What is a heating curve?
Heating and Cooling Curves

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Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A heating curve is a graphical representation that shows the change in temperature of a substance as it is heated over time, illustrating phase changes and temperature changes.
2.
FLASHCARD QUESTION
Front
What happens to temperature during a phase change?
Back
During a phase change, the temperature remains constant while the substance absorbs or releases heat.
3.
FLASHCARD QUESTION
Front
What is the melting point of a substance?
Back
The melting point is the temperature at which a solid becomes a liquid at a given pressure.
4.
FLASHCARD QUESTION
Front
In which regions of a heating curve does temperature increase?
Back
Temperature increases in regions where the substance is either solid or liquid, specifically in regions 1, 3, and 5.
5.
FLASHCARD QUESTION
Front
In which regions of a heating curve does a phase change occur?
Back
Phase changes occur in regions 2 and 4 of the heating curve.
6.
FLASHCARD QUESTION
Front
What is the boiling point of a substance?
Back
The boiling point is the temperature at which a liquid becomes a gas at a given pressure.
7.
FLASHCARD QUESTION
Front
What is the significance of the plateau in a heating curve?
Back
The plateau indicates a phase change where temperature remains constant as the substance transitions from one phase to another.
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