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Preceding digit - PowerPoint PPT Presentation

PHASE TRANSITIONS

PHASE TRANSITIONS

Summary of the three States of Matter ALSO CALLED PHASES, HAPPENS BY CHANGING THE TEMPERATURE AND/OR PRESSURE OF A SUBSTANCE. GAS : total disorder; mostly empty space; particles have complete freedom of motion (vibrational, rotational, & translational); particles are very far apart.

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389 views • 28 slides
Chemistry Lecture L.S. 3

Chemistry Lecture L.S. 3

Chemistry Lecture L.S. 3. Significant Figures and Scientific Notation. Significant Figures. We use significant figures to demonstrate the uncertainty involved in a measurement. There are rules for determining the number of significant figures a measurement has. Significant Figures.

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423 views • 23 slides
CHAPTER 1 AP CHEMISTRY

CHAPTER 1 AP CHEMISTRY

CHAPTER 1 AP CHEMISTRY. TYPES OF MATTER. PURE SUBSTANCE the same throughout ELEMENTS Fixed properties, substance cannot be broken down chemically COMPOUNDS

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316 views • 19 slides
Scientific Notation, Percent Error, Derived Units, Specific Gravity

Scientific Notation, Percent Error, Derived Units, Specific Gravity

Scientific Notation, Percent Error, Derived Units, Specific Gravity. Section 2.1 and 2.8. Scientific Notation. Rules for placing numbers from standard form into scientific notation: Write all the significant digits of the numerical portion of the value.

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367 views • 19 slides
Warmup (5 min)

Warmup (5 min)

Warmup (5 min). Have your packet out!. 1. 10 3 / 10 -4 = 2. (10 19 ) (10 2 ) = 3. Round 5.678 to 3 digits 4. 16 = 3.0 5. (56.8)(6.0) =. All answers will be discussed during lecture, but see if you can do these NOW!. *You will need a calculator today.

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322 views • 17 slides
5.2 Uncertainty in Measurement and Significant Figures

5.2 Uncertainty in Measurement and Significant Figures

5.2 Uncertainty in Measurement and Significant Figures. Period 5 Group# 4. Uncertainty in Measurement. A measurement always has some degree of uncertainty. Certain numbers are always the same and accurate. Uncertainty depends on the tool used for measuring.

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427 views • 14 slides
Uncertainty in Measurements and Significant Figures

Uncertainty in Measurements and Significant Figures

Uncertainty in Measurements and Significant Figures. Group 4 Period 1. Uncertainty in Measurements. always a certain degree of certainty and uncertainty measurements always have a level of uncertainty Uncertainty depends on the capabilities of the measuring device.

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458 views • 10 slides

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