There Is Concern That the Combustion of Fossil Fuels Such

question 139

Multiple Choice

There is concern that the combustion of fossil fuels such as coal and petroleum contributes to climate change by adding carbon dioxide to the atmosphere.Several factors need to be considered, including the environmental values of different fuels.Estimate the environmental value of coal compared to gasoline from the following information.The environmental value is defined as the amount of energy obtained per mole of carbon dioxide produced, so a larger environmental value is better.Assume that all carbon is fully oxidized to carbon dioxide.

• A)coal = 23.1 kJ/mol, gasoline = 47.9 kJ/mol is better
• B)coal = 386 kJ/mol is better, gasoline = 2.86 kJ/mol
• C)coal = 182 kJ/mol is better, gasoline = 152 kJ/mol
• D)coal = 325 kJ/mol, gasoline = 683 kJ/mol is better
• E)coal = 527 kJ/mol is better, gasoline = 224 kJ/mol

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Definitions:

Return On Total Assets

A financial ratio indicating the profitability of a company relative to its total assets, measuring how efficiently a company uses its assets to generate profit.

Year 2

Typically refers to the second year in a given context, such as the second year of a business, investment, or educational program.

Gross Margin Percentage

A financial metric that measures the difference between revenue and cost of goods sold as a percentage of revenue.

Year 2

Generally refers to the second year of a specific time period, such as a fiscal or calendar year.