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4) Explain how can bioenergy maintain a closed carbon dioxide cycle. Show transcribed image text
Question Why is the carbon cycle no longer able to maintain the levels of carbon dioxide in the atmosphere? Select the correct answer below: O the increase in the burning of oil, which increases the level of carbon dioxide produced and released into the atmosphere O the increase in the burning of coal, which increases the level of carbon dioxide produced and released into the atmosphere O the increased use of limestone, which releases carbon dioxide into the atmosphere O...
4. Explain how calcareous waters which are in contact with atmospheric carbon dioxide have a nearly neutral pH. Refer to specific chemical equations in your answer.
Carbonic acid can form water and carbon dioxide upon heating. How much carbon dioxide is formed from 12.4 g of carbonic acid? H2CO3 → H2O + CO2
4. Carbon dioxide can be generated by the reaction of hydrochloric acid with calcium carbonate. How many milliliters of dry CO, at 20.0 °C and 755 torr can be prepared from a mixture of 32.1 g of Caco, and 203 mL of 0.245 M HCI?
6. Using 4-nitrotoluene, sodium cyanide and carbon dioxide as the only sources of carbon, show how you would prepare; a. 4-nitrobenzoic anhydride. b. 4-nitrophenylacetic acid. Give two possible synthetic routes.
1. A solution of carbon dioxide in water is slightly acidic. Show how this can occur by using a balanced chemical equation for the reaction of CO2 and water.
Explain how the increase of carbon dioxide in the atmosphere could result in a reduction of whale populations in the ocean.
explain how most carbon dioxide is carried in the blood. ( this question is not asking about which vessels blood flows through).
Explain how the PO2 differences in the systemic and pulmonary capillaries affects carbon dioxide transport in the blood.
When 0.149 mol of carbon is burned in a closed vessel with 8.73 g of oxygen, how many grams of carbon dioxide can form?