Term Papers on Chemistry from Term Papers Lab.
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Data/ Observations
Data:
· Measurements:
- Paper towel = 0.5100 g
- Cu + Paper towel = 1.1000 g
- HNO3 = 5.01 mL
- H2O = 100 mL
- NaOH = 30.001 mL
- Wax Plate = 2.291 g
- Zn + Wax Plate = 4.693 g
- Zn = 2.402 g
- Methanol = 5.19 mL
- Acetone = 5.30 mL
- End Product Cu + Wax Plate = 2.970 g
- End Product Cu = 0.679 g
Observations:
· The copper at the beginning was a light reddish and powdery solid.
· When the HNO3 was added, the liquid turned green and produced an orange gas (NO2 (g)). There was a grainy substance on the bottom. There was no change in temperature.
· When the NO2 was gone, the solution still smoked.
· When we added the water, the solution went from a green to a very crystal, pretty blue. The substance stopped smoking and the grainy substance at the bottom went away, it dissolved. There was no change in temperature.
· After the NaOH was added, the solution turned a more vibrant and bright blue and had almost a jelly look to it. The......
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Title: Chemistry
Approximate Word Count: 1506
Approximate Pages: 7 (250 words per double-spaced page)
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