TABLE 11.5 Critical Temperatures and Pressures of Selected Substances Substance Critical Temperature (K) Critical Pressure (atm) Nitrogen, N2 126.1 33.5 Argon, Ar 150.9 48.0 Oxygen, O2 154.4 49.7 Methane, CH, 190.0 45.4 Carbon dioxide, CO, 304.3 73.0 Phosphine, PH, 324.4 64.5 Propane, CH,CH½CH3 370.0 42.0 Hydrogen sulfide, H2S 373.5 88.9 Ammonia, NH3 405.6 111.5 Water, H20 647.6 217.7
TABLE 11.5 Critical Temperatures and Pressures of Selected Substances Substance Critical Temperature (K) Critical Pressure (atm) Nitrogen, N2 126.1 33.5 Argon, Ar 150.9 48.0 Oxygen, O2 154.4 49.7 Methane, CH, 190.0 45.4 Carbon dioxide, CO, 304.3 73.0 Phosphine, PH, 324.4 64.5 Propane, CH,CH½CH3 370.0 42.0 Hydrogen sulfide, H2S 373.5 88.9 Ammonia, NH3 405.6 111.5 Water, H20 647.6 217.7
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The substance CS2 has a melting point of -110.8 °C and a boiling point of 46.3 °C. Its density at 20 °C is 1.26 g/cm3. It is
highly flammable. (a) What is the name of this compound? (b) List the intermolecular forces that CS2 molecules exert on one
another. (c) Write a balanced equation for the combustion of this compound in air. (You will have to decide on the most likely oxidation products.) (d) The critical temperature and pressure for CS2 are 552 K and 78 atm, respectively. Compare these values
with those for CO2 in Table 11.5 and discuss the possible origins of the differences.
Transcribed Image Text:TABLE 11.5 Critical Temperatures and Pressures of Selected Substances
Substance
Critical Temperature (K)
Critical Pressure (atm)
Nitrogen, N2
126.1
33.5
Argon, Ar
150.9
48.0
Oxygen, O2
154.4
49.7
Methane, CH,
190.0
45.4
Carbon dioxide, CO,
304.3
73.0
Phosphine, PH,
324.4
64.5
Propane, CH,CH½CH3
370.0
42.0
Hydrogen sulfide, H2S
373.5
88.9
Ammonia, NH3
405.6
111.5
Water, H20
647.6
217.7
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