1. A labelled flowchart of a continuous steady-state twounit process is shown below. Each stream contains two components, A and B, in different proportions. Three streams whose flow rates and/or compositions are not known are labelled 1.2 and 3. 30 kg/h 0.60 kg A/kg 0.40 kg B/kg 40 kg/h 0.90 kg Alka 0.10 kg B/kg 100 kg/h 0.50 kg A/kg 0.50 kg B/kg 30 kg/h 0.30 kg Alkg 0.70 kg B/kg Calculate the unknown flow rates and compositions of streams 1, 2 and 3.

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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.