CHEM 2770 Midterm: CHEM 2770 41183 Exam
31 Jan 2019
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Location: 224 / 290 education page no: 1 of 5. Department & course no: chem / mbio 2770 time: 1 hour. Examiner: j. o"neil: please mark the answer sheet using pencil only, enter your name and student number on the answer sheet, the exam consists of multiple-choice questions. Sheet: there is only 1 correct answer for each question, please read all the questions carefully, the last page is scratch paper. Identify the correct statement about the van der waal"s interaction. It is a covalent attraction between polarized molecules containing o-h, n-h, or f-h. It is the same as a hydrophobic interaction. It explains why ice is less dense than liquid water. The compound being titrated is an amino acid. The pka of the compound is about 2. At point c the fraction of conjugate base is low. At point b the compound exists mainly in the weak acid form.
