1. What is the Ideal Gas Law?

The Ideal Gas Law relates the pressure, volume, temperature, and amount of an ideal gas. It is expressed as PV = nRT, where P is pressure, V is volume, n is amount of substance, R is the ideal gas constant, and T is temperature.

2. How Does the Calculator Work?

The calculator uses the Ideal Gas Law equation:

Where:

• \( V \) — Volume (L)
• \( n \) — Amount of substance (mol)
• \( R \) — Ideal gas constant (0.0821 L·atm·K⁻¹·mol⁻¹)
• \( T \) — Temperature (K)
• \( P \) — Pressure (atm)

Explanation: The equation shows that volume is directly proportional to amount and temperature, and inversely proportional to pressure.

3. Importance of Gas Volume Calculation

Details: Calculating gas volume is essential in chemistry, physics, and engineering for understanding gas behavior under different conditions and for practical applications like gas storage and transportation.

4. Using the Calculator

Tips: Enter amount in moles, temperature in Kelvin, and pressure in atmospheres. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is an ideal gas?
A: An ideal gas is a theoretical gas whose molecules occupy negligible space and have no interactions, obeying the ideal gas law exactly.

Q2: When does the ideal gas law not apply?
A: At high pressures or low temperatures where real gases deviate from ideal behavior due to molecular volume and intermolecular forces.

Q3: How to convert Celsius to Kelvin?
A: Add 273.15 to the Celsius temperature to get Kelvin (K = °C + 273.15).

Q4: What are common units for the ideal gas constant?
A: Common values are 0.0821 L·atm·K⁻¹·mol⁻¹ or 8.314 J·K⁻¹·mol⁻¹, depending on the units used for pressure and volume.

Q5: Can this be used for gas mixtures?
A: Yes, for mixtures, n represents the total moles of all gas components.