CHEM 1110 Midterm: Chemistry 1110 2005 Spring Test 2
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Instructions: you have 75 minutes to complete this 100-point exam. No programmable calculators allowed: multiple choice (15 pts, 3 points each) carefully and clearly circle the best answer. Solubility, precipitates and chemical reactions: (10 pts) in the table below, indicate if a precipitate will form when fe(no3)3 is mixed with the ionic compounds in column x . If a precipitate forms, give the formula of the precipitate. Formula of ppt: (15 pts) write the balanced complete, total ionic and net ionic equations for the reaction of zinc (i) sulfate with strontium chloride, complete. ________________________________________________________________________: (5 pts) write the balanced equation for the combustion of c9h18. Calculations: show all work 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) most window cleaners are aqueous solutions of ammonia, nh3.
