CHEM 06100 Lecture Notes - Lecture 2: Scientific Notation
31 Oct 2017
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1. 3 scientific method: observations- pieces of quantitative information (data, hypothesis-proposal made to explain on observation, experiment- a set of procedural steps that test a hypothesis, often leads to a revised hypothesis and new experiments to test it. An experiment typically contains at least two variables, quantities that can have more than one value: model- formulating theories based on experiments that test hypothesis about observations distinguishing scientific thinking from speculations. The si system has seven fundamental units or base units, each identifies with a physical quantity. For quantities, much smaller or larger than the base unit, we use decimal prefixes and exponential (scientific notation: volume- any sample of matter that has a certain volume, the amount of space it occupies. The si unit of volume is the cubic meter (m3)
