CHEM 101 Midterm: CHEM 101 Drexel CHEM 101 Exam 2 Fall 2009 with answers
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On the answer sheet (scantron) write your name, student id number, and recitation section number. Choose the best (most correct) answer for each question and enter it on your answer sheet. Speed of light: c = 3. 00 x 108 m/s. Planck constant: h = 6. 63 x 10-34 j s. 1s22s22p63s23p63d104s24p65s2: in, pd, fe, ni, sr, which is the correct electron configuration for a ground-state nitrogen atom, none of the above is correct. Page 3 of 5: heating a 50. 0 g sample of iron (specific heat = 0. 451 j g-1 c-1) raises its temperature from. I water absorbs heat from the surroundings and becomes steam. Ii steam expands and pushes against the surrounding air. Iii fuel molecules burn and heat the surroundings. Iv air is compressed into an inner tube by an external pump. Page 4 of 5: the complete combustion of 1. 47 g of methanol produces 29. 3 kj of heat. Determine the h for the reaction and its sign.
