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Engineering LibreTexts

3: Conservation of Mass for Single Component Systems

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  • In Chapter 1, we pointed out that much of chemical engineering is concerned with keeping track of molecular species during processes in which chemical reactions and mass transport take place. However, before attacking the type of problems described in Chapter 1, we wish to consider the special case of single component systems. The study of single component systems will provide an opportunity to focus attention on the concept of control volumes without the complexity associated with multi-component systems. We will examine the accumulation of mass and the flux of mass under relatively simple circumstances, and this provides the foundation necessary for our subsequent studies.

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