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Material Type: Exam; Class: Principles of Chemistry I; Subject: Chemistry; University: Clayton State University; Term: Summer 2004;
Typology: Exams
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Name:_____________________________________________________ CHEMISTRY 1211 SUMMER 2004 EXAM # This exam is eighteen questions long. Please read through all of the questions first and ask about anything you do not understand. You will have one hour and 15 minutes to complete this exam. Exams will be picked up at the end of the class period. No late exams will be accepted! You are allowed to use a calculator. If you do not have a calculator, setting up the problem correctly will gain you some points but you will not receive full credit for any question you do not answer completely. Included in this exam is a periodic table, which should be stapled to the back of the exam. CHEATING IS NOT ALLOWED. ANYONE CAUGHT CHEATING WILL RECEIVE A ZERO ON THIS EXAM. The exam is worth a total of 100 points. Each question is labeled with its exact point value. Be sure to answer all of the questions on the exam. Good Luck! GIVEN INFORMATION Water Vapor Pressure 25ºC 23.80 mmHg 30ºC 31.82 mm Hg Equations c= E = h STP = 1 atm and 273 K =h/mv Plank’s Constant Speed of light h = 6.626x10-34^ J s c = 2.998 x10^8 m/s Ideal Gas Law Constant Rydberg Constant R = 0.0821 L atm / mol K R = 1.097x10^7 m- Conversion Factors Rydberg Equation 1 atm = 760 torr = 760 mmHg )
2 2 2 n 1 n
1 J = 1 kg m^2 / s^2
6.A gas is considered “ideal” if _________________. a. It is not compressible b. One mole of it occupies exactly 1 liter at standard temperature and pressure c. It can be shown to occupy zero volume at 0º C d. Its behavior is described by the ideal- gas equation e. One mole of it in a one liter container exerts a pressure of exactly 1 atm at room temperature. (3 points)