Temperature vs Energy Graph
The first segment on the graph has a positive slope, pointing at a diagonal to the upper right corner. The second segment which is marked as "A" points horizontally straight across. The third segment marked as "B" has a positive slope, pointing at a diagonal to the upper right corner. The fourth segment marked as "C" points horizontally straight across. The fifth segment marked as "D" has a positive slope, pointing at a diagonal to the upper right corner
Which statement best describes what is occurring at segment C?
A. As energy increases, the temperature remains the same.
B. As energy increases, temperature also increases.
C. As temperature increases, energy remains the same.
D. Energy and Temperature remain the same.
1 answer
Segment C of the graph, which is marked as horizontal, indicates that the temperature remains constant while energy is being added. This represents the phase change from liquid to gas (in the case of water, it's the transition from boiling water to steam) where the added energy is used to change the phase rather than increase temperature.
Therefore, the statement that best describes what is occurring at segment C is:
A. As energy increases, the temperature remains the same.
