Heats of Sublimation (1)

Heats of Sublimation (1) - Chem. 124 Name Dr. Anariba Adam...

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Chem. 124 Dr. Anariba Name Adam Pescatore Computer Number 02 The Heat of Sublimation of Dry Ice Instructions: This report is to be completed by each of you INDIVIDUALLY after performing the experiment with your partner . This report is due at the beginning of class on Thursday, 14 April 2011. You are to fill in this form using Microsoft Word to create a clear and informative report. To draw attention to your answers, you may want to use color or bold type. You will turn in a hard copy of this report. READ THE DIRECTIONS CAREFULLY! Part 1: Calculated Results: Fill in your results of your calculations in the table below. Provided an appropriate title to the table below. Make sure you include units as appropriate! Trial # Heat Energy Exchanged Heat of Sublimation (in kJ/mol CO 2 ) 1 11394.7 Joules 29.5 kJ/mol CO2 2 8349.8 Joules 23.3 kJ/mol CO2 3 6745.7 Joules 20.2 kJ/mol CO2 Average 8830.1 Joules 24.3 kJ/mol CO2 Show a sample calculation for each of the following within the provided space: 1. Heat energy exchanged: Trial 1 Trial 2 Trial 3 1
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Chem. 124 Dr. Anariba 2. Heat of sublimation in kJ/mol of CO 2 Trial 1 Trial 2 Trial 3 Part 2: Cluster Results: Record the results from the three best trials of each of the other stations in your cluster/table in the table below. Trial # H sub , kJ/mol Trial # H sub , kJ/mol Trial # H sub , kJ/mol Computer # 01 Computer # 02 Computer # 03 1 28.4 kJ/mol 1 29.5 kJ/mol 1 30.0 kJ/mol 2 23.5 kJ/mol 2 23.3 kJ/mol 2 27.8 kJ/mol 3 29.7 kJ/mol 3 20.2 kJ/mol 3 33.7 kJ/mol Statistical Analysis: 2
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Chem. 124 Dr. Anariba Using the above data in addition to your own, calculate the following values for the heat of sublimation in kJ/mole. Using all data
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This note was uploaded on 11/14/2011 for the course CHEM 124 taught by Professor Hascall during the Spring '08 term at Cal Poly.

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Heats of Sublimation (1) - Chem. 124 Name Dr. Anariba Adam...

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