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CHM 1045 SPRING 2010 EXAM 1 STUDY GUIDE

CHM 1045 SPRING 2010 EXAM 1 STUDY GUIDE - CHM 1045 SPRING...

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CHM 1045 SPRING 2010 EXAM 1 STUDY GUIDE Chapter 1: (1.3-1.8) 1.3. Matter: elements, compounds and mixtures Define matter, mass and weight. Define homogeneous and heterogeneous mixtures, pure substances, compounds and elements. Physical and chemical changes. 1.4. Properties of matter can be classified in different ways Physical and chemical properties Intensive and extensive properties States of matter Chemical and physical changes 1.5. Measurements are essential to describe properties Qualitative and quantitative observations SI units – know the base SI units and the prefixes indicating multiples and subdivisions SI derived units Non SI units of common use Units of length, volume, mass, temperature conversions. Temperature conversions 1.6. Measurements always contain some uncertainty Significant figures: be able to determine the number of significant figures in measurements and apply them in calculations Exact numbers – define 1.7. Factor-labeled method (dimensional analysis)
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