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Exam 2 Chem 102A F09 (PRACTICE)

Exam 2 Chem 102A F09 (PRACTICE) - LAST NAME FIRST...

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Robert Boyle (1627 - 1691) C102A Examination II Fall, 2009 Honor Code : I pledge on my honor that I have neither given nor received improper aid on this examination. ______________________________ (Signature) Directions: 1. No books or notes may be using during this test. There should be no data stored on your calculator for use on the exam. This includes, but is not limited to, periodic tables and chemical equations and formulas. 2. There are a total of 9 sections (some with several parts) for a sum of 100 points. 3 Be certain that, wherever applicable, you show your work . Problems in sections 6-9 that are answered without showing work will not receive credit . 4. Please note: there are no intentionally misleading questions on this test. Each problem should be taken at its face value. You must, however, be certain to read each problem carefully! 5. If you have any questions please ask your professor. “I am not ambitious to appear a man of letters: I could be content the world should think I had scarce looked upon any other book than that of nature.” —Robert Boyle DO NOT REMOVE THIS PAGE FROM YOUR EXAM!!!!! Please check the box by the section in which you are officially enrolled: Prof. List (MWF, 8:10-9:00) Prof. Hanusa (MWF, 9:10-10:00) Prof. Lukehart (TTh, 8:10-9:25) Prof. Phillips (MWF, 11:10-12:00) Exam Score________ LAST NAME, FIRST NAME (Please PRINT)
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2 SECTION 1 1. T RUE OR F ALSE (10 PTS . TOTAL ; 2 PTS . EACH ) Circle either True or False for each answer. (a) the change in enthalpy and the change in internal energy are equal at constant pressure because no pressure volume work is done. True False (b) The minimum wavelength of light required to eject an electron from the surface of cesium is 579 nm. An increase in the intensity of light at this wavelength will result in the ejection of an electron from the metal surface with a higher kinetic energy. True False (c) For a reaction in which Δ V is positive, Δ H > Δ E . True False (d) The energy, E , of a quantum of electromagnetic radiation is directly proportional to its wavelength.
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