Identify which compound is polar or not polar? H2S, CO2, HF, and SO2.  Explain your reasons for each compound.

Balance the following equation                                           Mg3N2 + H2O →Mg(OH)2 + NH3

The main type of attractive forces between molecules of nitrogen (N₂) are ________.

Al + HCl → AlCl3 + H2

What element is undergoing oxidation in the reaction?               Fe (s) + Cu2+ (aq) → Fe2+ (aq) + Cu(s)

Station E Answer all 3 questions below: Identify CHAMBER A. Identify CHAMBER B. What is the name of the VALVE that connects chambers A and B?

Fill in the table below about the three skeletal types discussed in this course. Skeletal Type Example Organism One Advantage A Jellyfish Flexibility Exoskeleton Crayfish B C D Allows for a larger body size, protects the skeleton, and grows with the body

Fill out the table of mammal clades below (0.5 points each) Mammal Clade Example Organism Carnivora [1] [2]  Whales, even-toed ungulates Chiroptera [3] [4] Shrews, hedgehogs, moles [5] Apes, monkeys, prosimians Rodentia [6]

Station H Answer both questions below: What is the FUNCTION of structure A? Identify STRUCTURE B.

How many grams of CO₂ are produced when 44.0 g of O₂ reacts completely? (MW CO₂ = 44.0 g/mol; O₂ = 32.0 g/mol).                                                         C + O2 → CO2