NEWS PAGE

 

1. PHSC 102------------Test 2 covering material up and including the energy laws (see part IV Information Sheet) is scheduled for Wednesday October 29. You will need a type F scan form.

2. CLAB 123-------

Please be prepared for experiment 7. You should read the introductory material and the procedure in your lab manual (or modification if applicable). Be sure to prepare an outline (summary) of the procedure in your notebook. Note that we will be doing the demonstration. Remember to bring your lab manual and notebook to class and wear proper lab attire. Please also bring a calculator (does not need to be scientific). Please study the link on the class web page for Common Laboratory Operations and Apparatus.

Your lab reports for experiment 6 will be due.

Please read Part II of the Information Sheet before starting the report. Remember that all calculations are to include units and are to be to the proper number of significant digits. Multiple pages must be stapled. Please see the report instructions available as a link on the Information Sheet.

Instructions for experiment 6 lab report:

You should prepare the report as though you were making 3 reports (one on each gas law).

For Boyle's law, include your graph and discuss the line fit by citing the correlation coefficient.

For Gay-Lussac's Law

I. Raw Data- Barometric pressure, h1, h2, t1, t2.
II. Sample Calcs.- Show all calculations.
III. Results- P/T ratios.
IV. Discussion- discuss how close the P/T ratios are to each other.

For Charles' Law

I. Raw Data- V1, Volume of water "sucked in", t1, t2.
II. Sample Calcs.- Show all calculations.
III. Results- V/T ratios.
IV. Discussion- discuss how close the V/T ratios are to each other.

Please read Part II of the Information Sheet before starting the report. Remember that all calculations are to include units and are to be to the proper number of significant digits. Multiple pages must be stapled.

Instructions for experiment 7 report:

I. Data - Prepare table from board in lab. Include barometric pressure.
II. Sample Calcs. - Graph with table of values, calculation of delta H, calculation of % error
III. Results - Value of m, delta H, % error
IV. Discussion - Discuss 5 error.