Which of the following statements is true about the phase transition from liquid to gas?
Practice Questions
1 question
Q1
Which of the following statements is true about the phase transition from liquid to gas?
It is an exothermic process
It requires energy input
It occurs at constant pressure only
It decreases entropy
The phase transition from liquid to gas (vaporization) requires energy input (endothermic process).
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following statements is true about the phase transition from liquid to gas?
Solution: The phase transition from liquid to gas (vaporization) requires energy input (endothermic process).
Steps: 5
Step 1: Understand what a phase transition is. A phase transition is when a substance changes from one state of matter to another, like from liquid to gas.
Step 2: Identify the specific phase transition in the question. Here, we are looking at the transition from liquid to gas, which is called vaporization.
Step 3: Learn about energy requirements during this transition. When a liquid turns into a gas, it needs energy to break the bonds between the molecules.
Step 4: Recognize that this energy input is called an endothermic process. This means that the substance absorbs heat from its surroundings.
Step 5: Conclude that the statement about the phase transition from liquid to gas requiring energy input is true.
