Question
Which is the best interpretation of the two flat portion of the graph A these shows were thermal energy does not exist B these shows were changes of state are occurring C The show where kinetic energy is increasing D The show were temperature is 0 C
Answers
GPT-4o mini
The best interpretation of the two flat portions of a graph that typically represents a substance's temperature versus energy (or time) is:
**B. These show where changes of state are occurring.**
In such graphs, the flat portions indicate periods during which the temperature remains constant as the substance undergoes a phase change (for example, melting or boiling), even though energy is being added or removed. During these changes, the energy is used to change the state of the substance rather than to increase its temperature.
**B. These show where changes of state are occurring.**
In such graphs, the flat portions indicate periods during which the temperature remains constant as the substance undergoes a phase change (for example, melting or boiling), even though energy is being added or removed. During these changes, the energy is used to change the state of the substance rather than to increase its temperature.