// multi-utility computation suite · offline · instant · precise
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sci.heat-capacity-Dulong-Petit Calculator
Calculates molar heat capacity using the Dulong-Petit law: C_v ≈ 3R = 24.9 J/(mol·K), valid for most solids at room temperature. Dulong-Petit breaks down below the Debye temperature — diamond (θ_D = 2,230 K) has C_v = 6.1 J/(mol·K) at 25 °C, far below 3R.
Inputs
M G Mol
Mass of one mole of the substance (g/mol). Found by summing atomic weights. Converts between grams and moles.
T K
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
N Atoms
Reference formula or conversion factor shown for context.
Theta D K
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).