Spreading rate of spilled liquid. Refer to the Chemical Engineering Progress (Jan. 2005) study of the rate at which a spilled volatile liquid will spread across a surface, Exercise 2.158 (p. 91)..Spreading rate of spilled liquid. Refer to the Chemical Engineering Progress (Jan. 2005) study of the rate at which a spilled volatile liquid will spread across a surface, presented in Exercise.Recall that the data on mass of the spill and elapsed time is saved in the LIQUIDSPILL file. Is there sufficient evidence (at α = .05) to indicate that the mass of the spill tends to diminish linearly as elapsed time increases? If so, give an interval estimate (with 95% confidence) of the decrease in spill mass for each minute of elapsed time.
Time (minutes) | Mass (pounds) |
0 | 6.64 |
1 | 6.34 |
2 | 6.04 |
4 | 5.47 |
6 | 4.94 |
8 | 4.44 |
10 | 3.98 |
12 | 3.55 |
14 | 3.15 |
16 | 2.79 |
18 | 2.45 |
20 | 2.14 |
22 | 1.86 |
24 | 1.60 |
26 | 1.37 |
28 | 1.17 |
30 | 0.98 |
35 | 0.60 |
40 | 0.34 |
45 | 0.17 |
50 | 0.06 |
55 | 0.02 |
60 | 0.00 |
Based on Barry, J. “Estimating rates of spreading and evaporation of volatile liquids.” Chemical Engineering Progress , Vol. 101, No. 1, Jan. 2005, p. 38.
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