Question A) One gallon of gasoline in an automobiles engine produces on average 9.50 kg of carbon dioxide, which is a greenhouse gas; that is, it promotes the warming of Earth’s atmosphere. Calculate the annual production of carbon dioxide in kilograms if there are exactly 40.0 million cars in the United States and each car covers a distance of 7670 mi at a consumption rate of 21.0 miles per gallon. Enter your answer in scientific notation. B) Enter your answer in scientific notation. The world’s total petroleum reserve is estimated at 2.1 ×1022J (joule is the unit of energy where 1 J = 1 kg m2/s2). At the present rate of consumption, 1.8 ×1020J/yr, how long would it take to exhaust the supply?
Question
A)One gallon of gasoline in an automobiles engine produces on average 9.50 kg of carbon dioxide, which is a
greenhouse gas; that is, it promotes the warming of Earth’s atmosphere. Calculate the annual production of carbon dioxide in kilograms if there are exactly 40.0 million cars in the United States and each car covers a distance of 7670 mi at a consumption rate of 21.0 miles per gallon. Enter your answer in scientific notation.
B)
| Enter your answer in scientific notation. The world’s total petroleum reserve is estimated at 2.1 ×1022J (joule is the unit of energy where1 J = 1 kg m2/s2). At the present rate of consumption, 1.8 ×1020J/yr, how long would it take to exhaust the supply? |
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