What is the ideal gas law and how do you use it?

Chemistry

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Answer

nRT

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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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…

What is the ideal gas law and how do you use it?
Chemistry

This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

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).