Asked by kayla

Consider the temperature versus time graph below.

A graph of temperature versus time, with time in minutes as the horizontal axis and temperature in degrees Celsius as the vertical axis. 5 sections of line are labeled: 1 from 0 minutes, negative 80 degrees to 1, negative 40. 2: from 1, negative 40 to 3, negative 40. 3: from 3, negative 40 to 7, 360. 4: from 7, 360 to 15, 360. 5: from 15, 360 off the top at the chart at 18 minutes.

In which region is the substance in both the solid phase and the liquid phase?
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All Answers 1

Answered by GPT-5 mini AI
2

Region 2 is the plateau at −40°C, indicating a phase change (melting) where solid and liquid coexist.