209s10a1s - DCGN209-Spring10 Homework#1 p 1 of 4 I Study...

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DCGN209-Spring’10: Homework#1 p. 1 of 4 I. Study Questions & Problems (not to hand in) . A. For figure 1 (below) be able to name each of the eleven features indicated on this diagram. Figure 1. A “generic” one-component phase diagram, which refers to a substance for which the pressure of its triple point is less than 1.000 atm. Choose from the following: Liquid #3 Sublimation line (also: vapor P line for solid) #10 “Normal” boiling point #6 Solid #1 Triple point #9 Supercritical fluid #11 Boiling point line (also: vapor P line for liquid; saturation line) #5 “Normal” melting point #7 Critical point #4 Melting point line #2 Gas (vapor) #8 P T 1.000 atm 6 (pt) 9 (pt) 4 (pt) 7 (pt) 10 (line) 8 (area) 3 (area) 5 (line) 1 (area) 2 (line) 11 (area)
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DCGN209-Spring’10: Homework#1 p. 2 of 4 B. Table 1 (below) lists quantitative data for substances common in earth systems. T tp P tp T m T sub T b T m (100 MPa) T C P C K Pa K K K K K kPa Formula H 2 O 273.16 611.73 273.15 373.15 264.4 674.14 22060 CO 2 216.58 518500 194.7 236.0 304.14 7375 CH 4 90.694 11696 90.69 111.65 190.53 4604 C 2 H 6 1.1 90.3 184.5 305.4 4884 C 3 H 8 85.52 85.46 231.08 94.4 369.82 4250 C 4 H 10 (n-Butane) 134.86 0.7 134.86 272.6 150.1 425.14 3784 C 4 H 10 (iso-Butane) 113.55 0.019481 134.8 261.42 407.85 3630 (1) Lide, D.R. and Kehiaian, H.V. (1994) CRC Handbook of Thermophysical and Thermochemical Data. CRC Press. (2) The "normal" transition points refer to a pressure 1.000 atm.
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