speed of light - C
triple point
3.0x108m/s
Acid + Base --> Salt + Water
p orbitals
26. 1 sigma bond - 1 pi bond
square pyramidal
base
solid CO2
double bond
27. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows
Resonance
Thermochemistry
chlorate
Arrhenius Acid
28. When gas compresses ...
8.314 J/K mol
1st law of thermodynamics
spontaneity
Positive work value; work done on system
29. Change that occurs at constant temperature
Law of Multiple Proportions
Molal BP Elevation Constant
% yield
isothermal
30. (organics) six carbons
hex-
Integrated First-Order Rate Law
bent
0 degrees C - 1 atm
31. 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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32. The transfer of energy between two objects due to temperature difference
Heat
ether
Constant Pressure
spontaneous
33. n+m (these are orders of reactants)
Overall Reaction Order
Molality
Law of Multiple Proportions
Molal BP Elevation Constant
34. 0°C and 1 atm
boiling point
-(q of H2O + q of cal)
Atmospheric Pressure
STP
35. Type of system in which the energy may escape - but the mass is conserved
meth-
Quantum Model
Closed System
5% rule
36. Expresses how the concentrations depend on time
Integrated Rate Law
Percent Yield
supercritical fluid
blue-green
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
Beta Particles-
Bond Energy
Cathode
38. A monoatomic cation takes name from...
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
Its element
different # of neutrons
Bond Energy
39. Spectrum of light when an electron drops to energy level n=2
Balmer Series
LeChatelier's Principle
Anion
Standard Temperature and Pressure
40. 6.022x10^23
iodide
Arrhenius acid
blue-green
mol
41. Force per unit area
Law of Definite Proportion
Pressure
C + 273
m (third quantum number)
42. 760mmHg/Torr
Law of Conservation of Energy
1atm=?mmHg/Torr
A Roman numeral
t-shape
43. Symbol for the heat absorbed or lost molecularly (PER MOLE)
Work
Law of Conservation of Mass
Chemical Kinetics
AH
44. All cations are soluble with bromide - chloride and iodide EXCEPT
are
0.0821 atm L/mol K
moles solute/kg solvent
Ag+ - Pb2+ - Hg2+
45. An element with several different forms - each with different properties (i.e. graphite & diamond)
Principal Quantum Number
Allotrope
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
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
46. Group 1 and heavier Group 2 bases
Law of Conservation of Mass
Graham's Law
strong bases
Theory of Relativity
47. Horizontals on the periodic table
Aufbau Principle
-ous acid
period
Atomic Mass Unit
48. negative ion
Anion
Barometer
carbohydrates
Cathode
49. ?T=k*m(solute)
-(P)(Change in V)
Angular Momentum Quantum Number
Molal FP Depression Constant
single bond
50. AX2 - AX2E3
Temperature
Quantum Numbers
linear
Electronegativity
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