![]() Understanding the relationship between the masses of atoms and the chemical formulas of compounds allows us to quantitatively describe the composition of substances. For example, Dalton’s atomic theory was an attempt to explain the results of measurements that allowed him to calculate the relative masses of elements combined in various compounds. We can argue that modern chemical science began when scientists started exploring the quantitative as well as the qualitative aspects of chemistry. ECOS 2004 - 17th International Conference on Efficiency, Costs, Optimization, Simulation, and Environmental Impact of Energy on Process Systems. "Optimum design of multi-stage isotope separation process by exergy analysis".
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