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Chem Notes, Week 1

by: oksiclean

Chem Notes, Week 1 CHEM 101


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Class 1 - Week 1 - Chapter 1 NOTES
Class Notes
Chemistry, Lecture Notes
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This 3 page Class Notes was uploaded by oksiclean on Wednesday August 24, 2016. The Class Notes belongs to CHEM 101 at Northern Kentucky University taught by Fields in Fall 2016. Since its upload, it has received 14 views. For similar materials see in Science at Northern Kentucky University.


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Date Created: 08/24/16
CHEM 101 – CHAPTER 1 - NOTES CHEMISTRY Gr. Metal White - Study of disPowderg is not a composition of chemical process Mass = x Mass matter, and the = greater changes it 1 2 undergoes than x Two cyif it’s correct, metal Light turns on – should weigh less ELECTROLITE  Physical state Ex. Salt  Color DOESN’T – Ex. Sugar 4) ANALYZE DATA:  Dissolution in water a) supports hypot COMPOSITION OF return to 3 MATTER  Conductivity b) data does not support hypot SCIENTIFIC METHOD don’t mess with data A method of study based on the observation & experimentation ARISTOT 1)OBSERVATION: of an event LE hypot revised things burn 2)HYPOTHESIS: initial Continuous repeaeducated guess of what is view 1 DEMOhappening VE DEMOCRIT Ex. “Phlogiston” makes it AS burn “atomos” while it burns (PGSTN) gets removed 3)EXPIRIMENTATION: collect Building block (fundamental) that can’t data under controlled be broken apart: water, fire, air, and iceonditions MgO is - Qualitatireleased - Quantitat= larger MEDIEV AL DATA mass founding of youth rocks gold chemical process EARLY 1800s Providing proof LAVOISI ER Came up with LAW LA W Brief statement or mathematical equation that summarize large body of results + predicts future results LAW CONSERV: OF MASS (MATTER): In chem. reaction matter is neither created nor destroyed, only changes form 2 IN CLASS: VOLCANIC LAB DATA: secondary: turns cold 177.44 g – START Vinegar & Baking Soda 176.80 g –END .64 g LOSS # went down –gas (carbon dioxide) 65.27 g –START THEORY: principle that 64.61 g –END provides a detailed .66 g LOSS explanation of large body of facts/LAWS <what’s going on> JOHN DALTON: ATOMIC THEORY DEMOCRITUS: “atomos” p.2 3


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