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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. Force per unit area
Exothermic
Molar Mass of Element/ Total Molar Mass %
Pressure
Dalton's Law of Partial Pressures
2. The actual amount of product produced in an experiment
reduction agent
trigonal planar
P1V1/N1T1=P2V2/N2T2
experimental yield
3. 2 or more covalently bonded atoms
-ous acid
base
methods of increasing rate
Molecule
4. 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
strong bases
supercritical fluid
Chemical Bonds
entropy
5. Kinetic Energy per molecule
bromate
1/2mv²
Open System
entropy
6. (A) - C/s
fusion
Dipole-dipole forces
Ampere
different # of neutrons
7. Half-life equation
Surroundings
not spontaneous
N=N.(0.5)^time/time half-life
Acid + Base --> Salt + Water
8. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides
trigonal bipyramidal
permanganate
Theoretical yield
insoluble
9. Force that holds atoms together
First-Order Rate Law
Chemical Bonds
v3kT/m
rate
10. ... compounds are most conductive
ionic
Overall Reaction Order
AE = q + w
electrolyte
11. A weak acid that changes color at or near the equivalence point
(moles of products that are gasses) - (moles of reactants that are gasses)
Ionic Compounds
indicator
Molal BP Elevation Constant
12. In going from a particular set of reactants to a particular set of products - the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps
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13. F¹?
Dipole Moment
LE Model
Solute
flouride
14. 760mmHg/Torr
(moles of products that are gasses) - (moles of reactants that are gasses)
+1 - except if bonded to Alkali Metal -1
1atm=?mmHg/Torr
permanent gases
15. Substance being dissolved in a solution (lower [ ])
a precipitate forms
Solute
oct-
equilibrium
16. Change in Energy = ? (in terms of constant pressure; for gasses)
Oxidation is Loss Reduction is Gain
AE= AH - RTAn
Theoretical yield
insoluble
17. Effusion of a gas is inversely proportional to the square root of the molar mass
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18. [A]=-kt + [A]0
Normality
Le Chatelier's Principle
sublimation
Integrated Zero-Order Rate Law
19. All _________ compounds are electrolytes
q
Ionic
dec-
Endothermic
20. NO2¹?
Hund's Rule
nitrite
6.63x10?³4Js
hept-
21. STP
hydrolysis
0 degrees C - 1 atm
P1= X1P1°
Volume Metric Flask & Pipet
22. 180° - sp
Linear
Bond Energy
soluble
allotrope
23. SO4²?
sulfate
lambda
1atm=?Pa
strong acid strong base rxn
24. For significant digits - trailing zeros _____ significant
Heat Capacity (C)
are
AE = q + w
s (fourth quantum number)
25. Heat capacity formula
Matter
C=(mass)(specific heat)
Solubility Product (Ksp)
Alkaline earth metals
26. Vapor pressure lowering - boiling point elevation - freezing point depression - osmotic pressure
q/moles
Ligand
Colligative properties
Solubility Product (Ksp)
27. Color of Ca (flame test)
weak acid strong base rxn
red/orange
Reducing Agent
Molecular Orbitals (MOs)
28. #NAME?
phosphate - sulfide - carbonate - sulfate
8.31J/Kmol
E
weak acid strong base rxn
29. Mass percent
0
g solute/g solvent x 100
heat capacity
weak acid strong base rxn
30. The chemical formed when an acid donates a proton
sublimation
conjugate base
p orbitals
Strong acid weak base rxn
31. Pairs of electrons localized on an atom
base
Molar Heat Capacity
Effusion
Lone Pair
32. 109.5° - sp^3
not spontaneous
Entropy (S)
Tetrahedral
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
33. Carboxylic acid ending
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
-oic acid
Molarity
v3kT/m
34. The driving force for a spontaneous is an increase in entropy of the universe
moles solute/kg solvent
Entropy (S)
melting
n (first quantum number)
35. (organics) nine carbons
non-
cyanide
but-
London Dispersion Forces
36. n+m (these are orders of reactants)
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
prop-
sublimation
Overall Reaction Order
37. If a system @equilibrium is stressed - the system will shift so as to reestablish equilibrium
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38. Does the same as equilibrium expression - except it uses initial concentrations
Reaction Quotient (Q)
Alkaline earth metals
96500
Speed of light
39. ClO2¹?
Acid + Base --> Salt + Water
l (second quantum number)
chlorite
-1
40. Ka=[products]^m/[reactants]^n
Acid Dissociation Constant
charge
sulfite
heat of fusion
41. [A] vs. time is a ...-order reaction
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
Its root and adding -ide
zero
Chemical Bonds
42. Amount of product produced when limiting reactant is used up
Calorimeter
Theoretical yield
1/2mv²
Octahedral
43. Moles of solute/volume of soln(L)
sulfite
Molarity
melting
strong acid strong base rxn
44. Oxidation # of Ions
1.86°C
msAT
P of a =(X of a)(total pressure)
charge
45. A homogeneous mixture with 1 phase
trigonal pyramidal
Solution
bent
Bond enthalpy
46. Group 2 metals
Alkaline earth metals
C + 273
flouride
Manometer
47. AX3E
trigonal pyramidal
T-shape
Acid + Base --> Salt + Water
Arrhenius Base
48. Passage of gas through tiny orifice
First-Order Half Life
Effusion
Tetrahedral
6.63x10?³4Js
49. (organics) eight carbons
exothermic
lambda
oct-
cathode
50. In a given atom no two electrons can have the same set of four quantum numbers
Pauli Exclusion Principle
Graham's Law
different # of neutrons
Allotrope
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