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- Calculate the pH in water that is in equilibrium with calcite, but at the pre-industrial level of CO2 (280 ppm) and at the projected level in year 2100 with current international climate agreements (800 ppm). Ignore temperature and ionic strength effects.Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentrate of the lake? a. 4.0 M b. 10-3 M c. 104 M d. 10-10 MIf a body of water is to support life, its dissolved oxygen should be _____ ppm or mg/L.
- What is the epa clean water act?Mercury Emissions by Continent By weight, coal does not contain much mercury, but we burn a lot of it. Several industries besides coal-fired power plants contribute substantially to atmospheric mercury pollution. FIGURE 2.13 shows mercury emissions by industry from different regions of the world in 2010. FIGURE 2.13 Global mercury emissions by sector, 2010. About how many metric tons of mercury were released in total from these regions?Mercury Emissions by Continent By weight, coal does not contain much mercury, but we burn a lot of it. Several industries besides coal-fired power plants contribute substantially to atmospheric mercury pollution. FIGURE 2.13 shows mercury emissions by industry from different regions of the world in 2010. FIGURE 2.13 Global mercury emissions by sector, 2010. About how many metric tons of mercury were released from metal production in Asia?
- The barometric pressure is about half the sea-level value of 760 mm Hg at an altitude of 4,000-5,000 feet 9,000-10,000 feet 14,000-15000 feet 18,000-19,000 feetMercury Emissions by Continent By weight, coal does not contain much mercury, but we burn a lot of it. Several industries besides coal-fired power plants contribute substantially to atmospheric mercury pollution. FIGURE 2.13 shows mercury emissions by industry from different regions of the world in 2010. FIGURE 2.13 Global mercury emissions by sector, 2010. Which industry tops the list of mercury emitters? Which industry is next on the list?Which sample is larger? 1.0 mg or 0.01 g 1.0 μg or 0.01 mg 12 mg or 0.12 g 12 mg or 1200 μg
- A water quality control board reports that water is unsafe for drinking if the proportion of nitrate concentration exceeds 21% ppm. Water specimens are taken from a well. ?o: ??:The five most important green house gases in terms of quantity are carbondioxide,methane,sulphur dioxide ,nitroxides and chloro fluoro carbonates. True or false1.covert 7712 cubic centimeters to liters 2.covert 31.7 quarts to litters
