Haber Process – Advanced

Produced by Newbyte Educational Software

Chemistry teachers would find this CD-ROM a useful graphic simulation tool for teaching the Haber process, a method of ammonia production, which is part of both the O- and A-level syllabus.

There are two types of screens which simulate the process at different levels. To examine the cyclic nature of the Haber process, select a model screen.

This screen allows you to look at the effect of variables such as temperature, pressure and presence of catalysts on the reaction rate and the economics of ammonia production.

Alternatively, one can also switch to the reactor screen, which allows you to have control over the same variables while, at the same time, observing the reaction at the molecular level.

This program also allows users to explore the effect of different variables on the amount of reactants and product at equilibrium, the rate of forward and backward reactions, the production rate, and the cost of ammonia. Both the variables and their units can be easily modified, in the form of discrete data as well as graphical display.

This software is a useful complement for explaining the concept of reversible/equilibrium reactions in the Haber process and Le Chatelier’s Principle in a concrete way. It is best used as a visual tool for presenting the Haber process at the molecular level, for demonstrating the effect of various variables on the reaction rate and equilibrium position, and for illustrating the need to balance the reaction rate and equilibrium position for both energy and cost considerations.

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