Consider a Sample of Water in a Closed Container

question 66

Multiple Choice

Consider a sample of water in a closed container. When the reaction has reached equilibrium what can we say about any specific water molecule?

• A) If it was present in the liquid it will always remain in the liquid phase.
• B) If it was present in the vapor it will always remain in the vapor phase.
• C) It will sometimes be in the liquid phase and sometimes in the vapor phase.
• D) Both a and b are true.