'Last sig fig' diaporamas de présentation

Measurement

Measurement. Scientific measurement. Number vs. Quantity. Quantity - number + unit. UNITS MATTER!!. Courtesy Christy Johannesson www.nisd.net/communicationsarts/pages/chem. Types of measurement. Quantitative - use numbers to describe Qualitative - use description without numbers 4 feet

1.56k views • 136 slides

The Numerical Side of Chemistry

The Numerical Side of Chemistry. Chapter 2. Types of measurement. Quantitative - use numbers to describe 4 feet 100 ? F Qualitative - use description without numbers extra large Hot. Scientists prefer. Quantitative- easy check Easy to agree upon, no personal bias

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CHAPTER 2

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Chapter 2

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Matter and Measurement

Matter and Measurement. Ch 1 Brown, LeMay. The Basics (1.2 & 1.3). States of Matter Solid Liquid Gas Plasma Bose-Einstein Condensate (BEC) Particle Spacing Particle Movement Energy. Classification of Matter. Classification of Matter. Classification of Matter.

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Chirp! Chirp! Welcome!

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Chapter 3: Scientific Measurement

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Significant Figures

Significant Figures. Factor Name Symbol Factor Name Symbol. 10 -1 decimeter dm 10 1 decameter dam 10 -2 centimeter cm 10 2 hectometer hm 10 -3 millimeter mm 10 3 kilometer km

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Significant Figures Density % Error

Significant Figures Density % Error. Significant Figures. The number of digits reported in a measurement. All the known digits plus one estimated value. The number of significant figures possible depends upon the piece of equipment used to take the measurement. Significant Figures.

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Data Collection Mean, Mode, Median, & Range Standard Deviation

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Significant Figures

Significant Figures. When we take measurements or make calculations, we do so with a certain precision. This precision is determined by the instrument we use to take those measurements. So, when we do calculations based on our measurements, the calculations must be as precise as the measurements.

841 views • 13 slides

Significant Figures in Mathematical Operations

Significant Figures in Mathematical Operations. The result of the mathematical operation cannot be expressed to any greater degree of certainty than the measured values used in the operation. In a series of calculations ~. Carry the extra digits through the final results, then round

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Significant Figures in Calculations

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