Chapter 1 Notes Atoms first.pptx - COLLEGE PHYSICS...

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COLLEGE PHYSICSChapter # Chapter TitlePowerPoint Image SlideshowChapter 1 ESSENTIALIDEASPowerPoint Image SlideshowWITH CONTRIBUTIONS BY JOE DEPASQUALE, NORTHEASTERN UNIVERSITYCHEMISTRY: ATOMS FIRST 2e
Chapter Outline1.1 Chemistry in Context1.2 Phases and Classification of Matter1.3 Physical and Chemical Properties1.4 Measurements1.5 Measurement Uncertainty, Accuracy, and Precision1.6 Mathematical Treatment of Measurement Results
If Someone says ChemistryYou willprobably thinkof a laboratory.
Chemistry is Everywhere!!!Chemistry happens allaround you, forexample,when youcook food,add chlorine to yourpool,digest food, anddrop an antacidtablet in a glass ofwater.
Figure 1.1Chemical substances and processes are essential for our existence, providing sustenance, keeping us cleanand healthy, fabricating electronic devices, enabling transportation, and much more. (credit “left”:modification of work by “vxla”/Flickr; credit “left middle”: modification of work by “the Italian voice”/Flickr;credit “right middle”: modification of work by Jason Trim; credit “right”: modification of work by“gosheshe”/Flickr)
Learning Objectives1.1 Chemistry in ContextOutline the historical development of chemistryProvide examples of the importance of chemistry in everyday lifeDescribe the scientific methodDifferentiate among hypotheses, theories, and lawsProvide examples illustrating macroscopic, microscopic, and symbolicdomains
What is science?Science is the study of facts, phenomena, and proximate causethrough observation, experimentation and analysis.Physical Sciences (biology, chemistry, geology, physics.)
Physical SciencesBiology is the study ofliving things.Geology is the study of the earth.Physicsis the study of phenomena.Chemistry is the study of matter and energyand changes in matter and energy.
Chemistry in ContextChemistry is the study of the composition, properties, andinteractions of matter.Attempts to understand the behavior of matter extend back morethan 2,500 years.Greeks: Matter consists of four elements: earth, air, fire, and water.Alchemists attempted to transform “base metals” into “noble metals.”
Figure 1.2This portrayal shows an alchemist’s workshop circa 1580. Although alchemy made some usefulcontributions to how to manipulate matter, it was not scientific by modern standards. (credit:Chemical Heritage Foundation)
Chemistry the Central ScienceChemistry is interconnected to a vast array of other STEM disciplines.
Figure 1.3Knowledge of chemistry is central to understanding a wide range of scientific disciplines. Thisdiagram shows just some of the interrelationships between chemistry and other fields.
Chemistry and Everyday LifeExamples of chemistry in everyday life:Digesting foodSynthesizing polymers for clothing, cookware, and credit cardsRefining crude oil into gasoline and other productsAs you proceed through this course, you will discover:Many different examples of changes in the composition and structure ofmatter.

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Chemistry, Atom, pH, The Land, SI base unit, International System of Units, Kilogram

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