Chemistry – Chemical reactions - Reversible reactions and equilibrium | e-Consult
Chemical reactions - Reversible reactions and equilibrium (1 questions)
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The typical conditions used in the Haber process are:
- Temperature: Approximately 450 °C. This temperature is high enough to allow the reaction to occur at a reasonable rate, but not so high that the equilibrium is shifted too far to the left.
- Pressure: Approximately 20,000 kPa (or 200 atm). High pressure favours the formation of ammonia because there are fewer moles of gas on the product side (left side of the equation).
- Catalyst: An iron catalyst is used. This speeds up the reaction rate without being consumed itself. Iron promotes the breaking and forming of the N-H bonds.