Atomic Structure and Periodic Table
Solutions
Bonding
Thermodynamics
Organic Chemistry
100
What is the most electronegative element?
fluorine
100
What is density?
mass/volume
100
When a nonmetal reacts with a metal, it forms a/an _________ compound.
ionic
100
What is the first law of thermodynamics?
The energy of the universe is constant.
100
What do amines have?
nitrogen; amino group(NH2)
200
What is an anion?
a negatively charged ion
200
What is molarity? (be specific)
(moles of solute)/(liters of solution)
200
What is the unequal sharing of electrons called?
polarity
200
"The entropy of a perfect crystal at 0 K is zero" is which law of thermodynamics?
third
200
What are isomers?
molecules with the same formula, but different arrangements
300
What is the ionization energy?
energy that takes to remove an electron from an atom
300
What is the color of Li+ in fire?
red
300
What is the name of the orbital set with this geometry and sp3 hybridization?
tetrahedral
300
What is the spontaneity of ΔS positive, ΔH negative.
spontaneous at all temperatures
300
What is the formula of pentane?
C5H12
400
What element has the quantum numbers 2, 1, 0, +1/2 ?
oxygen
400
Which of the following is insoluble?
MgSO4, Ag2SO4, K2SO4, Rb2SO4
Ag2SO4
400
What is it called when more than one valid Lewis structure can be used for a particular molecule?
resonance
400
What is the difference between specific heat capacity and molar heat capacity?
Specific heat capacity is the energy required to raise the temperature of one gram of a substance by one degree Celsius.
Molar heat capacity is the energy required to raise the temperature of one mole of a substance by one degree Celsius.400
What is the name of this molecule?
benzene
500
What is the Heisenbeg Uncertainty Principle?
It states that it is impossible to know both the position and momentum of an electron at a particular instant.
500
What is the solubility product(Ksp) of this reaction?
CaF2(s) <--> Ca2+(aq) + 2F-(aq)
Ksp = [Ca2+][F-]2
500
What is the name of the orbital set with this geometry and d2sp3 hybridization?
octahedral
500
Define the standard states (pressure, concentration, temperature, etc.) for TWO of the following:
gaseous compound, element, or compound in solution.
Gaseous compound: 1 atm
Element: 1 atm and 25 °C
Compound in solution: 1 M500
What is the name of molecules that contain this?
organic acids