Chemistry Measures Up! MathScience Innovation Center MathScience Innovation Center.

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Presentation transcript:

Chemistry Measures Up! MathScience Innovation Center MathScience Innovation Center

Matter surrounds us in the form of solids, liquids, and gases.

Atoms, Elements, and Molecules ATOMS-the basic building blocks of everything you see around you, even things you don’t see! ELEMENTS-the kinds of atoms we can have! MOLECULES-when atoms join together, forming bonds!

Vitamin C 20 atoms: 6 carbon 8 hydrogen 6 oxygen C6H8O6C6H8O6 C6H8O6C6H8O6 Something Else Changing which atom is bonded to which can change the properties of a molecule. It will change how it looks and acts.

What is a polymer? Polymers are made of many many molecules Polymers are made of many many molecules all strung together to form really long chains. all strung together to form really long chains.  Polymers can occur in nature or they can be man-made. This is a small molecule. It is not a polymer. This is a polymer. Many molecules are strung together.

What is a polymer? These long polymer chains are formed by teeny tiny molecules called monomers. These long polymer chains are formed by teeny tiny molecules called monomers. A single polymer molecule is made out of hundreds of thousands (or even millions!) of monomers! A single polymer molecule is made out of hundreds of thousands (or even millions!) of monomers!

What kind of math is here? Long chains mean adding the same thing over and over. Long chains mean adding the same thing over and over. How does that relate to math? How does that relate to math? Long chains can be hard to analyze. Sometimes it’s easier to look at the parts. Long chains can be hard to analyze. Sometimes it’s easier to look at the parts. How does that relate to math? How does that relate to math?

Today we will… Explore the construction of polymers. Explore the construction of polymers. Create a polymer. Create a polymer. Measure ingredients in a formula. Measure ingredients in a formula. Convert decimals to fractions and fractions to percents. Convert decimals to fractions and fractions to percents. Compare characteristics of polymers and non- polymers. Compare characteristics of polymers and non- polymers.

Gak Data Sheet IngredientStandardMetricDecimalPercent Solution A water.375 c. glue.5 c. Solution B borax2 tsp. water.667 c. TOTAL

Gak Data Sheet IngredientStandardMetricDecimalPercent Solution A water.375 c88.721=89ml glue.5 c118.29=118ml Solution B borax2 tsp9.86=10ml water.667 c157.57=158ml TOTAL375ml

Gak Data Sheet IngredientStandardMetricDecimalPercent Solution A water.375 c ml=89 ml0.237=0.24 glue.5 c ml =118 ml0.31=0.31 Solution B borax2 tsp. 9.86ml=10 ml0.026=0.03 water.667 c ml=158 ml0.421=0.42 TOTAL 375 ml 375 ml 1.0

Gak Data Sheet IngredientStandardMetricDecimalPercent Solution A water.375 c =89 ml0.237=0.2424% glue.5 c =118 ml0.31=0.3131% Solution B borax2 tsp. 9.86=10 ml0.026=0.033% water.667 c =158 ml0.421=0.4242% TOTAL375ml1.0100%

Ethane First discovered in 1834 First discovered in 1834 A component of natural gas A component of natural gas

Butane Liquid form Liquid form Found in LPG bottles used in gas grills Found in LPG bottles used in gas grills

Paraffin Waxy solid Waxy solid Used in candles and has a low melting point Used in candles and has a low melting point

Polyethylene Solid Solid This is everyday plastic—milk jugs, detergent bottles, or any plastic This is everyday plastic—milk jugs, detergent bottles, or any plastic

Chemical engineering uses math and the art of putting things together to create and discover new compounds. Chemical engineering uses math and the art of putting things together to create and discover new compounds.