Chem_340_examples_1

Chem_340_examples_1 - U for each of the three paths....

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A few good examples 1. A sample constisting of 1 mol of monoatomic perfect gas for which C V,m = 3/2R is taken through the cycle shown . (a) Determine the temperature at points 1 , 2 and 3. (b) Determine q, w, D U and D H for the overall cycle. 2. With reference to the figure below and assuming perfect gas behavior calculate: (a) the amount of gas molecules in this system knowing that T A =313 K. and its volume at states B and C; (b) the work done on the gas along the paths ACB and ADB; (c) the work done on the gas along the isotherm AB and (d) q and D
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Unformatted text preview: U for each of the three paths. Consider C V,m = 3/2R. 3. When a system is taken from state A to state B along the path ACB in the figure below, 80 J of heat flows into the system and the system does 30J of work. (a) How much heat flows into the system along path ADB if the work done is 10J? (b) When the system is returned from state B to A along the curved path the work done on the system is 20J. Does the system absorb or liberate heat and by how much? (c) If U D U A = + 40 J, find the heat absorbed in the process AD and DB....
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Chem_340_examples_1 - U for each of the three paths....

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