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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. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium
sulfite
C=(mass)(specific heat)
spontaneous
reduction agent
2. Carboxylic acid ending
-oic acid
oxidation
Pressure of H2O must be Subtracted
are not
3. I=moles of particles/moles of solute dissolved
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4. Energy involved in gaining an electron to become a negative ion
-1
3/2RT
msAT
electron affinity
5. neutron (symbol)
Metalliods
sulfate
acid
n0
6. Verticals on the periodic table
group
Calorimeter
sublimation
Acid + Base --> Salt + Water
7. (organics) eight carbons
oct-
specific heat
t-shape
condensation
8. .69/k
amine
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
First-Order Half Life
isothermal
9. Kinetic Energy of an individual particle formula
soluble
M = square root (3RT/mm)
chlorite
Transition metals
10. Aldehyde suffix
-ol
-al
-one
First-Order Rate Law
11. (# of lone pair e-)+1/2(# of shared e-)
Bond enthalpy
d orbitals
X of a = moles a/total moles
Valence Electrons(assigned)
12. A homogeneous mixture with 1 phase
Oxidizing Agent
Dipole-dipole forces
Solution
Overall Reaction Order
13. SO3²?
Arrhenius Acid
Positive work value; work done on system
sulfite
viscosity
14. Color of Na (flame test)
Bronsted-Lowry acid
specific heat
1st law of thermodynamics
yellow
15. Reactant that's completely used up in a chemical reaction
Limiting reactant
0
Principal Quantum Number
Speed of light
16. Electrons in a hydrogen atom move around the nucleus only in circular orbits
Molecular Compounds
Bond Energy
Quantum Model
Acids
17. Type of system in which the energy and mass may leave or enter
PV=nRT
entropy (S)
period
Open System
18. r=k[A]
system
First-Order Rate Law
Kinetic Molecular Theory - for ideal gases
square planar
19. A measure of randomness or disorder
entropy
Endothermic
Barometer
Bond enthalpy
20. A method of investigation involving observation and theory to test scientific hypotheses
linear
Colligative properties
n (first quantum number)
Scientific Method
21. Change in Energy (AE) = ? (in terms of work)
0.512°C
Solubility Product (Ksp)
AE = q + w
Entropy (S)
22. C=2.9979*10^8 m/s
eth-
Arrhenius acid
weak acid strong base rxn
Speed of light
23. This MUST be determined experimentally
melting
prop-
Kinetic Molecular Theory - for ideal gases
rate law
24. Matter can't be created nor destroyed
Law of Conservation of Mass
n0
% yield
Bronsted-Lowry acid
25. Proton donors
0 degrees C - 1 atm
specific heat
melting point
Bronsted-Lowry acid
26. Type of system in which nothing is transfered (no mass or energy); ideal
Matter
Isolated System
insoluble
Molecular Orbitals (MOs)
27. Dirrect Method Formula
chlorate
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
catalyst
% yield
28. Raising heat - adding catalyst - heighten concentration - bigger surface area
Alpha Particles-
Boltzmann distribution
methods of increasing rate
system
29. (organics) nine carbons
increasing
4.184
non-
but-
30. x can be ignored when % ionization is <5%
Volt
Isotopes
5% rule
q
31. Freezing point depression formula
?Tf= kf x molality
phosphate
spontaneous
titrant buret
32. J/°Cg or J/Kg
Specific Heat Capacity
Pi Bond
Buffer
insoluble
33. In a given atom no two electrons can have the same set of four quantum numbers
hydrolysis
Pauli Exclusion Principle
(moles of products that are gasses) - (moles of reactants that are gasses)
AE = q + w
34. A monoatomic cation takes name from...
Its element
Normality
Second-Order Rate Law
soluble
35. We cannot simultaneously determine an atom's exact path or location
PV=nRT
Heisenberg Uncertainty Principle
22.4L
Quantum Model
36. Volume of gas @STP
d orbitals
alkene
Linear
22.4L
37. Ending for alcohols
Molal BP Elevation Constant
-ol
r1/r2
Trigonal Planar
38. 1.Volume of individual particles can be assumed to be zero 2.The particles are in constant motion - which causes pressure 3.Particles exert no forces on each other 4.The average kinetic energy of the particles is directly affected by temperature(K)
Kinetic Molecular Theory - for ideal gases
no precipitate forms
Tetrahedral
hydrolysis
39. Ionizes to produce OH- Ions
moles of solute/ L of solution
Acid Dissociation Constant
Arrhenius Base
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
40. Amount of product produced when limiting reactant is used up
red
1 atm
?Hvap
Theoretical yield
41. NO2¹?
1) Convert to moles 2) divide by lowest moles 3) if any halfs - double all values 4) plug into Compound
reduction agent
nitrite
Molecular
42. These orbitals are perpendicular
p orbitals
specific heat
deposition
Cg=kPg
43. Elements which have all electrons paired and relatively unaffected by magnetic fields
Electronegativity
diamagnetic
third
1atm=?mmHg/Torr
44. Gain of electrons - decrease in oxidation #
reduction
Decrease Volume and Increase Temperature
Magnetic Quantum Number (ml)
Dalton's Law of Partial Pressures
45. ln[A]=-kt + ln[A]0
CAT
Bonding Pairs
oxide
Integrated First-Order Rate Law
46. In ideal gas law problem - when it says "atmospheric" ...
Pressure of H2O must be Subtracted
Bonding Pairs
group
Cell Potential (Ecell)
47. Specific heat of water
Positive work value; work done on system
linear
4.184
Calorimeter
48. Lowers activation energy
catalyst
cathode
Bronsted-Lowry acid
London dispersion forces
49. For colligative properties for electrolytes - the # of mols of ions/ mols of solute
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50. K
acid
Equilibrium constant
Atmospheric Pressure
Positive work value; work done on system