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Temperature of Reaction given Equilibrium Constant of Pressure and Gibbs Energy Calculator

Temperature Formula:

\[ T = \frac{G}{-2.303 \times [R] \times \ln(K_p)} \]

J
mol/m³

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1. What is Temperature of Reaction Calculator?

Definition: This calculator determines the reaction temperature based on Gibbs free energy and the equilibrium constant for partial pressure.

Purpose: It helps chemists and chemical engineers calculate the temperature required for a reaction given thermodynamic parameters.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T = \frac{G}{-2.303 \times [R] \times \ln(K_p)} \]

Where:

Explanation: The formula relates the thermodynamic driving force (Gibbs energy) to the equilibrium state at a given temperature.

3. Importance of Temperature Calculation

Details: Knowing the reaction temperature is crucial for process design, safety considerations, and optimizing reaction conditions.

4. Using the Calculator

Tips: Enter Gibbs free energy in Joules and equilibrium constant in mol/m³. The equilibrium constant must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is Gibbs Free Energy?
A: It's a thermodynamic potential that measures the maximum reversible work that may be performed by a system at constant temperature and pressure.

Q2: Why is the natural logarithm used?
A: The natural logarithm relates the equilibrium constant to the thermodynamic quantities in the equation.

Q3: What units should I use for Gibbs Free Energy?
A: The calculator expects Gibbs Free Energy in Joules (J).

Q4: Can I use different units for the equilibrium constant?
A: The calculator expects mol/m³. Convert your units before entering the value.

Q5: What if I get a negative temperature?
A: Negative temperatures are not physically meaningful. Check your input values for errors.

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