midterm-i-practice

midterm-i-practice - Your name(Last(First Your section_Your...

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Your name (Last)______________(First)__________ Your section _______Your TA______________ Student ID ______________ Signature ______________ Practice Midterm I Monday October 11, 2010 12:10 PM – 1:00 PM CHEM 2AH, Fall 2010 Professor Guo This is a closed book exam. The only thing you may consult with is a pocket calculator or similarly functional math tool. There are 8 pages and a periodic table on the back; please make sure your exam is complete before starting. Section points 1 /20 2 /20 3 /20 4 /20 5 /20 6 /20 Total /120
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What is the main difference between an element and a compound? (3 points) What is the unit of molar mass? (3 points) What do you do to achieve chemistry stoichiometry when given a chemical reaction of reactants and products? (3 points) How do you measure the charge-to-mass ratio? (3 points) Which speed is the greatest: average, root-mean-square, or most probably of gas molecules at a temperature with Maxwell-Boltzmann distribution? (4 points) Which one is greater, mean-free-path or absolute distance traveled by a molecule? (4)
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This note was uploaded on 11/17/2010 for the course MAT 21C NA taught by Professor Na during the Spring '01 term at UC Davis.

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midterm-i-practice - Your name(Last(First Your section_Your...

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