Data: Coffee type: Sumatra Dark Roast, Mass of water: 600 gram, Mass of beans: 40 grams, Rbrew:
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Question:
Data:
Coffee type: Sumatra "Dark Roast", Mass of water: 600 gram, Mass of beans: 40 grams, Rbrew: 15, pH of coffee at end of brew:6.3 (This is the pH at time=0).
Time (minutes) | pH | Time (minutes) | pH |
0 | 6.31 | 35 | 5.67 |
5 | 6.16 | 40 | 5.61 |
10 | 6.00 | 45 | 5.62 |
15 | 5.91 | 50 | 5.55 |
20 | 5.83 | 55 | 5.54 |
25 | 5.79 | 60 | 5.54 |
30 | 5.71 |
Sensory Evaluation: t=0 (End of brew): ph=6.31, Bitter, woody, smooth, full body
t=30 minutes: pH=5.71, Acidic
t=60 minutes: pH=5.54, Burnt, acidic
Question: (Please answer and provide explanation)
- First, use Excel to generate a scatter plot of the pH versus time that you generated with the Mr. Coffee. (Put the pH on the vertical axis, and time on the horizontal axis.) What trends do you observe?
- Thank you and will provide good rating.
Related Book For
Organic Chemistry A Short Course
ISBN: 978-1111425562
13th edition
Authors: Harold Hart, Christopher M. Hadad, Leslie E. Craine, David J. Hart
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