Multiple Choice
Which of the following processes releases carbon dioxide to the atmosphere?
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3. Chemical Reactions
Combustion Analysis
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During combustion, which of the following typically accompanies the rapid oxidation of a substance?
A
Decrease in temperature
B
Formation of precipitate
C
Release of heat and light
D
Absorption of energy
Verified step by step guidance1
Understand that combustion is a chemical reaction where a substance rapidly reacts with oxygen, typically producing heat and light.
Recall that during combustion, the oxidation process is exothermic, meaning it releases energy rather than absorbing it.
Recognize that a decrease in temperature is unlikely because exothermic reactions increase the temperature of the surroundings.
Note that formation of a precipitate is not typical in combustion since the products are usually gases like CO\_2 and H\_2O.
Conclude that the rapid oxidation in combustion is accompanied by the release of heat and light, which is characteristic of this reaction type.
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