A isothermal isoplethal isocratic isobaric adiabatic B The nicotine concentratio
ID: 1038651 • Letter: A
Question
A
isothermal
isoplethal
isocratic
isobaric
adiabatic
B
The nicotine concentrations in the phases resulting from the heating process in the Question ABOVE are approximately:
30%, 70%
24%, 51%
18%, 62%
9%, 73%
1%, 82%
C
The fractional amounts of the coexisting phases resulting from the heating process in Question ABOVE are (phase more dilute in nicotine is listed first):
0.10, 0.90
0.20, 0.80
0.40, 0.60
0.60, 0.40
0.80, 0.20
One phase ?208? 20? o 160 Two phases C 120 ! 60.8" 40 One phase 0 0 20 40 60 80 10 Nicotine in water (% by weight)Explanation / Answer
(A)
Isobaric
(C)
Using lever rule we can find out the fractional amounts of each phase at a given point in two phase region:
ac / bc = 13/63 = 0.20
ab / bc = 50 / 63 = 0.80
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