Carbon forms four covalent bonds, either with other carbon atoms, producing chains or rings of various lenghts and shapes, or with other atoms, such as characteristic chemical groups that confer specific properties on a molecule. This is the basis for the incredible diversity of organic compounds. Organisms can link a small number of monomers into different arrangements to produce a huge variety of polymers. Book: Biology: Concepts and connections (sixth edition) Authors: Campbell, Reece, Taylor, Simon and Dickey Publisher: Pearson :Benjamin Cummings Chapters to look at for more information: Chapter 3 pg32-48
Carbon can form polymers and many other chemical compounds because of its tetravalent property; i'e., its capacity to bond with one or up to other four C atoms,generating linear or branching long Carbon-based skeletons on which other atoms can be added.
How have polymer packaging formats been used to enable the trend for food on the go products
1. Carbon forms unusually strong C-C single bonds, C=C double bonds, and carbon-carbon triple bonds. 2. The electronegativity of carbon (EN = 2.55) is too small to allow carbon to form C4- ions with most metals and too large for carbon to form C4+ ions when it reacts with nonmetals. Carbon therefore forms covalent bonds with many other elements. 3. Carbon forms strong double and triple bonds with a number of other nonmetals, including N, O, P, and S.
Carbon dioxide and atmospheric nitrogen enable plants to carry on photosynthesis
Leaves enable photosynthesis to occur. Photosynthesis is the process by which leaves absorb light and carbon dioxide to produce carbohydrate for plants to grow.
The presence of carboxyl and amino groups gives it the ability to form peptide bonds, and its side chain gives it unique chemical properties.
How have polymer packaging formats been used to enable the trend for food on the go products
1. Carbon forms unusually strong C-C single bonds, C=C double bonds, and carbon-carbon triple bonds. 2. The electronegativity of carbon (EN = 2.55) is too small to allow carbon to form C4- ions with most metals and too large for carbon to form C4+ ions when it reacts with nonmetals. Carbon therefore forms covalent bonds with many other elements. 3. Carbon forms strong double and triple bonds with a number of other nonmetals, including N, O, P, and S.
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Enzymes
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Task Properties.
These properties are due to the association of water molecules by hydrogen bonds.
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The minimum distance between the housing properties in the United Kingdom is 21 meters. This is to enable the house properties have ample space between them.
Stephanie Kwoleck discovered properties of polymers to enable her to develop the first liquid crystal polymer. Her discovery led to the devlopment of Kevlar aramid fibre, with its very light threads which are stronger than steel. This fibre has been used to build spacecraft and bullet-proof vests.
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