Chemistry, 08.05.2021 23:50 tumadreeve7852
You are driving to a snowboarding trip in the mountains. It is significantly colder there and you must be careful not to get dizzy because the air pressure is lower and there is less oxygen. After snowboarding all day you go back to your car only to discover that it will not turn on. The battery seems to be dead. What has likely happened? A. The pressure is not high enough for the electrical current to flow in the right direction and the battery has stalled. B. The low pressure has slowed the reaction that produces electricity and it cannot generate enough current to start the car. C. The cold temperature has slowed the reaction that produces electricity and it cannot generate enough current to start the car. D. There is not a high enough concentration of oxygen for the electricity generating reaction in the battery to occur.
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In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
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Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
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