CHEM 1110 Midterm: Chemistry 1110 2004 Fall Test 2
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Instructions: you have 50 minutes to complete this 100-point exam. No programmable calculators allowed: multiple choice: (25 pts, 5 points each) carefully and clearly circle the best answer. 2: li+, co3, li+, cl, fe2+, cl, fe2+, co3, none of the above. 2: which of the following molecules or ions is a polyprotic acid, hcl. 2: so4, h2po4, hso4, none of the above. Short answer and calculations (85 pts): clearly indicate your answer in the space provided. Partial credit will be given for correct work. If i cannot read the work, it will not be graded: (15 pts) write the balanced complete, total ionic and net ionic equations for the reaction of copper (i) sulfate with calcium nitrate, complete. ________________________________________________________________________: (10 pts) write the balanced equation for the combustion of benzene, c6h6, (20 pts) sulfur hexafluoride, a very good electrical insulator, is prepared by the reaction of sulfur with elemental fluorine.
