Test #1 review 9.18.11

Test #1 review 9.18.11 - following reactions Then identify...

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Susie Lee ( [email protected] ) Test #1 SI sessions CHEM 222 Sun 6-7p BLOC 105 9/18/11 6-7p Mon 6-7p BLOC 105 Wed 6-7p BLOC 105 1. Draw the following molecules and indicate the electronic geometry, molecular shape, bond angle, hybridization and molecular polarity. NH 3 H 2 O CO 2 BF 3 CH 2 O 2. For the boxed atoms, identify the hybridization, molecular shape and bond angle. Then identify the functional groups.
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Susie Lee ( [email protected] ) Test #1 SI sessions CHEM 222 Sun 6-7p BLOC 105 9/18/11 6-7p Mon 6-7p BLOC 105 Wed 6-7p BLOC 105 3. Identify all the non-covalent interactions. 4. Compare the boiling points of the following molecules. A) > < = B) > < = C) > < =
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Susie Lee ( [email protected] ) Test #1 SI sessions CHEM 222 Sun 6-7p BLOC 105 9/18/11 6-7p Mon 6-7p BLOC 105 Wed 6-7p BLOC 105 5. Identify the acid, base, conjugate acid and conjugate base and write the Keq expression for the
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Unformatted text preview: following reactions. Then identify whether or not they are buffer systems. If they are, write the reaction that occurs when a strong acid is added and the reaction that occurs when a strong base is added. A) H 2 SO 4 (aq) + H 2 O (l) HSO 4-(aq) + H 3 O + (aq) B) HSO 4-(aq) + H 2 O (l) H 2 SO 4(aq) + OH-(aq) C) HC 2 H 3 O 2 (aq) + H 2 O (l) C 2 H 3 O 2-(aq) + H 3 O + (aq) 6. Rank the following substances (1=highest and 5=lowest) Susie Lee ( [email protected] ) Test #1 SI sessions CHEM 222 Sun 6-7p BLOC 105 9/18/11 6-7p Mon 6-7p BLOC 105 Wed 6-7p BLOC 105 pH pKa Ka [H 3 O + ] 1.0 M water 1.0 M NaOH 1.0 M H 2 CO 3 1.0 M NH 3 1.0 M HNO 3 pH pKa Ka [H 3 O + ] 0.1 M Mg(OH) 2 1.0 M Mg(OH) 2 0.1 M HClO 4 1.0 M water 1.0 M HClO 4...
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