SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. (A) - C/s
Ampere
freezing
g solute/g solvent x 100
Dalton's Law of Partial Pressures
2. [A]0/2k
Zero-Order Half Life
spontaneous
Ionic Compounds
permanganate
3. Negative enthalpy - heat flows into surroundings
exothermic
dec-
d orbitals
Heat
4. Idea Gas Law (actual rules)
indicator
oct-
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
# protons + # neutrons
5. A weak acid that changes color at or near the equivalence point
1/2mv²
a precipitate forms
indicator
Overall Reaction Order
6. Energy required for liquid?gas
heat of vaporization
Endothermic
Normality
n (first quantum number)
7. The chemical formed when an acid donates a proton
strong acid strong base rxn
trigonal bipyramidal
blue-violet
conjugate base
8. Half-life equation
N=N.(0.5)^time/time half-life
g solute/g solvent x 100
zero
mol Fraction
9. [A] vs. time is a ...-order reaction
zero
carbonate
van't Hoff Factor
heat of fusion
10. Proton donors
Bronsted-Lowry acid
a precipitate forms
activated complex (transition state)
carbonate
11. When gas expands ...
Anode
boiling point
Constant Pressure
Negative work value; work done by system
12. Symbol for Enthalpy
H
22.4L
double bond
Trigonal Planar
13. A given compound always has exactly the same proportion of elements by mass
oxidizing agent
E
k=Ae^(-Ea/RT)
Law of Definite Proportion
14. 760 mmHg - 760 torr
sulfate
Heat
1 atm
Oxidation is Loss Reduction is Gain
15. A measure of randomness or disorder
0.0821 atm L/mol K
Arrhenius Acid
entropy
cathode
16. Color of Na (flame test)
prop-
yellow
carbonate
Temperature
17. Change in Energy (AE) = ? (in terms of work)
1) multiply each AMU by the percentage that represents that isotopes occurrence in nature 2) then add all the AMUs together.
Alkaline earth metals
Mass
AE = q + w
18. The minimum energy that molecules must possess for collisions to be effective - Ea
sublimation
analyte
Law of Multiple Proportions
activation energy
19. Connects the 2 half cells in a voltaic cell
salt bridge
Valence Electrons(assigned)
Bases
pent-
20. Aldehyde suffix
supercritical fluid
Pauli Exclusion Principle
-al
trigonal planar
21. kf of water
P of a =(X of a)(total pressure)
1.86°C
Amino-
Enthalpy of Solution
22. (organics) seven carbons
hept-
rate gas A/rate gas B = square root (mm A/ mm B)
?Tb= kb x molality
1atm=?mmHg/Torr
23. Color of Ba (flame test)
green/yellow
Arrhenius Base
Theory of Relativity
isothermal
24. Color of Sr (flame test)
Acid Dissociation Constant
viscosity
red
iodide
25. Lowers activation energy
s
catalyst
-al
heat of fusion
26. 760mmHg/Torr
like
1atm=?mmHg/Torr
octahedral
Bond Energy
27. Horizontals on the periodic table
period
?Hvap
see-saw
l (second quantum number)
28. Consists of a complex ion - a transition metal with attached ligands - and counterions
chromate
heat capacity
-ous acid
Coordination Compound
29. The rest of the universe (in thermodynamics)
Molality
London dispersion forces
surroundings
Diffusion
30. Generally insoluble anions (names)
amine
yellow
phosphate - sulfide - carbonate - sulfate
Constant Volume
31. Energy (definition)
allotrope
force x distance = work done
standard solution
msAT
32. Ideal Gas Law Formula
activated complex (transition state)
Mass
PV=nRT
increasing
33. Significant Digits of Conversion Factors
Acid Dissociation Constant
endless
Adding
Ampere
34. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms
effects of IMF
Isotopes
LE Model
blue
35. AX3
sublimation
trigonal planar
system
triple bond
36. 96 -485 C/mol e-
Anode
Faraday
are not
Endothermic
37. Osmotic pressure formula
oct-
cathode
pi=(nRT)/v
Atmospheric Pressure
38. Peak of energy diagram
trigonal planar
activated complex (transition state)
Delta H or Enthalpy Change
Electronegativity
39. [A]=-kt + [A]0
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
Integrated Zero-Order Rate Law
Hydrogen bonding
Specific Heat (s)
40. NO3¹?
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
Joule
Colligative properties
nitrate
41. Temperature-pressure point after which gas can no longer form liquid
critical point
Integrated First-Order Rate Law
oxidation
trigonal planar
42. The reactant that is being reduced - brings about oxidation
oxidizing agent
Positive work value; work done on system
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
1atm=?Pa
43. Composition Formula
First-Order Half Life
Molar Mass of Element/ Total Molar Mass %
H
P1= X1P1°
44. (# of lone pair e-)+1/2(# of shared e-)
Valence Electrons(assigned)
Positive work value; work done on system
Polar Covalent
surroundings
45. 90°&120° - dsp^3
hydro-ic acid
Trigonal Bipyramidal
Constant Volume
Acid Dissociation Constant
46. Expresses how the concentrations depend on time
Integrated Rate Law
nu
heat capacity
deposition
47. Stronger IMF= lower... weaker IMF= higher...
vapor pressure
Calorimeter
work
Limiting reactant
48. Increase Volume
First-Order Rate Law
Temperature
carbonate
Increase Temperature
49. If anion ends in -ite - acid name ends in...
Limiting reactant
-ous acid
double bond
Quantum Model
50. Kinetic Energy per molecule
Exothermic
Pi Bond
1/2mv²
Molarity