A sample of medium-grade bituminous coal analysis is as follows: соmponent percent 2 N 6 Ash Water 11 3 The residuum is C and H in the mole ratio H/C = 9. Calculate the composition of the coal with the ash and the moisture omitted.

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Basic Chemical Calculations (Process and Variables)

A basic chemical calculation involves the application of the law of chemical proportions to various reactions and material and energy balance calculations on various chemical processes. Basic chemical calculation helps students analyze various chemical processes and develop problem-solving skills. The chemical manufacturing processes are divided into unit operations involving physical changes of material and unit processes involving the chemical transformation of materials. For instance, fluid flow, heat transfer, and mass transfer are unit operations, and oxidation, reduction, and pyrolysis are unit processes.