Chemistry 100 Dunnivant
Exam 3 Spring, 2004
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There are 105 points on this exam. IÕll give you 5 and grade it on a 100 point basis.
Specific heat of ice = 2.1 J/g-K
Specific heat of water = 4.2 J/g-K
Specific heat of steam = 2.0 J/g-K
Heat of fusion of ice = 333 J/g
Heat of vaporization = 2260 J/g
q (heat) = specific heat * mass of water * change in temperature
PV = nRT
R = 0.08205 atm-L/mol-K
P1V1 = P2V2
V1/T1 = V2/T2
Butane
Heptene
Pentyne
An aromatic hydrocarbon
An organic compound with an alcohol group
An organic compound with a ketone group
An organic compound with an ester group
An organic compound with an aldehyde group
An organic compound with an amine group
An organic compound with an ether group
b)What is the purpose of the primary clarifier in a domestic wastewater treatment plant?
c)What is the purpose of the biological contact unit in a domestic wastewater treatment plant?
IR
Visible light
UV light
Microwaves
Carbon dioxide
Methane
Water
12. (15 pts) You fly to Europe for the summer and are excited about having a great time. To your disappointment you sat next to a coal energy lobbyist on the plane. You take it onto yourself to convince this conservative-viewed person that global warming is real (as in harmful) and that he/she should change jobs. YouÕve got 8 hours on the plane but much let time to give your answer here. Your must use the computer to write your answer and you must draw (from memory) any rough figures that you need to defend your point of view.