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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.
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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. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides
soluble
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
Percent Yield
Cg=kPg
2. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)
Molecular Compounds
g solute/g solvent x 100
seesaw
charge
3. neutron (symbol)
l (second quantum number)
Dipole Moment
Work
n0
4. AX5
Density
sublimation
work
trigonal bipyramidal
5. Ptotal=P1+P2+P3+...
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6. Unit of electrical potential; J/C
spontaneous
Volt
Alkaline earth metals
base
7. The mixing of native atomic orbitals to form special orbitals for bonding
Molecular Orbitals (MOs)
Hybridization
condensation
Ideal Gas Law
8. AX3E
trigonal pyramidal
electron affinity
rate gas A/rate gas B = square root (mm A/ mm B)
d orbitals
9. #NAME?
E
but-
Second-Order Half Life
entropy (S)
10. 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)
State Functions
Weight
Dalton's Law
conjugate acid
11. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium
Force = mass x acceleration
rate
Closed System
bromate
12. For colligative properties for electrolytes - the # of mols of ions/ mols of solute
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13. The actual amount of product produced in an experiment
ionic
Sigma Bond
Mass
experimental yield
14. Molality =
oct-
5% rule
q/moles
moles solute/kg solvent
15. The entropy of a pure perfectly formed crystal @0K is 0
eth-
3rd law of thermodynamics
Molecular Compounds
# protons + # neutrons
16. A measure of resistance of an object to a change in its state of motion
Mass
sublimation
Heisenberg Uncertainty Principle
Matter
17. Metal oxide + H20 ->
Coordination Compound
0.0826Latm/Kmol
Matter
base
18. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)
third
condensation
charge
hydrolysis
19. Energy needed to vaporize a mole of a liquid
?Hvap
hex-
adiabatic
H
20. The minimum energy that molecules must possess for collisions to be effective - Ea
Weight
activation energy
sulfide
1 atm
21. Reverse rxn occurs when
Hund's Rule
spontaneous
Q>K
salt bridge
22. How to Find a Weighted Average
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
fusion
8.31J/Kmol
complex ions
23. AX6
permanent gases
octahedral
s
Aufbau Principle
24. Generally insoluble anions (names)
Coordination Compound
pi=(nRT)/v
phosphate - sulfide - carbonate - sulfate
spontaneous
25. SI unit of energy; Kg*m^2/s^2
96500
n0
Joule
geometric isomers
26. Osmotic pressure=MRT
Osmotic Pressure
0.512°C
P1V1/N1T1=P2V2/N2T2
Graham's Law
27. Electron (symbol)
Cathode
msAT
e-
Volume Metric Flask & Pipet
28. The reactant in the reduction reaction that forces the oxidation reaction to occur
q
Oxidizing Agent
Anode
Transition metals
29. q cal = ?
CAT
Cation
boiling point
Matter
30. ?H when 1 mol of bonds is broken in the gaseous state
-(q of H2O + q of cal)
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Bond enthalpy
Electronegativity
31. Heat needed to change 1 g of substance to 1°C
Decrease Volume and Increase Temperature
specific heat
8.31J/Kmol
carbohydrates
32. O²?
square planar
oxide
Temperature
6.63x10?³4Js
33. Color of Li (flame test)
Naming Binary Ionic Compounds
Diffusion
amine
red
34. Group 1 metals
seesaw
Alkali metals
blue-violet
0
35. Studies the rate at which a chemical process occurs and sheds light on its reaction mechanism
Chemical Kinetics
First-Order Half Life
0.0826Latm/Kmol
diamagnetic
36. 1/[A] vs. time is a ...-order reaction
second
complex ions
Temperature
Its root and adding -ide
37. Polyatomic Ions (bonding)
Constant Volume
Covalently w/in themselves - Ionicly bonded w/ each other
Electronegativity
Exothermic
38. C2H3O2¹?
chromate
acetate
AE= AH - RTAn
Cg=kPg
39. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium
Heat Capacity (C)
Molecular Compounds
Molality
not spontaneous
40. OH¹?
% yield
hydroxide
dichromate
linear
41. Spontaneous emission of radiation
Angular Momentum Quantum Number
Bronsted-Lowry Base
melting point
Radioactivity
42. Substances above the critical temperature and pressure in which the pressure is so high that density and flowing ability of a "gas" resembles that of a liquid
Molality
supercritical fluid
Ag+ - Pb2+ - Hg2+
Constant Volume
43. Cr2O7²?
Quantum Mechanical Model
Trigonal Planar
dichromate
C + 273
44. Wavelength symbol
lambda
Theory of Relativity
Naming Binary Ionic Compounds
flouride
45. Kinetic Energy of an individual particle formula
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
M = square root (3RT/mm)
octahedral
Osmotic Pressure
46. If Q>Ksp
Amount of atoms present
?Tf= kf x molality
a precipitate forms
sulfite
47. Like dissolves...
Antibonding Molecular Orbital
chlorate
phosphate
like
48. Coffee Cup Calorimeter
r1/r2
CAT
Constant Pressure
Hund's Rule
49. Determined by the formula h/m(in kg)v - (v=velocity)
Kinetic Molecular Theory - for ideal gases
wavelength
Galvanic Cell
Anion
50. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells
voltaic cells
+1 - except if bonded to Alkali Metal -1
p+
LE Model
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