Law v. Theory Uncertainty and Significant Figures Cartoon courtesy of Lab-initio.com Uncertainty in Measurement A digit that must be estimated is called uncertain. A measurement…

Rules for Counting Significant Figures - Details Nonzero integers always count as significant figures. 3456 has 4 sig figs. Rules for Counting Significant Figures - Details…

Chemical Foundations Steps in the Scientific Method 1. Observations - quantitative - qualitative 2. Formulating hypotheses - possible explanation for the observation 3. Performing…

Chemistry Chapter 1 Introduction, Measurement, and Problem Solving Steps in the Scientific Method Problem/Purpose Reason we are doing this in the first place 2. Formulating…

Measurements in Chemistry Measurements and Calculations Steps in the Scientific Method 1. Observations - quantitative - qualitative 2. Formulating hypotheses - possible explanation…

Chapter 2 Measurements and Calculations Measurements and Calculations Unit 1 Chapter 2 Common SI Units SI System is set-up so it is easy to move from one unit to another.…

Slide 1 Chemical Foundations Nature of Measurement Part 1 - number Part 2 - scale (unit) Examples: 20 grams 6.63 x 10-34 Joule seconds Measurement - quantitative observation…

Unit 0: Observation, Measurement and Calculations Cartoon courtesy of NearingZero.net Precision and Accuracy Accuracy refers to the agreement of a particular value with the…

Unit 2: Significant Figures, Scientific Notation and Dimensional Analysis Cartoon courtesy of NearingZero.net Nature of Measurement - number - unit You must ALWAYS include…

Uncertainty in Measurements: Using Significant Figures & Scientific Notation Unit 1 Scientific Processes Steinbrink To understand how uncertainty in a measurement arises.…