Chem_150_Final_Key_W05

Chem_150_Final_Key_W05 - Chemistry 150 Winter 2005 ~ i b aE...

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Chemistry 150 ~ibal Exh Winter 2005 I /" Seminar 1iour This exam is worth a total of 100 points. Make sure numerical work is shown in an orderly manner, with the correct number of significant digits. Clearly indicate your answers by underlining or circling. Partial credit can be given only if all work is shown! Answer discussion questions with complete sentences whenever possible. Sketches and diagrams are OK to help make your point, but should not be the sole answer. A minimum energy of 941 Wlmol is required to break the nitrogen-nitrogen bond in N2. What is the frequency and wavelength of the least energetic photon that can break this bond? In which region of the electromagnetic spectrum is this rqdiation? 2. Consider the ion ICli. a. Draw the most probable Lewis structure for this ion. 4 pts / I 4 I
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Chem 150 Final Exam Page 2 3. A 7.85 g sample of acompound with empirical formula Cs& is dissolved in 301 g of benzene. The freezing point of the solution is
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This note was uploaded on 11/15/2010 for the course CHEM Chem 150 taught by Professor Karenkreutzer during the Winter '05 term at Shoreline.

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Chem_150_Final_Key_W05 - Chemistry 150 Winter 2005 ~ i b aE...

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