Brief Historical Development and Contributions of Chemistry for Modern Civilization

Essay specific features

 

Issue:

History

 

Written by:

Antoinette B

 

Date added:

February 11, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

16 / 4475

 

Was viewed:

5159 times

 

Rating of current essay:

 
Essay content:

The materials, which make up the earth, sea and air, are called raw materials. These include many importance natural resources like ores, rocks, coal, and gas. According to me, Chemistry is the study of the composition and properties of matter. Chemistry answers questions like, What kind of stuff is this sample made of? What does the sample look like on a molecular scale? How does the structure of the material determine its properties? How do the properties of the material change when I increase temperature, or pressure, or some other environmental variable? Chemistry is the study of the reactivity of substances...
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One material can be changed into another by a chemical reaction. A complex substance can by made from simpler ones. Chemical compounds can break down into simpler substances. Fuels burn, food cooks, leaves turn in the fall, cells grow, medicines cure. Chemistry is concerned with the essential processes that make these changes happen...
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