Actual Molar Volume of Wohl's Real Gas using other Actual and Reduced Parameters Calculator

Formula Used:

\[ V'_m = V'_r \times \left( \frac{4 \times [R] \times \left( \frac{T_{rg}}{T_r} \right)}{15 \times \left( \frac{P_{rg}}{P_r} \right)} \right) \]

Reduced Molar Volume for P-R Method:

m³

Temperature of Real Gas:

Reduced Temperature:

Pressure of Gas:

Reduced Pressure:

Molar Volume of Real Gas (m³):

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1. What is Actual Molar Volume of Wohl's Real Gas?

Definition: This calculator computes the actual molar volume of a real gas using Wohl's equation of state and reduced parameters.

Purpose: It helps in thermodynamic calculations where real gas behavior deviates from ideal gas assumptions.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V'_m = V'_r \times \left( \frac{4 \times [R] \times \left( \frac{T_{rg}}{T_r} \right)}{15 \times \left( \frac{P_{rg}}{P_r} \right)} \right) \]

Where:

\( V'_m \) — Molar Volume of Real Gas (m³)
\( V'_r \) — Reduced Molar Volume (m³)
\( [R] \) — Universal gas constant (8.314 J/mol·K)
\( T_{rg} \) — Temperature of Real Gas (K)
\( T_r \) — Reduced Temperature
\( P_{rg} \) — Pressure of Gas (Pa)
\( P_r \) — Reduced Pressure

3. Importance of Molar Volume Calculation

Details: Accurate molar volume calculations are essential for designing chemical processes, storage systems, and understanding gas behavior under various conditions.

4. Using the Calculator

Tips: Enter all required parameters in appropriate units. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What are reduced parameters?
A: Reduced parameters are dimensionless quantities representing the ratio of actual parameters to their critical values.

Q2: When should I use Wohl's equation instead of ideal gas law?
A: Use Wohl's equation when dealing with high pressures or low temperatures where gas behavior significantly deviates from ideal.

Q3: What are typical units for these calculations?
A: Standard SI units are used - m³ for volume, K for temperature, and Pa for pressure.

Q4: How accurate is this calculation?
A: Accuracy depends on the gas and conditions. Wohl's equation provides better accuracy than ideal gas law but may not be as precise as more complex equations of state for all conditions.