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What is the enthalpy change when 1 mole of water vapor condenses to liquid water
What is the enthalpy change when 1 mole of water vapor condenses to liquid water?
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Q1
What is the enthalpy change when 1 mole of water vapor condenses to liquid water?
It is positive.
It is negative.
It is zero.
It is dependent on pressure.
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The condensation of water vapor to liquid water releases heat, making the enthalpy change negative.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the enthalpy change when 1 mole of water vapor condenses to liquid water?
Solution:
The condensation of water vapor to liquid water releases heat, making the enthalpy change negative.
Steps: 4
Show Steps
Step 1: Understand that enthalpy change refers to the heat energy change during a process.
Step 2: Identify the process: condensing water vapor (gas) into liquid water.
Step 3: Recognize that condensation is an exothermic process, meaning it releases heat.
Step 4: Conclude that since heat is released, the enthalpy change will be negative.
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