The total pressure of three gasses is 475 torr. If the partial pressure of the first gas is 124 torr and the partial pressure of the second gas is 220 torr, what is the partial pressure of the third gas in torr?
131 torr
What is the atomic number of an element?
The number of protons in the element
If an atom goes from a neutral charge to a +3 charge, what must have happened?
It lost/gave away 3 electrons
What is the IUPAC name for the compound MgCl2?
Magnesium Chloride
Based on the following pH values, which substance is slightly acidic?
Water: 7
Baking Soda: 9
Coffee: 5
Lemon Juice: 2
Coffee
What is the correct IUPAC name for NH4CO3
Ammonium Carbonate
What type of reaction is the following reaction?
HNO3 +KOH --> H2O + KNO3
Acid-Base or Neutrilization
What are all of the differences between an ionic bond and a covalent bond? (What types of elements are involved, how are electrons involved)
Ionic: Metal + nonmetal, electrons are transferred
Covalent: Nonmetal + Nonmetal, Electrons are shared
What elements are allowed to break Hund’s Rule?
Chromium Copper
What is my cat’s name
Timbo!
If the electron configuration of Al is 1s22s22p63s23p1, what is the electron configuration of Al3+
1s22s22p6
What is the oxidation state of S in H2SO4?
+6
What is the IUPAC name for the compound FeBr3?
Iron (III) Bromide
What does each family on the periodic table have in common?
Chemical properties and/or valence electrons (These two are essentially the same thing)
Which one of the three following molecules is polar?
CH4, CH3Cl, CO2
CH3Cl
How many grams of CaCO3 are in a 2.14 M solution dissolved in 0.8 L of solvent?
171 g CaCO3
590 J
If three substances are heated with the same amount of energy which substances temperature would increase the most if the specific heats if the substances are 0.673 J/g*oC, 0.548 J/g*oC, and 0.823 J/g*oC
Substance 2 (0.548 J/g*oC)
How many grams of sulfur would be required to react with 95 g of Fe
2Fe + 3S --> Fe2S3
82 g S
Draw the structure of SF6 and state the bond angles
DRAWING 90 and 180
Structure for PO43- and resonance if any
DRAW
Where would the net dipole (if any) point for methanol? Draw it!
Drawing
What is the hybridization on the first, second and third carbon in CH2OHCCCH3? Maybe draw
Sp3 sp sp