'2 significant figures' presentation slideshows

ANALYTICAL CHEMISTRY CHEM 3811 CHAPTERS 1 AND 3 (REVIEW)

ANALYTICAL CHEMISTRY CHEM 3811 CHAPTERS 1 AND 3 (REVIEW). DR. AUGUSTINE OFORI AGYEMAN Assistant professor of chemistry Department of natural sciences Clayton state university. CHAPTERS 1 AND 3 MEASUREMENTS, SIGNIFICANT FIGURES ERRORS, STOICHIOMETRY, CONCENTRATIONS. ANALYTICAL CHEMISTRY.

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Introductory Chemistry:

Introductory Chemistry:. Chapter 1. Chemistry and You. Lab Safety Symbols Identify the following symbols. A. B. C. D. E. F. G. H. I. What is the definition of chemistry? Study of all substances and the changes they undergo. Learning Chemistry.

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Chapter Two

Fundamentals of General, Organic, and Biological Chemistry 5th Edition. Chapter Two. Measurements in Chemistry. James E. Mayhugh Oklahoma City University ? 2007 Prentice Hall, Inc. Outline. 2.1 Physical Quantities, Metric System 2.2 Measuring Mass

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Chapter Two

Fundamentals of General, Organic, and Biological Chemistry 5th Edition. Chapter Two. Measurements in Chemistry. James E. Mayhugh Oklahoma City University ? 2007 Prentice Hall, Inc. Outline. 2.1 Physical Quantities, Metric System 2.2 Measuring Mass

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Chapter Two

Chapter Two. Measurements in Chemistry. Outline. 2.1 Physical Quantities 2.2 Measuring Mass 2.3 Measuring Length and Volume 2.4 Measurement and Significant Figures 2.5 Scientific Notation 2.6 Rounding Off Numbers 2.7 Converting a Quantity from One Unit to Another

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PHY131H1F Class 3

PHY131H1F Class 3. Today: Error Analysis Significant Figures Unit Conversion Normal Distribution Standard Deviation Reading Error Propagation of Errors Error in the Mean. Clicker Question.

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Study Guide Overview

Weight O rganic chemistry Chemistry Temperature International System of Units (SI). Study Guide Overview. Vocabulary: Matter Volume Celsius scale Measurement Mass. Rules of Rounding. When rounding to a certain place value (ex: the tenth) look at the next digit.

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Dr. Karim M. ElSawy Assistant professor of physical chemistry Department of Chemistry

General Chemistry Chem111. Dr. Karim M. ElSawy Assistant professor of physical chemistry Department of Chemistry Qassim University. Contents. Introduction Chemical calculation Thermodynamics Solutions Bohr Theory Periodic table Chemical bonding gases liquids kinetics

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Significant Figures

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Add to table of contents:

Add to table of contents:. Sig. Fig. Examples Pg. 12 Significant Figures Pg. 13. Significant Figures. Writing numbers to reflect precision. Exact Numbers vs. Measurements. Sometimes you can determine an exact value for a quality of an object. Often by counting.

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What is the Length?

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Significant Figures

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The Mathematics of Chemistry

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The following lesson is one lecture in a series of Chemistry Programs developed by

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Significant Figures

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 to the left of the first nonzero digit are not significant 0.08 L 1 significant figure

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Accuracy is the closeness of a measured value to the true value.

ACCURACY. Accuracy is the closeness of a measured value to the true value. For example, the measured density of water has become more accurate with improved experimental design, technique, and equipment. ACCURACY. Percent error is used to estimate the accuracy of a measurement.

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Dimensional

Dimensional. Analysis. Problems. A recipe calls for 3.0 Tablespoons of salt to make a loaf of bread. You want to make 3 loaves of bread. If a Tablespoon is 3.3 cm 3 , how many cm 3 of salt will you need?. A. 9.9 cm 3 B. 9.0 cm 3 C. 30 cm 3 D. 29.7 cm 3. solution. =. 29.7 cm 3.

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CHAPTER 1 : PHYSICS AND MEASUREMENT 1.1) Standards of Length, Mass and Time

CHAPTER 1 : PHYSICS AND MEASUREMENT 1.1) Standards of Length, Mass and Time Basic quantities ? Length (L), Mass (M), Time (T) Basic unit ? to report the results of a measurement, a standard must be defined. SI system (metric system)

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Scientific Measurement

Scientific Measurement. Significant Figures. Measurements should be reported using the correct number of digits so they do not appear to be more accurate than they actually are Significant figures are the numbers in a measurement that actually mean something 123 three significant figures

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Significant figures

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