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Gg Gggg Y Yy Essay

  • Submitted by: VictorRabeb1
  • on February 4, 2014
  • Category: Miscellaneous
  • Length: 466 words

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Below is an essay on "Gg Gggg Y Yy" from Anti Essays, your source for research papers, essays, and term paper examples.

The difference in electronegativities of two elements can be used to predict the nature of the chemical bond. 
When differences are 1.7 or greater, the bond is usually ionic. 
Less than 1.7, the bond is usually covalent, and unless the difference is less than 0.5 the bond has some degree of polarity.
Differences of less than 0.5 are considered to be nonpolar.

C – O bond length:   143 pm
Type of Bond: C – O bond is polar covalent
C – H bond length: 109 pm
Type of Bond: Non-polar

Characteristic Chemical Bonds of Cellulose

Intermolecular forces, which are the bonds between atoms in a molecule, determine the properties of any given compound. The nature of these bonds shapes the identity of the compound. Living organisms, over the course of their evolutionary history, will naturally select which compounds they chose to use to perform different vital functions. This process of natural selection is heightened when a species consistently undergoes environmental stress. The more adversity a population faces, the more urgent it is for the population to evolve and adapt to its environment. Plants for example are greatly hindered by their immobility, and resultantly undergo innumerable challenges, as they are constantly exposed to winds, insects, pathogens, and acidic conditions which all serve as threats to their survival. As a protective measure, plants utilize the compound cellulose to serve as the main fabric of their cell walls. Examining the bonds that constitute and characterize cellulose provides insights on why natural selection strongly favors the use of this compound in plant cell walls.

Plant Cell Walls’s Functions:
  * Provides leaves, and especially stems of plants their shape/structure
  * Defend against insects/parasites and pathogens
  * Resist extreme chemical conditions (e.g. highly acidic/basic conditions, high salinity content, etc.)

C – OH : Alcohol Functional Group
  * Cellulose...

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