Lab 6 Thermodynamics

Lab 6 Thermodynamics - Chem125 Name Dr.Nguyen Roman Ferro...

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Dr. Nguyen Name Roman Ferro Computer # Partner Kwaku Farkye   ( Total = 4 pts of pre-lab + 21 pts of report = 25 pts ) T HERMODYNAMICS OF THE S OLUTION P ROCESS This report is due a week after the experiment is done. Turn in a typed copy individually . DATA (0.5 pt) Mass of potassium nitrate 12.007g (3 pts) Record your measurements in the second and fourth columns of the following table, then convert them to the corresponding values in the third and fifth columns. Solutio n Volume of KNO 3 ( aq ), mL Volume of KNO 3 ( aq ), L Crystallization Temperature, °C Crystallization Temperature, K 1 15 .015 69.75 342.75 2 18 .018 63.92 336.92 3 20.5 .0205 50.25 323.25 4 23.5 .0235 45.72 318.72 5 26 .026 37.8 310.8 6 28 .028 31.0 304.0 7 31 .031 28.76 301.76 8 33.75 .0338 26.65 299.65 (1 pt) Calculate the number of moles of potassium nitrate in your sample; show your calculation below. RESULTS & DISCUSSION
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This note was uploaded on 11/14/2011 for the course CHEM 125 taught by Professor Retsek during the Fall '08 term at Cal Poly.

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Lab 6 Thermodynamics - Chem125 Name Dr.Nguyen Roman Ferro...

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