Physical properties of pure substances

The material in this section is divided into three parts. The first subsection deals with the general characteristics of chemical substances. The second subsection is concerned with the chemistry of petroleum it contains a brief review of the nature, composition, and chemical constituents of crude oil and natural gases. The final subsection touches upon selected topics in physical chemistry, including ideal gas behavior, the phase rule and its applications, physical properties of pure substances, ideal solution behavior in binary and multicomponent systems, standard heats of reaction, and combustion of fuels. Examples are provided to illustrate fundamental ideas and principles. Nevertheless, the reader is urged to refer to the recommended bibliography [47-52] or other standard textbooks to obtain a clearer understanding of the subject material. Topics not covered here owing to limitations of space may be readily found in appropriate technical literature. 

Heats of reaction generally will not be found in databases under chemical safety . They can either be found in special databases on chemical reactions and reaction conditions or they can be calculated using the heat of formation of the substances involved. Heats of formation usually are found in numerical databases covering physical properties of pure substances and mixtures. 

Perry, R.H. Green, D.W. Physical properties of pure substances. Chemical Engineers Handbook McGraw-Hill New York, 1999. 

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