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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. Change in Energy (AE) = ? (in terms of work)
State Functions
AE = q + w
Pi Bond
London Dispersion Forces
2. Molecules' tendency to stick to the container
nitrate
adhesion
phosphate - sulfide - carbonate - sulfate
Density
3. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium
like
Calorimeter
spontaneous
Work
4. If needed - indicate charge of metal(cation) by...
A Roman numeral
Second-Order Half Life
pi=(nRT)/v
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
5. A monoatomic anion is named by taking...
Its root and adding -ide
hex-
chloride
phosphate
6. An equilibrium expression
but-
Molal FP Depression Constant
Standard Temperature and Pressure
Solubility Product (Ksp)
7. Group 2 metals
Alkaline earth metals
hydro-ic acid
solid CO2
Closed System
8. AX3E2
t-shape
M = square root (3RT/mm)
blue-green
Heat
9. The reactant that is being reduced - brings about oxidation
Trigonal Planar
oxide gas and water
oxidizing agent
heat of vaporization
10. l=2
dec-
Isotopes
d
phosphate - sulfide - carbonate - sulfate
11. In covalent bonds - prefixes are used to tell...
Amount of atoms present
specific heat
red
fusion
12. (organics) ten carbons
indicator
blue-violet
Chemical Bonds
dec-
13. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas
Cg=kPg
Solution
force x distance = work done
% yield
14. 96 -485 C/mol e-
rate gas A/rate gas B = square root (mm A/ mm B)
hept-
moles solute/kg solvent
Faraday
15. Electron (symbol)
Weight
bond energy
e-
carbonate
16. OH¹?
Pauli Exclusion Principle
hydroxide
entropy
oct-
17. #NAME?
E
Joule
Solvent
purple
18. Type of system in which nothing is transfered (no mass or energy); ideal
Isolated System
Faraday
First-Order Rate Law
strong acids
19. Work = ?
0
-(P)(Change in V)
Dalton's Law
insoluble
20. Heat required to raise the system 1°C
C=(mass)(specific heat)
heat capacity
hex-
group
21. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows
Resonance
Adding
Molal BP Elevation Constant
Molecule
22. Elements in groups 3-12
Transition metals
Chemical Bonds
?Hvap
Bond enthalpy
23. In a given atom no two electrons can have the same set of four quantum numbers
Pauli Exclusion Principle
London dispersion forces
0.512°C
P of a =(X of a)(total pressure)
24. 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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25. 1/([A]0*k)
Second-Order Half Life
sulfate
conjugate acid
Equilibrium Expression
26. 101 -325 Pa
1atm=?Pa
trigonal pyramidal
square pyramidal
s
27. These orbitals are perpendicular
0
Enthalpy of Solution
v3kT/m
p orbitals
28. E=mc^2
1 atm = 760 mmHg = 101.3 kPa
permanganate
First-Order Half Life
Theory of Relativity
29. Two molecules with identical connectivity but different geometries
geometric isomers
Temperature
Ag+ - Pb2+ - Hg2+
rate
30. C=2.9979*10^8 m/s
Ampere
base
Speed of light
titrant buret
31. Different form of same element
Aufbau Principle
heat capacity
allotrope
methods of increasing rate
32. Significant Digits of counted things
Integrated Rate Law
endless
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
msAT
33. The chemical formed when an acid donates a proton
Arrhenius base
Ligand
Delta H or Enthalpy Change
conjugate base
34. Amine prefix
Heat Capacity (C)
Amino-
meth-
square pyramidal
35. A solution used in titrations whose concentration is known
Antibonding Molecular Orbital
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
diamagnetic
standard solution
36. 1.Calculate moles of each atom in molecule 2.Divide each mole number by smallest mole number 3.If necessary - multiply every mole number to get a whole number 4.Moles of each atom is subscript in empirical formula
Volume Metric Flask & Pipet
prop-
-1
Finding Empirical Formulas
37. All _________ compounds are electrolytes
conjugate acid
Ionic
endothermic
isothermal
38. AX3E2
T-shape
Aufbau Principle
soluble
Net Ionic Equation
39. Kinetic Energy per mol
Van't Hoff factor
Coordination Compound
3/2RT
endothermic
40. A given compound always has exactly the same proportion of elements by mass
weak acid strong base rxn
Law of Definite Proportion
First-Order Half Life
Zero-Order Rate Law
41. Happens at lines in phase change charts
boiling point
Theory of Relativity
Linear
equilibrium
42. In ideal gas law problem - when it says "atmospheric" ...
rate
octahedral
Pressure of H2O must be Subtracted
activation energy
43. Anything occupying space and with mass
0 degrees C - 1 atm
Ligand
Its element
Matter
44. Force acting over distance
Open System
Work
trigonal pyramidal
chromate
45. The total energy of the universe is constant - all systems tend towards minimum energy
bent
third
1st law of thermodynamics
0
46. neutron (symbol)
n0
are
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
green/yellow
47. Electrons in a hydrogen atom move around the nucleus only in circular orbits
Molecular Orbitals (MOs)
Quantum Model
Octahedral
red
48. The chemical formed when a base accepts a proton
dichromate
conjugate acid
condensation
Integrated Rate Law
49. Colors of Reaction when (MnO4 -) --> (Mn2+)
Barometer
Law of Conservation of Energy
-one
purple --> pink
50. Substances that form H+ when dissolved in water; proton donors
Metalliods
PV=nRT
Acids
solid CO2