CHE 201 Lecture 1: CHE 201 Study Guide through mideterm
Document Summary
C h e 201 s tud y g uide. C hapter 1: c hem is try-t he c entral s c ienc e. 1. 1 t he s tud y o f c hem is try. C hemis try: the s tudy of matter and the changes it undergoes. Matter: anything that has mas s and occupies s pace. A s ys tematic approach to experimentation. H ypothes is : a tentative explanation of a s et of obs ervations. T heory: a unifying principle that explains a body of experimental obs ervations and the laws that are bas ed on them. 1. 2 c las s ific ation of matter. Matter is either a s ubs tance or a mixture of s ubs tances. S ubs tance: matter with a definite (cons tant) compos ition and dis tinct properties: c an either be, e lements (iron, oxygen, mercury, c ompounds (s alt [s odium chloride], water, carbon dioxide [c o 2]
