ccdt - California Chemistry Diagnostic Test Sample...

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California Chemistry Diagnostic Test Sample Questions Competency areas: Compounds and elements; states of matter; reactions of matter; structure of matter; periodic properties; solutions; qualitative kinetics and thermodynamics; lab skills, mathematical skills. A Periodic Table is provided with the exam. ______________________________________________________________________ 1. The correct formula for aluminum nitrate is (a) Al 3 N 2 (b) Al 3 (NO 3 ) (c) Al(NO 2 ) 3 (d) Al(NO 3 ) 3 ______________________________________________________________________ 2. A substance releases heat when it changes from (a) liquid to solid (b) solid to gas (c) liquid to gas (d) solid to liquid ______________________________________________________________________ 3. Given the balanced equation: 2H 2(g) + O 2(g) 2H 2 O ( l ) How many grams of H 2 O are formed if 9.00 mol H 2(g) reacts completely with an excess of O 2(g) ? The molar mass of H 2 O is 18.0g/mol. (a) 18.0g
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ccdt - California Chemistry Diagnostic Test Sample...

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