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Reduced Pressure of Wohl's Real Gas using other Actual and Critical Parameters Calculator

Reduced Pressure Formula:

\[ P_r = \frac{P_{gas}}{\left(\frac{4 \cdot [R] \cdot T'_c}{15 \cdot V'_c}\right)} \]

Pa
K
m³/mol

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1. What is Reduced Pressure of Wohl's Real Gas?

Definition: Reduced pressure is the ratio of the actual pressure of a gas to its critical pressure, used in thermodynamic calculations with real gases.

Purpose: It helps in applying corresponding states principle to predict properties of real gases using reduced parameters.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ P_r = \frac{P_{gas}}{\left(\frac{4 \cdot R \cdot T'_c}{15 \cdot V'_c}\right)} \]

Where:

Explanation: The formula relates the actual pressure to reduced pressure using critical parameters of the gas.

3. Importance of Reduced Pressure Calculation

Details: Reduced properties are essential for applying the principle of corresponding states, which allows prediction of gas behavior based on critical parameters.

4. Using the Calculator

Tips: Enter the actual gas pressure, critical temperature, and critical molar volume. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is the range for reduced pressure?
A: Reduced pressure typically ranges from 0 to 1, where 1 represents the critical pressure.

Q2: Why use reduced parameters?
A: Reduced parameters allow comparison of different gases at similar thermodynamic states.

Q3: What's a typical critical temperature range?
A: Critical temperatures vary widely, from 33K for hydrogen to 647K for water.

Q4: How accurate is this calculation?
A: Accuracy depends on the input values and how well the gas follows Wohl's equation of state.

Q5: Can I use this for any gas?
A: This is specifically for gases following Wohl's model. Different models may require different formulas.

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