Demonstrations for Teaching

Demonstrations For Teaching Laboratory Safety

Edward G. Senkbeil Department of Chemistry Salisbury State University Salisbury, Maryland 21801

egsenkbeil @ssu.edu Chemistry 207 Laboratory Safety

One credit course Requirement for chemistry majors Sophomore level Grade Determination Laboratory Safety Analysis Report 25% Quizzes 25% Paper on Approved Safety Topic 25% Final Examination 25% Major Topics Covered Laboratory Design & Safety Equipment Information on Chemicals Classes/Properties of Hazard. Chemicals Storage of Chemicals Hazardous Wastes in the Laboratory Burning Book

1. Rubin Battino and John J. Fortman, “The Burning Book – A Guide To Its Construction”, CHEM 13 NEWS, May, 1996.

2. M. Larry Peck and Troy Lilly 16th Biennial Conference on Chemical Education – Workshop W14 “Burning Books”, [email protected] Burning of Cotton vs. Gun Cotton (Nitrocellulose)

Bassam Z. Shakhashiri, “Combustion of Cellulose Nitrate (Guncotton), Chemical Demonstrations - A Handbook of Teachers For Chemistry, Vol. 1, University of Wisconsin Press

Cotton (Cellulose)

Gun Cotton (Nitrocellulose) Flame Tornado Demonstration

1. Edward G. Senkbeil, “Combustion Demonstration Using Updated Flame Tornado”, Journal of Chemical Education, in press.

2. Robert Becker, “Flame Tornado”, Twenty Demonstrations to Knock your Socks Off!, Flinn Scientific, Illinois, 1994, pp 36-37.

The Non-Burning (Twenty??) Dollar Bill

1. Bassam Z. Shakhashiri, “The Nonburning Towel”, Chemical Demonstrations - A Handbook of Teachers For Chemistry, Vol. 1, University of Wisconsin Press

2. David A. Katz, “The Non-Burning Paper”, (handout provided by David Katz, 1990). Department of Chemistry, Community College of Philadelphia. Combustion of Ethanol in Watch Glass vs. Milk Jug

1. John J. Fortman, Andrea C. Rush, and Jennifer E. Stamper; “Variations on the Whoosh Bottle Alcohol Explosion Demonstration Including Safety Notes”, Journal of Chemical Education, August 1999, pp 1092- 1094.

2. John J. Fortman, “Demonstrating the Chemistry of Internal Combustion Engines and Jet Engines: Alcohol Explosions”, CHEM 13 News, May 2000, pp 10-11.

Flashback Apparatus 1. Reference???

Combustion of Methane 1. Bassam Z. Shakhashiri, “Combustion of Methane, Chemical Demonstrations - A Handbook of Teachers For Chemistry, Vol. 1, University of Wisconsin Press, pp 113-116.

Alternate Demo Robert Becker, “The Methane Mamba”, Twenty Demonstrations to Knock your Socks Off!, Flinn Scientific, Illinois, 1994, pp 46-49.

Flaming Cotton / Paper Lee R. Summerlin, Christie L. Borgford, and Julie B. Ealy; “Flaming Cotton”, Chemical Demonstrations : A Source For Teachers, Volume II, American Chemical Society, 1988, p 104.

2 Na2O2(s) + 2 H2O(l) →4 NaOH(aq) + Sodium peroxide O2(g) + heat or

+ Na2O2(s) + 2 H2O(l) → 2 Na (aq) + 2 OH- (aq) + H2O2 (aq)

2 H2O2 (aq) → 2 H2O(l) + O2(g) + heat Self-Lighting Candle Lee R. Summerlin, Christie L. Borgford, and Julie B. Ealy; “The Self-Lighting Candle”, Chemical Demonstrations : A Source For Teachers, Volume II, American Chemical Society, 1988, p 107- 108.

C12H22O11(s) → 12 C(s) + 11 H2O(g) + sugar heat

2 KCLO3(s) + heat →2 KCl(s) + 3 O2(g)

C(s) + O2(g) → CO2(g) + heat Mini Grain Elevator Explosion 1. D. W. Rehfeld, Michael Barondeau, and James Long, “An Explosive Demonstration”, Journal of Chemical Education, Volume 65, #10, 1988, p894-895.

2. “Lycopodium Powder – The Mini Grain Elevator Explosion”, Chem Fax, Flinn Scientific Inc., Publication # 464.00, 1990.