What is the enthalpy change when 1 mole of water vapor condenses to liquid water?
Correct Answer: -40.79 kJ/mol
- 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.
No concepts available.
