// multi-utility computation suite · offline · instant · precise
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sci.ideal-gas Calculator
Calculates ideal gas properties (P, V, n, T) using PV = nRT and predicts changes using combined gas law. R = 8.314 J/(mol·K) — at room temperature and 1 atm, ideal gas molar volume is 24.5 L/mol, close to the 22.4 L/mol at STP.
Inputs
P
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
V
Three-dimensional space occupied (m³ or L). 1 m³ = 1,000 L.
N
Reference formula or conversion factor shown for context.
T
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).