Lab Report 1
Title: Observation of Macroscopic Chemical Changes, Alice Kimbrell, Chemistry 101-DS01:74589, 5/31/2013.
Purpose: In this lab, I will observe macroscopic changes that occur when mixing together certain chemicals and household cleaners. The mixing of the chemicals provided with each other and with acid/base indicators demonstrates how matter can change, and how chemistry can be seen with the naked eye. By mixing household cleaners with an acid/base indicator I hope to demonstrate how these changes can be related to everyday life.
Procedure: Before beginning my experiment, I put on my gloves and safety glasses. I then removed all of my chemicals from the “Observation of Chemical Changes” bag, clipped the tips off of the pipets, and put them in the Well-Plate-24. Keeping track of which plate number each mixture was in, I added the chemicals two drops at a time in separate wells of the Well-Plate-96. The mixtures were done in the following order, and the reaction, along with the plate number were recorded on a data table.
1. NaHCO and HCl-CO_2 2. HCl and BTB 3. NH_3 and BTB 4. HCl and blue dye 5. Blue dye and NaOCl, and then one drop of HCl 6. Kl and Pb(NO_3)_2 7. NaOH and AgNO_3 8. HCl and phenolphthalein 9. NaOH and AgNO_3 10. AgNO_3 and NH_3 11. NH_3 and CUSO_4
I observed all of these reactions on the backdrop of a white and black sheet of paper.
I then used and empty pipet and, in three separate wells, I mixed 2 drops of Bromothymol Blue with two drops of the following: Clorox Multi-Purpose Cleaner, Febreze, and Lysol Multi-Purpose Cleaner. I also observed these reactions on a white and black sheet of paper. I recorded the reactions of these mixtures. After all results were recorded and the questions had been answered, I cleaned up by pouring the remaining chemicals down the sink with lots of water, rinsing the wells thoroughly, washing my hands.
Data Tables/Observations: Data Table 1:
Purpose: In this lab, I will observe macroscopic changes that occur when mixing together certain chemicals and household cleaners. The mixing of the chemicals provided with each other and with acid/base indicators demonstrates how matter can change, and how chemistry can be seen with the naked eye. By mixing household cleaners with an acid/base indicator I hope to demonstrate how these changes can be related to everyday life.
Procedure: Before beginning my experiment, I put on my gloves and safety glasses. I then removed all of my chemicals from the “Observation of Chemical Changes” bag, clipped the tips off of the pipets, and put them in the Well-Plate-24. Keeping track of which plate number each mixture was in, I added the chemicals two drops at a time in separate wells of the Well-Plate-96. The mixtures were done in the following order, and the reaction, along with the plate number were recorded on a data table.
1. NaHCO and HCl-CO_2 2. HCl and BTB 3. NH_3 and BTB 4. HCl and blue dye 5. Blue dye and NaOCl, and then one drop of HCl 6. Kl and Pb(NO_3)_2 7. NaOH and AgNO_3 8. HCl and phenolphthalein 9. NaOH and AgNO_3 10. AgNO_3 and NH_3 11. NH_3 and CUSO_4
I observed all of these reactions on the backdrop of a white and black sheet of paper.
I then used and empty pipet and, in three separate wells, I mixed 2 drops of Bromothymol Blue with two drops of the following: Clorox Multi-Purpose Cleaner, Febreze, and Lysol Multi-Purpose Cleaner. I also observed these reactions on a white and black sheet of paper. I recorded the reactions of these mixtures. After all results were recorded and the questions had been answered, I cleaned up by pouring the remaining chemicals down the sink with lots of water, rinsing the wells thoroughly, washing my hands.
Data Tables/Observations: Data Table 1: