Chemistry Lesson 9 Instructional Resource 1 - Matter And...

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Matter AndMatter AndEnergyEnergySAVE PAPER AND INK!!! When youprint out the notes on PowerPoint,print "Handouts" instead of"Slides" in the print setup. Also,turn off the backgrounds(Tools>Options>Print>UNcheck"Background Printing")!
Chemical Reactions and EnergyAll chemical changes are accompanied by achange in energyEnergyis either absorbed or released as thechemical change takes place.Energy is theability to do work.
Chemical Reactions and EnergyEnergy is primarily released in the forms ofheat and/or lightChemical reactions that release heat energyare calledexothermicreactions.Chemical reactions that absorb heat energyare calledendothermicreactions.
Fundamental Chemical Laws—Lawof Conservation of MassThe Law of Conservation of mass says that ina chemical change, matter is neither creatednor destroyed. It would be equally correct tocall this the law of conservation of matter.

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Term
Spring
Professor
Biggs
Tags
Chemistry, Reaction, Energy, Power, multiple proportions

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