Exam (elaborations)
CHEM 10ESolutions Manual to Zumdahl Chemistry 10e.
19. A law summarizes what happens, e.g., law of conservation of mass in a chemical reaction or the ideal gas law, PV = nRT. A theory (model) is an attempt to explain why something happens. Dalton’s atomic theory explains why mass is conserved in a chemical reaction. The kinetic molecular theor...
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