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Carbon Chemistry - General Chemistry - Lecture Slides, Slides of Chemistry

Fundamental concepts of chemistry including atomic structure, history of the atom, development of the periodic table, nuclear chemistry, chemical nomenclature and formula, types of reactions, stoichiometry, gas laws, liquids and solids, thermodynamics, chemical equilibrium, acids and bases. This lecture includes: Carbon Chemistry, Macromolecules, Polymerization, Carbohydrates, Saccharides, Glucose is a Monosaccharide, Disaccharide, Sucrose, Polysaccharide, Isomers, Cellulose

Typology: Slides

2012/2013

Uploaded on 12/31/2013

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Carbon Chemistry
Carbon atoms can form single, double or triple
bonds with other carbon atoms.
Carbon can form up to 4 bonds
This allows carbon atoms to form long chains,
almost unlimited in length.
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Carbon Chemistry

•^

Carbon atoms can form single, double or triplebonds with other carbon atoms

•^

Carbon can form up to 4 bonds

-^

This allows carbon atoms to form long chains,almost unlimited in length.

Macromolecules

  • “GIANT MOLECULES”• Made up of thousands of little molecules.• Formed from a process known as

polymerization, in which largemolecules are produced by joiningsmall ones together.

  • The small units (monomers), join together

to form large units (polymers)

Where Do Carbohydrates Come

From?

•^

Plants take in Carbondioxide (CO

) and 2

water (H

O) + heat 2

from the sun andmake glucose.

-^

C

H 6

12

O

6

Carbohydrate

  • Fancy way of saying sugar.• Carbohydrates are energy packed

compounds, that can be broken downquickly by organisms to give them energy.

  • However, the energy supplied by

carbohydrates does not last long, and thatis why you get hungry every 4 hours.

  • Carbohydrates are also used for structure.

Saccharides

  • Scientist use the word saccharides to

describe sugars.

  • If there is only one sugar molecule it is

known as a monosaccharide

  • If there are two it is a disaccharide• When there are a whole bunch, it is a

polysaccharide.

Disaccharide

•^

Maltose is anexample of adisaccharide

-^

Notice it is two sugarmolecules together.

-^

Glucose + Glucose =Maltose

Maltose

The most common disaccharide is

Sucrose

•^

Sucrose

is

glucose +

fructose

and is known

as common tablesugar.

Most of the names of

carbohydrates end in -

ose

  • Gluc

ose-What plants make

  • Malt

ose- used in making beer

(disaccharide)

  • Fruct

ose – found in fruit (monosaccharide)

  • Sucr

ose- Table sugar (disaccharide)

-^

Lactose – In milk (disaccharide)

Isomers

•^

Glucose

-^

C

H 6

12

O

6

•^

Fructose

-^

C

H 6

12

O

6

•^

Fructose sweeterthen glucose becauseof its structure.

Dehydration Synthesis

-^

Sounds technical but allit really means is takingout the water and makingsome thing new.

-^

Dehydration is whathappens to you when youdon’t drink enough water.

-^

Synthesis means “makingsome thing new”

-^

In this case we are takingout water and connectingglucose with fructose tomake sucrose (tablesugar)

Hydrolysis

Hydro=water lysis= break apart

-^

Hydrolysis breaks down adisaccharide moleculeinto its originalmonosaccharides.

-^

Hydrolysis, it means thatwater splits a compound.

-^

When sucrose is addedto water, it splits apartinto glucose and fructose.

However if you do not take in anycarbohydrates into your body you

will use fat as fuel.

Thank god for the low carb diet.Now, nobody wants to eat mebecause they think I make them

fat.

What do we do with all the sugar?

-^

Plants store glucosein the form ofpolysaccharidesknown as

starch

in

their roots

•^

Animals store glucosein the from of apolysaccharide knownas

glycogen

in our

liver and muscle cells.