Persamaan gas ideal
\(\text{P} \:.\: \text{V} = \text{n} \:.\: \text{R} \:.\: \text{T}\)
P = tekanan gas (dalam satuan atm)
1 atm = 76 cmHg
V = volume gas (dalam satuan liter)
1 liter = 1 dm³
n = jumlah mol gas
R = konstanta = 0,082
T = suhu gas (dalam satuan Kelvin)
Kelvin = Celcius + 273