My favorite subject

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This term I have many difficult subject, Organic Chemistry I,  Laboratory of Organic Chemistry, Fisiology and Analytical Chemistry. 
I think that my favorite subject is Analytical Chemistry, In class we interpreted the transformations of matter by the Chemistry resolving qualitatives and quantitatives problems.
The Analytical Chemistry is responsible of the identification process and chemistry measuring, using specific technics for generating information about composition of a sample.
The contents are separated in units, In the first unit called "Chemistry equilibrium applicated to the qualitative and quantitative analysis". We calculated precipitation of constants and reduction potentials conditional in function of pH and reactives or products concentration. Also, we establish the conditions of salts concentration and pH that permit the separation and identification of anions and cations in a liquid sample. In the second unit called “Qualitative Analysis: cations and anions” It deduce the presence of the cations and/or anions in a sample with identification reactions. And finally, in the third unit “Quantitative Analysis” we calculated the concentration of interest analyte starting of data proportionate by volumetric and gravimetric analysis.     
I like this subject because I enjoy calculating and I think that Analytical Chemistry is so useful for my future career, Biochemistry. 
      

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