CHEM 1010H Lecture Notes - Lecture 1: Watch Glass, Purified Water, Filter Paper
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14 Mar 2018
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Chem1000h lab report 2: raw data: Mass of empty container (for weighing the copper): 51. 0432. Mass of empty container (for weighing zinc): 29. 6068. Mass of watch glass + filter paper: 40. 7582. Mass of watch glass + filter paper + final recovered cu product: 41. 1792: fill in the table for each of the reaction steps. When hno3 was added to copper an automatic change in color to a clear green occurred and a brown gas formed (nitrogen gas) as well as heat was given off (exothermic). When transferred to beaker, the de-ionized water was added and the color then changed to a light clear blue. When naoh was added, cloudy blue/dark blue substance formed. After heating beaker, black copper oxide (more dense) and water was left. When h2so4 was added, the substance mixed and became light blue again once. D it dissolved and dripped down into the beaker. Zinc was then added to the light blue solution.
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