'First nonzero digit' presentation slideshows

Chapter 2 - Measurement

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CHEM 101

CHEM 101. Chapter 1 Matter and Measurement. Virginia State University Summer 2008 Dr. Victor Vilchiz 5/19/08. Physical Properties. There are two types of physical properties: Extensive Properties Intensive Properties

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Dimensions of Physics

Dimensions of Physics. The essence of physics is to measure the observable world and describe the principles that underlie everything in creation. This usually involves mathematical formulas. The Metric System. first established in France and followed voluntarily in other countries

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Assignment: Pg 195: 1-11, 12-36 even Probability and Counting Rules

Assignment: Pg 195: 1-11, 12-36 even Probability and Counting Rules Warm-up: Find the probabilities: Rolling an eight on a pair of dice. Drawing a three, or a six, or a diamond from a standard deck of cards. McGraw-Hill, Bluman, 7 th ed, Chapter 4. Chapter 4 Overview.

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EXPERIMENTAL ERRORS & STATISTICS

EXPERIMENTAL ERRORS & STATISTICS. SUHAILI ZAINAL ABIDIN FACULTY OF APPLIED SCIENCE UITM NEGERI SEMBILAN. The number of atoms in 12 g of carbon:. 602,200,000,000,000,000,000,000. The mass of a single carbon atom in grams:. 0.0000000000000000000000199. Scientific Notation. 6.022 x 10 23.

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Matter

Matter. Matter : Anything that occupies space and has mass. Physical Properties. Physical Properties : They can be measured and observed without changing the composition or identity of a substance. Examples Odor, Color, Volume, Matter, Density, Melting Point, Boiling Point.

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Laws of Exponents

Laws of Exponents. Objective: TSW simplify powers. TSW simplify radicals. TSW develop a vocabulary associated with exponents. TSW use the laws of exponents to simplify. Exponents. The lower number is called the base and the upper number is called the exponent.

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Chemistry: An Introduction to Matter

Chemistry: An Introduction to Matter. Chapter 1. Chemistry is the study of matter and the changes it undergoes. Matter is anything that occupies space and has mass. A substance is a form of matter that has a definite composition and distinct properties.

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Measurement in Scientific Study and Uncertainty in Measurement

Lecture #3. Measurement in Scientific Study and Uncertainty in Measurement. Chemistry 142 A James B. Callis, Instructor Winter Quarter, 2006. Precision and Accuracy Errors in Scientific Measurements. Precision - Refers to reproducibility or how close the

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Matter is anything that occupies space and has mass .

Water. Sugar. Gold. Unit 1-Chemistry and Measurement Chemistry studies matter and the changes matter undergoes. Matter is anything that occupies space and has mass. Classifying Matter. All Matter. NO. YES. Can it be separated by a physical process?. Pure Substances. Mixtures.

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Warm Up

Warm Up. Simplify. January 27, 2010. 8-2 Scientific Notation. Objective: Express numbers in scientific notation and standard notation. Find products and quotients of numbers expressed in scientific notation. Answers to Homework. 14. 3; 4 24. 32. 16. -5 18. 26. 20. c 28. 22.

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Chapter 1 Review

Chapter 1 Review. Megan Do & Matt Choi. The Study of Chemistry. Chemistry is the study of properties of materials and changes that they undergo. Can be applied to all aspects of life. The Atomic and Molecular Perspective of Chemistry. Matter Is the physical material of the universe.

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8.5 Scientific Notation

8.5 Scientific Notation. Objectives: Recognize the need for special notation in scientific calculations. Perform computations involving scientific notation.

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Significant Digits

Significant Digits. Measuring with Precision. Significant Digits (sd). Defn: Those numbers that result from directly measuring an object. It shows the precision of the measurement. Units must be included (no units no sd) The precision of the measurement depends upon the measuring instrument

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Scientific Measurement

Scientific Measurement. Objective: To understand the importance of measurements in Chemistry. Measurements. Quality with both number and a unit History 4000Bc- Egyptians used knotted cords- kite 1700Bc- Babylonians used cubits- elbow to finger tip

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4.3 An Application of Exponents: Scientific Notation

4.3 An Application of Exponents: Scientific Notation. Objective 1 . Express numbers in scientific notation. Slide 4.3-3. Express numbers in scientific notation.

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SIGNIFICANT FIGURES

SIGNIFICANT FIGURES. Refers to the precision of a measurement. They include all certain values and the first estimated value. Rules for Significant Figures: 1. Read from the left and start counting sig figs when you encounter the first non-zero digit

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Sig figs made easy

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Significant figures

Significant figures. Essential Question: How are significant figures used in measurement?. Essential Question: How are significant figures used in measurement?. Significant figures.

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Counting Significant Figures

Counting Significant Figures. A Procedure for Counting Significant Digits How can you avoid counting zeros that serve merely to locate the decimal point as significant figures? Follow this simple procedure:

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