midterm2

midterm2 - Second Midterm Chem 110A F09 LAST NAME_First...

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1 Second Midterm Chem 110A F09 LAST NAME _____________________First Name_________________ Problem Possible points Points scored 1(a) 25 1(b) 20 2(a) 10 2(b) 10 3(a) 10 3(b) 10 3(c) 10 3(d) 5 TOTAL 100 BE SURE TO SHOW ALL YOUR REASONING AND WORK. LABEL ALL DIMENSIONAL QUANTITIES WITH PROPER UNITS. PLEASE, DON’T WRITE DOWN ANYTHING YOU CAN’T JUSTIFY, OR AREN’T SURE OF, OR PROUD OF…. (NOTE: A TABLE OF THERMODYNAMIC DATA IS PROVIDED ON THE LAST PAGE)
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1. (45 points) Consider a van der Waals gas with a=0, i.e., a gas described by the equation of state P nRT V nb . Suppose this system is confined in a cylinder with a movable piston, immersed in a heat reservoir at temperature T. Suppose further that its initial state is P i ,V i , and T , and that its final state is P f , V f , and T, with P f < P i and V f > V i . (a) The first process that takes the system from this initial to final state is an isothermal reversible expansion. Calculate ) V P .]
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midterm2 - Second Midterm Chem 110A F09 LAST NAME_First...

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