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Question: Simple and Fractional Distillation
Answer: Distillation is the conversion of a substance or mixture of substances into vapors, which are afterwards condensed to the liquid form. The goal of distillation is the separation or purification of substances by taking advantage of differences in volatility. The apparatus consists of three parts: the retort or still, in which, the substance is heated; the condenser, in which the vapours are condensed; and the receiver, in which the condensed vapours are collected. Generally the components of a mixture will be vaporized in the order of their boiling points; consequently if the condensates or fractions corresponding to definite ranges of temperature were separately collected, it is obvious that a more or less partial separation of the components will, be affected....(short extract)
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Details: Mark: Not available | Subject: Chemistry | Course: Chemistry | Level: A-Level | Year: Not applicable | Document type: Essay* | Words: 944 | References: Yes | Date written: October, 2004 | Date submitted: March 13, 2009 | Essay ID: 986
