Multiple Choice
When propanol (C3H7OH) is burned in excess oxygen, what are the products of this reaction?
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3. Chemical Reactions
Combustion Analysis
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of the carbon cycle, what role does combustion play?
A
It removes carbon dioxide (CO_2) from the atmosphere by forming fossil fuels.
B
It converts carbon dioxide (CO_2) into glucose during photosynthesis.
C
It stores carbon dioxide (CO_2) in the ocean through dissolution.
D
It releases carbon dioxide (CO_2) into the atmosphere by burning organic matter.
Verified step by step guidance1
Understand the carbon cycle as the natural process by which carbon moves through the atmosphere, biosphere, oceans, and geosphere.
Recognize that combustion is the chemical process of burning organic matter, such as fossil fuels or biomass, which involves reacting carbon-containing substances with oxygen.
Recall that during combustion, carbon in organic matter reacts with oxygen (O_2) to form carbon dioxide (CO_2), releasing energy in the process.
Identify that this reaction increases the amount of CO_2 in the atmosphere, contributing to the carbon cycle by returning carbon stored in organic matter back to the air.
Conclude that combustion's role in the carbon cycle is to release CO_2 into the atmosphere by burning organic matter, rather than removing or storing it.
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