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Chemistry, 01.12.2021 23:40 adriandehoyos1p3hpwc

A scientist heats an unknown substance in a closed system. The graph shows the change in temperature over time and labels for five time
periods.
E
D
Temperature
B
С
Time
During which time periods is the substance shown in the graph changing
state?

A scientist heats an unknown substance in a closed system. The graph

shows the change in temperat

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