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7. Ocean water pH is on average, a7 b. 8 c. 9 d. 10 8. When the ocean absorbs carbon dioxide, it converts it into a bicarbonate HCO, b. carbonate... CO2- c. carbonic acid... H₂CO, d. calcium carbonate... CaCO which has a chemical formula of The addition of carbonic acid in the ocean shifts the pH slightly more acidic. To keep ocean water within the narrow pH range, the concentration of the weak base, the carbonate ion, increases. More carbonate ion is added to the ocean by the dissolution of calcium carbonate (CaCO3). From the opposite extreme, if more carbonate is added to the ocean, the pH would become more basic. To compensate, the mineral calcium carbonate (CaCO₂) would precipitate, removing the carbonate ion from the ocean 9. The ocean is a system a basic b. buffered e. acidic d. variable offers the system from becoming too by calcium carbonate.

7. Ocean water pH is on average, a7 b. 8 c. 9 d. 10 8. When the ocean absorbs carbon dioxide, it converts it into a bicarbonate HCO, b. carbonate... CO2- c. carbonic acid... H₂CO, d. calcium carbonate... CaCO which has a chemical formula of The addition of carbonic acid in the ocean shifts the pH slightly more acidic. To keep ocean water within the narrow pH range, the concentration of the weak base, the carbonate ion, increases. More carbonate ion is added to the ocean by the dissolution of calcium carbonate (CaCO3). From the opposite extreme, if more carbonate is added to the ocean, the pH would become more basic. To compensate, the mineral calcium carbonate (CaCO₂) would precipitate, removing the carbonate ion from the ocean 9. The ocean is a system a basic b. buffered e. acidic d. variable offers the system from becoming too by calcium carbonate.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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C ere- platform.virdocs.com/r/s/0/doc/1941719/sp/244855632/mi/716572953?cfi=%2F4%2F2%5BInvestigation 12B%5D%2F104 %5Bfig12B_2%5D%2F4&menu-table-of-conte... 1 ☆ x 135 145 154 166 176 188 200 211 222 231 242 255 264 Q236 L a. 7 b. 8 c. 9 d. 10 8. When the ocean absorbs carbon dioxide, it converts it into a. bicarbonate... HCO3 b. carbonate... CO,¹- c. carbonic acid... H.CO, d. calcium carbonate... CaCO3 Atmospheric carbon dioxide CO₂ Dissolved carbon dioxide CO₂ a. basic b. buffered. 1 + D Water H₂O Less acidic , which has a chemical formula of 2 Carbonic acid H,CO, Bicarbonate ions HCO, Deformed shells More acidic 3 A Hydrogen ions H Figure 128-2. Visualization of the process of increasing ocean acidification, showing the series of reactions due to increased uptake of CO₂ by the ocean that drives the chemical equilibrium toward the right (and to increased ocean acidity). The addition of dissolved CO₂ leads to more hydrogen ions in solution, both from dissociation of H₂CO₂ and HCO3, and a lower pH. As a result there are more (twice as many) added hydrogen ions (H") than there are carbonate ions (CO) and, since these ions all exists in equilibrium, some of these extra hydrogen ions in solution combine with carbonate ions to form bicarbonate. This removes carbonate ions from solution that are needed to build shells. A more acidic ocean environment can also break down existing carbonate shell structures. 7. Ocean water pH is on average by calcium carbonate. Carbonate ions CO,² The addition of carbonic acid in the ocean shifts the pH slightly more acidic. To keep ocean water within the narrow pH range, the concentration of the weak base, the carbonate ion, increases. More carbonate ion is added to the ocean by the dissolution of calcium carbonate (CaCO3). From the opposite extreme, if more carbonate is added to the ocean, the pH would become more basic. To compensate, the mineral calcium carbonate (CaCO3) would precipitate, removing the carbonate ion from the ocean. 9. The ocean is a system. c. acidic d. variable 10. As the ocean absorbs more carbon dioxide from the atmosphere, ocean water buffers the system from becoming too a. basic... forming b. basic dissolving. c. acidic... forming d. acidic... dissolving Oceanographers use the unique chemistry of the ocean to understand past climate events on the planet. By understanding past climate conditions, they make inferences about future conditions. IODP Leg 208 To explore the effect of the PETM on the planet, scientists set out on Leg 208 to collect six cores along the flank of the Walvis ridge, off the southwest coast of Africa. For more on Leg 208 visit Link 128-3. + DD - 4 4 0 @ p. 235 P. 236 4) ood > F12
Transcribed Image Text:C ere- platform.virdocs.com/r/s/0/doc/1941719/sp/244855632/mi/716572953?cfi=%2F4%2F2%5BInvestigation 12B%5D%2F104 %5Bfig12B_2%5D%2F4&menu-table-of-conte... 1 ☆ x 135 145 154 166 176 188 200 211 222 231 242 255 264 Q236 L a. 7 b. 8 c. 9 d. 10 8. When the ocean absorbs carbon dioxide, it converts it into a. bicarbonate... HCO3 b. carbonate... CO,¹- c. carbonic acid... H.CO, d. calcium carbonate... CaCO3 Atmospheric carbon dioxide CO₂ Dissolved carbon dioxide CO₂ a. basic b. buffered. 1 + D Water H₂O Less acidic , which has a chemical formula of 2 Carbonic acid H,CO, Bicarbonate ions HCO, Deformed shells More acidic 3 A Hydrogen ions H Figure 128-2. Visualization of the process of increasing ocean acidification, showing the series of reactions due to increased uptake of CO₂ by the ocean that drives the chemical equilibrium toward the right (and to increased ocean acidity). The addition of dissolved CO₂ leads to more hydrogen ions in solution, both from dissociation of H₂CO₂ and HCO3, and a lower pH. As a result there are more (twice as many) added hydrogen ions (H") than there are carbonate ions (CO) and, since these ions all exists in equilibrium, some of these extra hydrogen ions in solution combine with carbonate ions to form bicarbonate. This removes carbonate ions from solution that are needed to build shells. A more acidic ocean environment can also break down existing carbonate shell structures. 7. Ocean water pH is on average by calcium carbonate. Carbonate ions CO,² The addition of carbonic acid in the ocean shifts the pH slightly more acidic. To keep ocean water within the narrow pH range, the concentration of the weak base, the carbonate ion, increases. More carbonate ion is added to the ocean by the dissolution of calcium carbonate (CaCO3). From the opposite extreme, if more carbonate is added to the ocean, the pH would become more basic. To compensate, the mineral calcium carbonate (CaCO3) would precipitate, removing the carbonate ion from the ocean. 9. The ocean is a system. c. acidic d. variable 10. As the ocean absorbs more carbon dioxide from the atmosphere, ocean water buffers the system from becoming too a. basic... forming b. basic dissolving. c. acidic... forming d. acidic... dissolving Oceanographers use the unique chemistry of the ocean to understand past climate events on the planet. By understanding past climate conditions, they make inferences about future conditions. IODP Leg 208 To explore the effect of the PETM on the planet, scientists set out on Leg 208 to collect six cores along the flank of the Walvis ridge, off the southwest coast of Africa. For more on Leg 208 visit Link 128-3. + DD - 4 4 0 @ p. 235 P. 236 4) ood > F12
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