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What happens to the temperature of a gas when it expands adiabatically?
What happens to the temperature of a gas when it expands adiabatically?
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Practice Questions
1 question
Q1
What happens to the temperature of a gas when it expands adiabatically?
It increases
It decreases
It remains constant
It depends on the gas
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During adiabatic expansion, a gas does work on its surroundings, which results in a decrease in temperature.
Questions & Step-by-step Solutions
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Q
Q: What happens to the temperature of a gas when it expands adiabatically?
Solution:
During adiabatic expansion, a gas does work on its surroundings, which results in a decrease in temperature.
Steps: 5
Show Steps
Step 1: Understand what adiabatic means. Adiabatic means that no heat is exchanged with the surroundings.
Step 2: Know that when a gas expands, it pushes against something (like a piston). This is called doing work.
Step 3: Realize that when the gas does work, it uses energy from itself.
Step 4: Since the gas is not getting heat from outside (adiabatic), it loses energy.
Step 5: When the gas loses energy, its temperature decreases.
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