CHEM 123 Quiz: CHEM 121 Quiz
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Chemistry 121 section 199 practice quiz #1 solutions. Please put the first letter of your family/last name in this box. This quiz is out of 15 marks and is printed on both sides of the page. In a real quiz i will provide a periodic table identical to one on inside cover of your textbook. For maximum usefulness, do this practice quiz in 15 min without looking at anything other than a periodic table: consider the reaction of cesium with water as demonstrated in class. Questions (a) write a balanced equation for this reaction. (2 pts) 2 cs(s) + 2 h2o(l) ==> 2 csoh(s) + h2(g) (b) give the name(s) of the product(s) in this reaction. (1 pts) Cesium hydroxide and hydrogen (c) how many grams of water will we need to completely convert 2. 0 g of cesium to the final product? (3 pts) Stoichiometry dictates 1 mol cs used for 1 mol h2o, therefore.
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