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2. Using the data in Appendix A of Benjamin's Water Chemistry, answer the following questions a. What is the Henry's law constant (KH) at 25 °C for the exchange of hydrogen sulfide between the gas and aqueous phases? H₂S (g) H₂S (aq)

2. Using the data in Appendix A of Benjamin's Water Chemistry, answer the following questions a. What is the Henry's law constant (KH) at 25 °C for the exchange of hydrogen sulfide between the gas and aqueous phases? H₂S (g) H₂S (aq)

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2. Using the data in Appendix A of Benjamin's Water Chemistry, answer the following questions a. What is the Henry's law constant (KH) at 25 °C for the exchange of hydrogen sulfide between the gas and aqueous phases? H₂S (g) H₂S (aq) b. What is the Henry's law constant for the reaction in part a) at a temperature of 5 °C?
Transcribed Image Text:2. Using the data in Appendix A of Benjamin's Water Chemistry, answer the following questions a. What is the Henry's law constant (KH) at 25 °C for the exchange of hydrogen sulfide between the gas and aqueous phases? H₂S (g) H₂S (aq) b. What is the Henry's law constant for the reaction in part a) at a temperature of 5 °C?
Table 2.3 Chemical composition of atmospheric deposition and some freshwaters A. Variable Atmospheric precipitation Lakes Harriett, Little Rock, Vilas Minneapolis, Co., Wisc. Minn. SC pH Ca²+ Mg2+ Na+ K+ NH HCO3 SO² CI NO F- Si(OH)4 | Ca²+ Mg²+ Na+ Gainesville, Trout Lake, Sagehen Fla., Wisc., 1976-1977 2005 B. Variable" Springs Silver Ocala, Fla. K+ NH HCO SO CI 4.53 0.41 0.12 0.44 0.20 0.129 NO F- Si(OH)4 2.05 0.98 0.84 0.01 440 7.2 76 9.4 6.8 0.59 0.1 Copyright © 2011. Oxford University Press, Incorporated. All rights reserved. 231 26 9.6 1.1 0.19 8.01 5.12 0.139 0.018 0.027 10 0.031 0.344 0.783 0.048 0.828 I Blue Seminole, Fla. 2120 7.2 77.8 35.9 307 10.3 0.09 185.4 82 550 Creek, Calif., 2005 0.36 0.091 8 2.38 5.44 0.014 0.003 0.023 0.004 0.024 0.067 0.044 0.121 L 255 7.8 31.5 8.6 6.3 1.4 100 12 14 Whiteface Mt., N.Y., 2005 Apopka Winter Garden, Fla. 4.5 0.073 5 11.39 4.72 0.052 0.008 0.024 0.020 0.166 0.932 0.051 0.727 12.4 Ground water Floridan aquifer (1) 6.16 0.84 0.29 0.18 0.60 0.024 1.32 2.73 0.37 0.123 0.02 458 7.48 80 19.4 8.5 1.3 207.4 8.2 35 0.02 0.4 14 484 7.3 40 13 50 5.6 0.064 131 9 97 0.044 0.15 Floridan aquifer (2) 7.69 56 12 7.9 1.0 160 53 12 Rivers Mendota, Tahoe, Colorado Salt Madison, Calif., River, River, Wisc. Nev. Az. Az. 350 7.9 31 25.5 6.3 4.0 200 24 7.9 0.17 0.8 78821 7.47 55 28 3.1 0.6 Well-water, Pennsylvania 265 20 92 7.3 8.3 8.4 70.9 27.7 92.7 4.4 10 2.5 6.0 1.6 0.004- 56 2.0 2.0 0.033 966 - 22.1 161 243 80.3 1.2 0.3 8.8 50.1 6.3 9.9 1.8 1.46 0.70 45.0 1337 0.46 0.68 0.02 0.05 15.0 8.07 52.9 21.2 15.8 4.9 8.4 1.5 188 5.4 Near Lake Tomahawk, Wisc., unconfined aquifer North Global America average average 153 72.3 64.2 18.0 9.2 300 0.55- 7.2 6.3 4.8 14.7 3.7 7.2 1.4 Kenora, Ont., unconfined aquifer 24.0 1.1 0.6 53.0 11.5 8.3 22.1 10.4 1.54 2.07 0.59 *Specific conductance (SC) in µS/cm; all ions in mg/L as the stated species; silica in mg/L as SiO₂. All sites are wet-only precipitation; Gainesville from Hendry and Brezonik; other sites from National Atmospheric Deposition Program.? Data are volume-weighted annual average values. * Little Rock and Harriett data from the author (P.L.B.); Mendota median values from 1966-1967, courtesy of J. Delfino,, Univ. of Florida; Tahoe data compiled from various sources, courtesy of C. Goldman and P. Arneson, University of California-Davis. $ Salt River, Arizona, at Lake Roosevelt (reservoir); Colorado River at Granite Reef in Colorado-Arizona Project canal. Data compiled by and courtesy of Larry Baker, University of Minnesota; North American and global average values from Berner and Berner based on data of Meybeck.10 1 Spring data for various dates in 2002-2008 compiled by St. Johns River Water Management District (SJRWMD) from various sources; courtesy of E. Lowe, SJRWMD, Palatka, Fla. £ Floridan aquifer and Pennsylvania wells are in dolomitic limestone; Kenora aquifer is in igneous rock; aquifer near Lake Tomahawk is in glacial till. (1) from Gainesville regional utility courtesy of J. Delfino and P. Chadik, University of Florida; well near Lake Tomahawk, unpublished data of the author (P.L.B.); other columns from Freeze and Cherry."
Transcribed Image Text:Table 2.3 Chemical composition of atmospheric deposition and some freshwaters A. Variable Atmospheric precipitation Lakes Harriett, Little Rock, Vilas Minneapolis, Co., Wisc. Minn. SC pH Ca²+ Mg2+ Na+ K+ NH HCO3 SO² CI NO F- Si(OH)4 | Ca²+ Mg²+ Na+ Gainesville, Trout Lake, Sagehen Fla., Wisc., 1976-1977 2005 B. Variable" Springs Silver Ocala, Fla. K+ NH HCO SO CI 4.53 0.41 0.12 0.44 0.20 0.129 NO F- Si(OH)4 2.05 0.98 0.84 0.01 440 7.2 76 9.4 6.8 0.59 0.1 Copyright © 2011. Oxford University Press, Incorporated. All rights reserved. 231 26 9.6 1.1 0.19 8.01 5.12 0.139 0.018 0.027 10 0.031 0.344 0.783 0.048 0.828 I Blue Seminole, Fla. 2120 7.2 77.8 35.9 307 10.3 0.09 185.4 82 550 Creek, Calif., 2005 0.36 0.091 8 2.38 5.44 0.014 0.003 0.023 0.004 0.024 0.067 0.044 0.121 L 255 7.8 31.5 8.6 6.3 1.4 100 12 14 Whiteface Mt., N.Y., 2005 Apopka Winter Garden, Fla. 4.5 0.073 5 11.39 4.72 0.052 0.008 0.024 0.020 0.166 0.932 0.051 0.727 12.4 Ground water Floridan aquifer (1) 6.16 0.84 0.29 0.18 0.60 0.024 1.32 2.73 0.37 0.123 0.02 458 7.48 80 19.4 8.5 1.3 207.4 8.2 35 0.02 0.4 14 484 7.3 40 13 50 5.6 0.064 131 9 97 0.044 0.15 Floridan aquifer (2) 7.69 56 12 7.9 1.0 160 53 12 Rivers Mendota, Tahoe, Colorado Salt Madison, Calif., River, River, Wisc. Nev. Az. Az. 350 7.9 31 25.5 6.3 4.0 200 24 7.9 0.17 0.8 78821 7.47 55 28 3.1 0.6 Well-water, Pennsylvania 265 20 92 7.3 8.3 8.4 70.9 27.7 92.7 4.4 10 2.5 6.0 1.6 0.004- 56 2.0 2.0 0.033 966 - 22.1 161 243 80.3 1.2 0.3 8.8 50.1 6.3 9.9 1.8 1.46 0.70 45.0 1337 0.46 0.68 0.02 0.05 15.0 8.07 52.9 21.2 15.8 4.9 8.4 1.5 188 5.4 Near Lake Tomahawk, Wisc., unconfined aquifer North Global America average average 153 72.3 64.2 18.0 9.2 300 0.55- 7.2 6.3 4.8 14.7 3.7 7.2 1.4 Kenora, Ont., unconfined aquifer 24.0 1.1 0.6 53.0 11.5 8.3 22.1 10.4 1.54 2.07 0.59 *Specific conductance (SC) in µS/cm; all ions in mg/L as the stated species; silica in mg/L as SiO₂. All sites are wet-only precipitation; Gainesville from Hendry and Brezonik; other sites from National Atmospheric Deposition Program.? Data are volume-weighted annual average values. * Little Rock and Harriett data from the author (P.L.B.); Mendota median values from 1966-1967, courtesy of J. Delfino,, Univ. of Florida; Tahoe data compiled from various sources, courtesy of C. Goldman and P. Arneson, University of California-Davis. $ Salt River, Arizona, at Lake Roosevelt (reservoir); Colorado River at Granite Reef in Colorado-Arizona Project canal. Data compiled by and courtesy of Larry Baker, University of Minnesota; North American and global average values from Berner and Berner based on data of Meybeck.10 1 Spring data for various dates in 2002-2008 compiled by St. Johns River Water Management District (SJRWMD) from various sources; courtesy of E. Lowe, SJRWMD, Palatka, Fla. £ Floridan aquifer and Pennsylvania wells are in dolomitic limestone; Kenora aquifer is in igneous rock; aquifer near Lake Tomahawk is in glacial till. (1) from Gainesville regional utility courtesy of J. Delfino and P. Chadik, University of Florida; well near Lake Tomahawk, unpublished data of the author (P.L.B.); other columns from Freeze and Cherry."
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