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Suppose you have a small sample of a pure substance in a containment vessel. You add heat to the substance at a fixed rate, and your laboratory equipment measures the corresponding changes in the substance's temperature. Your data produces in the following graph.
You notice five distinct portions of the graph, and you label each with a roman numeral.
What do you observe about the relationship between temperature and time, as shown on the graph?
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EXTRA 35 POIN TO ANSWER WITHIN 30 MIN!!!
Suppose you have a small sample of a pure substance in a...
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