Turn in Homework Journal: Warm Up 1. Explain the difference between a physical and chemical change. 2. Explain the difference between homogenous and heterogeneous mixtures.…
CH 2: Scientific Measurement Renee Y. Becker CHM 1025 Valencia Community College * Measurements Measurement A number with an attached unit Examples: 15 inches 3 cups 36 cm…
Significant Figures Measured Numbers When you use a measuring tool is used to determine a quantity such as your height or weight, the numbers you obtain are called measured…
Honors General Chemistry 1050 [03] Chapter 1. Review of General Knowledge Chemistry is the study of matter and its properties, the changes that matter undergoes, and the…
Chapter Two Measurements In Chemistry Measurements in Chemistry Measurements answer questions such as How Much? How Long? How Many? Measurements have 2 parts: ___________…
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Significant Figures Any digit that is not zero is significant 1.234 kg 4 significant figures Zeros between nonzero digits are significant 606 m 3 significant figures Zeros…
SI Units SI Units We want things uniform Here are the standard SI Units Meter length m Kilogram mass kg Second time s Kelvin temperature K Mole amount n Kilojoule Energy…