The temperature change is 60°C
A temperature change occurs when temperature is increased or decreased by the flow of heat.
This shifts chemical equilibrium toward the products or reactants, which can be determined by studying the reaction and deciding whether it is endothermic or exothermic.
The material was cooled from 100°C to 40°C
The temperature change can be calculated as
ΔT = 100°-40° = 60°C
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