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Unformatted text preview: Chem 101 (2) Exam 2C Name: ____________________________________ March 5, 2005 (please print legibly) Pledge : I have neither given nor received help on this exam : ________________________________ Instructions: Your answer must be in the box or line for each problem or NO CREDIT will be given. Exams written in pencil will not be eligible for a regrade. Make sure that your significant figures are correct for ALL questions! Indicate the units for all answers for full credit! Sign pledge or your exam will not be graded. Use the atomic masses on the periodic table in the lecture hall for calculations in this exam The last page is scratch paper but must be turned in with the exam USEFUL FORMULAS AND NUMBERS : E = q + w w = -P V H = q p q = sm T q soln = -q rxn q rxn = -C cal T 1 mole = 6.02 X 10 23 units (ie atoms, etc) 1 J = 1 kg m 2 /s 2 H rxn = n H f (products) - m H f (reactants) E k = (1/2)mv 2 1 Chem 101 (2) Exam 2C...
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- Spring '02