Physics
Heat Energy
Calculate heat transferred for a temperature change.
Q = mcΔT
Formula Explanation
For a substance with approximately constant specific heat capacity, heat transfer is mass multiplied by specific heat capacity and temperature change.
Variables Explained
Q = Heat energy; m = Mass; c = Specific heat capacity; ΔT = Temperature change.
Solved Example
Heat 2 kg of water by 5°C using c = 4200 J/(kg·°C).
Q = 2 × 4200 × 5 = 42000 J.