Note: to use 12 cents for a kW-h. Also, the campus rate of 8.5 cents is fine too. it’s fine V. 126 Cast of Characters seen this slide at least a dozen times in You’ve lecture, … 1. (20 points, the total points does not match the of answers, –2 points each error) Fill in the blanks. List ALL of the chemical formulas in the 126 Cast of Characters that match the item. Example: __N2 and O2_____ make up 99% of the atmosphere. Your turn. Write NONE if the atom or molecule is not shown in the Cast of “126 Characters.” O2_________ ___ about one fifth of the atmosphere CH4_CO2_ __H2O can function as a greenhouse gas ______ Ar_______ found inside of an incandescent bulb Hg found in a fluorescent bulb (milligram amounts) ______ _______ CO2__ ___CH4_and a gas present in dry air at < 500 ppm (0.05%) ___ CH4_and N2___ can burn (produce an oxide) in the presence of O2 ____H2O and_CO2_ released to the atmosphere when methane burns or O2__ ___none produced by plants via the process of photosynthesis Grading: No matter how many errors you made, we took off a maximum of 2 points per question. This means that we gave you 4 free points because there are only 8 questions. For this question only, we awarded full credit if you got 2 out of 3 answers: __H2O CH4_CO2_ can function as a greenhouse gas Yeah, we know. You cannot really see atoms and molecules. 2. (6 points) It takes a power of the imagination to do this. In the slide above, name one item that is right in the way in which atoms and molecules are imagined.
Note: it’s fine to use 12 cents for a kW-h. Also, the campus rate of 8.5 cents is fine too. V. 126 Cast of Characters You’ve seen this slide at least a dozen times in lecture, … 1. (20 points, the total points does not match the of answers, –2 points each error) Fill in the blanks. List ALL of the chemical formulas in the 126 Cast of Characters that match the item. Example: __N2 and O2_____ make up 99% of the atmosphere. Your turn. Write NONE if the atom or molecule is not shown in the “126 Cast of Characters.” ___ O2_________ about one fifth of the atmosphere __H2O CH4_CO2_ can function as a greenhouse gas ______ Ar_______ found inside of an incandescent bulb ______ Hg _______ found in a fluorescent bulb (milligram amounts) ___CH4_and CO2__ a gas present in dry air at < 500 ppm (0.05%) ___ CH4_and N2___ can burn (produce an oxide) in the presence of O2 ____H2O and_CO2_ released to the atmosphere when methane burns ___none or O2__ produced by plants via the process of photosynthesis Grading: No matter how many errors you made, we took off a maximum of 2 points per question. This means that we gave you 4 free points because there are only 8 questions. For this question only, we awarded full credit if you got 2 out of 3 answers: __H2O CH4_CO2_ can function as a greenhouse gas 2. (6 points) Yeah, we know. You cannot really see atoms and molecules. It takes a power of the imagination to do this. In the slide above, name one item that is right in the way in which atoms and molecules are imagined.
Exam1%20KEY%20-%20Spring%202014.docx