Multiple Choice
Using the given data, calculate the mass of gas produced in the reaction.
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7. Gases
Gas Stoichiometry
Multiple Choice
Which of the following processes releases carbon dioxide into the atmosphere during gas evolution reactions?
A
Formation of ozone in the stratosphere
B
Photosynthesis in plants
C
Dissolution of carbonates in water
D
Combustion of hydrocarbons
Verified step by step guidance1
Identify the process that involves a chemical reaction where carbon dioxide (CO₂) is a product. In this case, we are looking for a process that releases CO₂ into the atmosphere.
Understand that combustion is a chemical reaction that typically involves a hydrocarbon reacting with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O).
Write the general chemical equation for the combustion of a hydrocarbon:
Compare the given processes: Formation of ozone, photosynthesis, dissolution of carbonates, and combustion. Note that combustion is the only process that directly involves the release of CO₂ as a product.
Conclude that the combustion of hydrocarbons is the process that releases carbon dioxide into the atmosphere during gas evolution reactions.
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