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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. Different form of same element
allotrope
Density
base
strong acids
2. Negative enthalpy - heat flows into surroundings
exothermic
insoluble
supercritical fluid
Closed System
3. Osmotic pressure=MRT
blue
Osmotic Pressure
oxide gas and water
Zero-Order Half Life
4. Thickness
Molal BP Elevation Constant
sulfate
viscosity
group
5. Ability of an atom in a molecule to attract shared electrons to itself
Negative work value; work done by system
ln (k1/k2) = (Ea/R)(1/T2-1/T1)
diamagnetic
Electronegativity
6. Where oxidation occurs
H2 - F2 - N2 - O2 - Cl2 - Br2 - I2
Anode
P1V1/N1T1=P2V2/N2T2
reduction agent
7. PO4³?
q
C + 273
phosphate
Naming Binary Ionic Compounds
8. Energy required for liquid?gas
Enthalpy of Solution
Formal Charge
Hydrogen bonding
heat of vaporization
9. Delta H (AH) = ?
d orbitals
q/moles
moles solute/kg solvent
red
10. AX5E
alkene
square pyramidal
rate
(moles of products that are gasses) - (moles of reactants that are gasses)
11. The measurement of heat changes
Law of Conservation of Energy
equilibrium
Calorimetry
0
12. STP
square pyramidal
1st law of thermodynamics
bromate
0 degrees C - 1 atm
13. I¹?
P1= X1P1°
iodide
Gamma Ray-
tetrahedral
14. ?T=k*m(solute)
Quantum Model
Colligative properties
Molal BP Elevation Constant
Integrated Second-Order Rate Law
15. The reactant that is being reduced - brings about oxidation
Scientific Method
acid
single bond
oxidizing agent
16. (# of lone pair e-)+1/2(# of shared e-)
STP
yellow
oxidation
Valence Electrons(assigned)
17. Symbol for Total Heat absorbed or released
q
critical point
Polar Covalent
are
18. (msubs) Can only be +1/2 or -1/2
f
Electron Spin Quantum Number
-(q of H2O + q of cal)
Cell Potential (Ecell)
19. Ka=[products]^m/[reactants]^n
Anode
Bronsted-Lowry Base
Acid Dissociation Constant
permanganate
20. Chemical composition of dry ice
solid CO2
Alkali metals
Hund's Rule
Pauli Exclusion Principle
21. Substances that form OH- when dissolved in water; proton acceptors
pent-
methods of increasing rate
Bases
Ionic
22. (organics) single-bonded compound
triple point
alkane
-ol
amine
23. For colligative properties for electrolytes - the # of mols of ions/ mols of solute
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24. Change without heat transfer between the system and its surroundings
adiabatic
log[H+]
reduction
Quantum Numbers
25. A solution used in titrations whose concentration is known
Molecular Compounds
-(q of H2O + q of cal)
standard solution
First-Order Rate Law
26. When gas compresses ...
Le Chatelier's Principle
Second-Order Rate Law
Positive work value; work done on system
red
27. Cl¹?
chloride
Enthalpy of Solution
alkane
nitrate
28. (organics) one carbon
1/2mv²
Enthalpy of Solution
Bronsted-Lowry Acid
meth-
29. AX6
Trigonal Bipyramidal
octahedral
ammonium
Constant Volume
30. A solution that resists a change in its pH
hept-
dichromate
Buffered Solution
Heisenberg Uncertainty Principle
31. Kinetic Energy per molecule
STP
1/2mv²
Arrhenius equation
Entropy (S)
32. 0°C and 1 atm
% error
reduction
linear
STP
33. Combined Gas Law Formula
P1V1/N1T1=P2V2/N2T2
LeChatelier's Principle
-ous acid
standard solution
34. AX2 - AX2E3
melting
linear
+1 - except if bonded to Alkali Metal -1
violet
35. kb of water
0.512°C
A Roman numeral
sublimation
titrant buret
36. How to Balance a Redox Equation
Boltzmann distribution
Weight
d orbitals
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
37. (organics) nine carbons
Cathode
group
purple
non-
38. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))
Alkaline earth metals
heat of fusion
work
Acid + Base --> Salt + Water
39. Rate of Diffusion/Effusion formula
surroundings
Hydrogen bonding
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
Density
40. If heat capacity isn't mentioned - you can assume that q of cal is = ?
pent-
0
square planar
AE = q + w
41. Where reduction occurs
Cathode
Root Mean Square Velocity
-ous acid
Pressure of H2O must be Subtracted
42. C=2.9979*10^8 m/s
Octahedral
Speed of light
triple point
sublimation
43. Mol of solute/kg of solvent
P1V1/N1T1=P2V2/N2T2
Molality
base
nitrate
44. F¹?
linear
lambda
Graham's Law
flouride
45. 109.5° - sp^3
Tetrahedral
Ampere
m (third quantum number)
0
46. Oxidation # of Hydrogen
Amino-
+1 - except if bonded to Alkali Metal -1
sublimation
carbonate
47. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities
force x distance = work done
Alkali metals
Graham's Law
Boltzmann distribution
48. When ____ significant digits - round answer to least decimal place
viscosity
Adding
Osmotic Pressure
linear
49. negative ion
oct-
X of a = moles a/total moles
Anion
square planar
50. Color of Li (flame test)
red
msAT
Aufbau Principle
square planar