What is the ideal gas law and how do you use it?
Chemistry
ScanSolve AI Answer
The ideal gas law relates pressure, volume, temperature, and amount of gas:
PV = nRT
Where:
- P = pressure (atm or Pa)
- V = volume (L)
- n = moles of gas
- R = gas constant (0.0821 L·atm/mol·K)
- T = temperature in Kelvin (°C + 273.15)
Example: Find V when n = 2 mol, T = 300K, P = 1 atm:
V = nRT/P = (2)(0.0821)(300)/1 = 49.26 L
Remember: always convert temperature to Kelvin! This law assumes ideal behavior (no intermolecular forces, negligible particle volume).
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