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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. 0°C and 1 atm
e-
STP
salt bridge
Chemical Kinetics
2. Energy involved in gaining an electron to become a negative ion
electron affinity
Calorimetry
sublimation
experimental yield
3. Substances w/ critical temperatures below 25°C
Radioactivity
Heat
Angular Momentum Quantum Number
permanent gases
4. ?H when 1 mol of bonds is broken in the gaseous state
Normality
f
Bond enthalpy
rate gas A/rate gas B = square root (mm A/ mm B)
5. Mole Fraction
X of a = moles a/total moles
Antibonding Molecular Orbital
exothermic
Acids
6. [A] vs. time is a ...-order reaction
zero
Chemical Bonds
-oic acid
titrant buret
7. AX3E
trigonal pyramidal
3.0x108m/s
anode
cathode
8. Dalton's Law of Partial Pressures (to find partial pressure formula)
Law of Conservation of Energy
increasing
Limiting reactant
P of a =(X of a)(total pressure)
9. AX3E2
cohesion
red
Zero-Order Half Life
t-shape
10. [A]0/2k
Law of Conservation of Mass
Quantum Numbers
red
Zero-Order Half Life
11. Forward rxn occurs when
condensation
Ideal Gas Law
Solution
Q<K
12. O²?
-2 - with peroxide -1
oxide
Gamma Ray-
experimental yield
13. Function in which it doesn't matter HOW the changes take place - only that they do; you can use to formula Final - Initial ( i.e. energy - pressure - volume - temperature - sort of moles)
Ampere
Speed of light
single bond
State Functions
14. If heat capacity isn't mentioned - you can assume that q of cal is = ?
Diffusion
0
hydrocarbons
Hybridization
15. Kinetic Energy is proportional to ______
Temperature
perchlorate
bromate
nitrite
16. Does the same as equilibrium expression - except it uses initial concentrations
Reaction Quotient (Q)
Zero-Order Rate Law
cyanide
-oic acid
17. F¹?
endless
flouride
Hess's Law
Zero-Order Rate Law
18. NO2¹?
spontaneous
nitrite
0.512°C
acetate
19. Organic w/ -OH group
paramagnetic
endothermic
alcohol
Manometer
20. Bomb Calorimeter
Dalton's Law
Exothermic
first
Constant Volume
21. The chemical formed when a base accepts a proton
e-
Molecular
conjugate acid
0.0826Latm/Kmol
22. Different form of same element
Covalently w/in themselves - Ionicly bonded w/ each other
1) Assume percentages are g (where you have 100 g) 2) convert to moles 3) divide by lowest value 4) plug into compound
Bond enthalpy
allotrope
23. A device in which chemical energy is changed to electrical energy
Alpha Particles-
Law of Conservation of Mass
London dispersion forces
Galvanic Cell
24. Theoretical yield-experimental yield/theoretical yieldx100
Second-Order Rate Law
% error
boiling point
Dalton's Law
25. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...
complex ions
but-
Faraday
6.63x10?³4Js
26. Color of Cs (flame test)
Open System
Density
blue
amine
27. Point at which solid?liquid occurs
Calorimeter
deposition
permanent gases
melting point
28. Rate of Diffusion/Effusion formula
double bond
rate gas A/rate gas B = square root (mm gas B/ mm gas A)
purple --> pink
octahedral
29. Where reduction occurs
green/yellow
heat of vaporization
strong acid strong base rxn
Cathode
30. Boltzmann constant - used in calculating speed of gas per molecule
voltaic cells
1.38x10?²³J/K
Amount of atoms present
Osmotic Pressure
31. Reverse rxn occurs when
Q>K
Zero-Order Rate Law
Dalton's Law
1atm=?mmHg/Torr
32. The reactant that is being reduced - brings about oxidation
Octahedral
Arrhenius equation
force x distance = work done
oxidizing agent
33. C2O4²?
oxalate
are not
trigonal bipyramidal
Matter
34. 90° - d^2sp^3
22.4L
Octahedral
cohesion
0
35. Hydroxides are soluble or insoluble?
alcohol
Molal BP Elevation Constant
insoluble
Acid + Base --> Salt + Water
36. Solution used in titration
titrant buret
Metalliods
mol
1st law of thermodynamics
37. Color of K (flame test)
Hydrogen bonding
purple
AH rxn = (Sum of AH of formation of products) - (Sum of AH of formation of reactants)
Ideal Gas Law
38. The rest of the universe (in thermodynamics)
period
Equilibrium Expression
vapor pressure
surroundings
39. When gas compresses ...
Positive work value; work done on system
C=(mass)(specific heat)
m (third quantum number)
Antibonding Molecular Orbital
40. 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
LE Model
Scientific Method
London Dispersion Forces
complex ions
41. Loss of electrons - increase in oxidation #
purple
oxidation
1.38x10?²³J/K
Q>K
42. The part of the universe one is focused upon (in thermodynamics)
complex ions
First-Order Half Life
system
Calorimetry
43. Determined by the formula h/m(in kg)v - (v=velocity)
wavelength
Monoprotic
Ag+ - Pb2+ - Hg2+ - Sr2+ - Ca2+ - Ba2+
Trigonal Planar
44. Kinetic Energy per molecule
f
P1V1/N1T1=P2V2/N2T2
1/2mv²
# protons + # neutrons
45. Higher in energy than the atomic orbitals of which it is composed
Dipole Moment
Antibonding Molecular Orbital
methoxy-
Graham's Law
46. Freezing point depression formula
Trigonal Planar
?Tf= kf x molality
no precipitate forms
carbonate
47. Substance in which something is dissolved in a solution (higher [ ])
Hydrogen bonding
Solvent
Percent Yield
f
48. Solid to liquid
LE Model
Molality
melting
insoluble
49. Half cell in which oxidation occurs
anode
Acid + Base --> Salt + Water
rate law
Matter
50. Energy needed to break a bond
ether
bond energy
equivalence point
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