The Thermodynamic Definition of Heat
What happens when you leave a cup of ice water in a room at 25oC?
What happens when you leave a cup of hot tea in a room at 25oC?
- The ice will melt and then the water will get warmer.
- The hot tea will get cooler.
- This will continue until both liquids reach room temperature.
Heat
:Energy in transition from one object or system to another driven by a temperature difference between the objects or systems.
Cup of
ice water
Cup of
hot tea
2 kJ
heat
heat
Surrounding Air
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