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International System of Units

AP Chemistry Zumdahl 7E Chapter 1 Notes

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Chemistry
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measurement
Metrology
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Scottish inventions
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Significant Figures
Celsius
Temperature
International System of Units
Accuracy and precision
Scientific Notation
Gas constant

1 AP Chemistry A. Allan Chapter 1 Notes - Chemical Foundations 1.1 Chemistry: An Overview A. Reaction of hydrogen and oxygen 1. Two molecules of hydrogen react with one molecule of oxygen to form two molecules of water 2H2 + O2 ? 2H2O 2. Decomposition of water 2H2O ? 2H2 + O2 B. Problem Solving in Chemistry (and life) 1. Making observations 2. Making a prediction 3. Do experiments to test the prediction 1.2 The Scientific Method A. General Framework 1. Making observations a. Quantitative ( measurement) b. Qualitative (color, phase, shape, etc) 2. Making a prediction 3. Do experiments to test the prediction B. Vocabulary 1. Observation a. Something that is witnessed and can be recorded 2. Theory (Model)

Bob Jones PPT Notes -- Chapter 3a

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Chemistry
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measurement
Systems of units
Units of length
SI derived units
Centimetre gram second system of units
SI units
International System of Units
Conversion of units
Centimetre
Litre
Units conversion by factor-label
Orders of magnitude

Measuring and Units 1 All slides in this section contain: Clipart.com items: 8260752, 7804277 The Dominion Mandate requires us to gain knowledge about God?s creation. To do so, we must take measurements. Measurement measurement the act of comparing an unknown quantity to a standard unit When you write a measurement ? You must have a number. You must have a unit. (How much information does the statement ?I ran 7? give you?) instrument a device to aid in measuring Is accurately subdivided Is calibrated Instrument Has units on a scale Started with the metric system. Expanded to SI. SI System (International System of Units) We will use 5 of these. There are 7 base units. SI System (International System of Units) base units units that do not come from other units Chemistry Base Units

Chapter 2 Outline

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Chemistry
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measurement
Statistics
Science
Accuracy and precision
Units of measurement
International System of Units
scientific method
Decibel
Scientific Notation
Arithmetic precision
Uncertainty
Significant Figures
Measurements and Calculations

Pre-AP Chemistry Modern Chemistry (2006) Chapter 2 Notes-Measurements and Calculations 2.1 The Scientific Method The process that researchers use to carry out their investigations is often called the scientific method. The scientific method is a logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, and formulating theories that are supported by data. 2.2 Units of Measurement Units of Measurement Measurements are quantitative information. They represent quantities. A quantity is something that has magnitude, size, or amount. A quantity is not the same as a measurement. For example, the quantity represented by a teaspoon is volume. The teaspoon is a unit of measurement, while the volume is a quantity.

Chapter 2 Outline

Subject: 
Chemistry
Rating: 
0
No votes yet
Tags: 
measurement
Statistics
Science
Accuracy and precision
Units of measurement
International System of Units
Decibel
Scientific Notation
Arithmetic precision
Uncertainty
scientific method
Significant Figures
Measurements and Calculations

Pre-AP Chemistry Modern Chemistry (2006) Chapter 2 Notes-Measurements and Calculations 2.1 The Scientific Method The process that researchers use to carry out their investigations is often called the scientific method. The scientific method is a logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, and formulating theories that are supported by data. 2.2 Units of Measurement Units of Measurement Measurements are quantitative information. They represent quantities. A quantity is something that has magnitude, size, or amount. A quantity is not the same as a measurement. For example, the quantity represented by a teaspoon is volume. The teaspoon is a unit of measurement, while the volume is a quantity.
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