Calculate the final temperature when two substances at different temperatures are mixed.
Substance 1
kg
J/(kg路K)
掳C/K
Substance 2
kg
J/(kg路K)
掳C/K
Calculation Results
Enter parameters for both substances
About this calculator
Quick Reference
TfFinal Temperature
mMass
cSpecific Heat
TInitial Temperature
Overview
Thermal equilibrium occurs when two substances at different temperatures are placed in contact and exchange heat until they reach a common final temperature.
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Pro Tips
Specific heat of water: 4186 J/(kg路K).
Specific heat of iron: 450 J/(kg路K).
This formula assumes no heat loss to the surroundings.
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Fun Facts
"The Zeroth Law of Thermodynamics defines thermal equilibrium."
"Oceans act as a huge heat sink, reaching equilibrium with the atmosphere slowly."
"Most thermometers work by reaching thermal equilibrium with the object they are measuring."
