chem200 - Chem 200 Dr. Saidane Lecture Notes Chap1, Part 2...

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Chem 200 Dr. Saidane Lecture Notes Chap1, Part 2 Measurements and Calculations The Scientific method is a systematic process of scientific inquiry. The scientific method is a series of steps. 1. Making observations and collecting data. 2. Formulating hypotheses. This step includes organizing and analyzing data, classifying, inferring, predicting. 3. Testing hypotheses. It includes predicting, experimenting, communicating, collecting data, and measuring. 4. Formulating theories that are supported by data. It includes constructing models, and predicting. SI Units are the metric units used internationally in scientific measurements. The SI system has seven base units. In chemistry we will mainly use the units for length, mass, temperature, and time. The SI unit for mass is the kilogram (kg), for length is the meter (m), for temperature is the Kelvin (K), and for time is the second (s). SI units can have
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chem200 - Chem 200 Dr. Saidane Lecture Notes Chap1, Part 2...

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