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Balance chemical reaction and compute material balance
This Python program is used to balance a chemical reaction and to compute the material balance.
Furthermore, it's able to check molecules and to write the condensed strutural formula from the name of an organic molecule. (Those both functionalities are still limited.)
...GnuPinch can calculate heat exchanger networks (HEN) with minimum energy requeriments and minimum cost. It also can calculate other parameters of the pinch analysis of a chemical process.