Exam 3: The Chemistry of Global Climate Change

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Scientists believe they know the average global temperature over the last 160,000 years.Which property of the ice core samples from Antarctica provides this information?

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Which of the following has the lowest albedo?

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The Industrial Revolution is a key point in the Earth's atmospheric history because

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LP gas (liquid propane,C3H8)is the fuel used in gas grills as well as a main source of heat energy for many rural residences.What is the mass of 5.83 × 1017 molecules of liquid propane?

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Which explanation accounts for the fact that,on average,cloudy nights are warmer than clear nights?

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What is the mass of exactly 500 sulfur atoms?

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Although carbon dioxide is the primary compound discussed with respect to global warming;of the common atmospheric components the global warming potential (GWP)of a carbon dioxide molecule is very low.Which statement best explains this pair of facts?

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Although greenhouse gases likely account for the problem of global warming,they are also responsible for making earth habitable.What would be the temperature on earth in the absence of the effects of carbon dioxide and water?

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In order to make useful predictions,which factors must be accounted for by climatic models? I.Cooling effect of atmospheric aerosols II.Smoke,haze,and cloud cover III.Change in land use IV.Combustion of fossil fuels

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What,approximately,is the highest concentration of CO2 measured in the Earth's atmosphere in modern times?

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Which vibrational mode for carbon dioxide is not expected to contribute to the greenhouse effect?

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Scientists have correlated average global temperature with atmospheric carbon dioxide levels for the last 160,000 years using ice cores from Antarctica.How is the carbon dioxide level determined?

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If the average temperature of earth is currently 15.0°C,what does the NOAA model (the line in the graph)predict for the average global temperature in 2080? If the average temperature of earth is currently 15.0°C,what does the NOAA model (the line in the graph)predict for the average global temperature in 2080?

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The greenhouse and enhanced greenhouse effects refer to the return of approximately ___ percent and greater than ___ percent of the heat radiated by Earth.

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Calculate the mass of CO2 produced by the combustion of a tank of gasoline.Assume the mass of gasoline is 46.0 kg and that gasoline is pure octane (C8H18);

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Neither N2 nor O2 are greenhouse gases because

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Which country has the highest per capita emission of carbon dioxide?

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Which conclusion was considered "very likely" in the 2007 report of the Intergovernmental Panel on Climate Change?

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Which characteristics pertain to the problem of global warming? I.Possible consequences include altered climate and increased sea level. II.Heat energy radiated by the earth is captured by atmospheric molecules. III.Increased skin cancer incidence and damage to radiation sensitive species has been observed. IV.The concentration of stratospheric ozone is declining.

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The history of average global temperature for the last 160,000 years is derived from isotopic analysis of ice layers in Antarctica.Scientists study the ______ ratio in ______.

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