Chemistry
Enthalpy Calculator
Lets users compute and verify enthalpy instantly with formula, steps and examples — no manual math.
Enter your details
g
J/g·°C
°C
Your result
Heat (enthalpy change)
10,450 J
q = mcΔT = 100 × 4.18 × 25 = 10450 J.
In kilojoules
10.45 kJ
About this calculator
Calorimetry: q = m·c·ΔT (mass × specific heat × temperature change). Positive q is endothermic (absorbs heat), negative is exothermic. Water's specific heat is 4.18 J/g·°C.
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