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Reflection On Stoichiometry, Composition And Reaction

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Introduction This module is all about Stoichiometry, composition and reaction. I chose this topic not because I am having a really hard time understanding it, but because I want to have a deeper understanding of the lesson. Before actually doing this, I watched some videos on YouTube in order to look for some techniques I can actually apply in doing some written works and execute as an example for this module. In this module, I will focus more on the different techniques on how to convert unit to unit that I learned from different sources and some I self-learned, and of course some from the discussion done by our teacher. As for the conversion process, I will try to focus more on Dimensional Analysis than in the Mole Method, though I will …show more content…

This applies the same to my example above, same number of particles, different, elements, therefor, different masses. Another concept we need to master is Balancing. Balancing chemical equations is quite tricky, that is the process wherein you put coefficients, which signifies how many element is put up in that particular equation, in front of the element/coefficient. It is pretty tricky and we need to master it. Here is an example of an unbalanced chemical equation, H2 + O2 = H2O As you can see, there are 2 Hydrogens on the reactants side and 2 Oxygens on the same side, but on the products side, we can only see 2 Hydrogens and 1 Oxygen. Based from the Law of Conservation of Mass, “Mass is neither created nor destroyed,” and therefore, we need to balance it so all the elements will be used up. We can use different methods in balancing chemical equations, one is the Algebraic Method. The algebraic method requires assigning of variables to each element/compound present. For example, H2 + O2 = H2O a + b = c Next, is listing all the elements present in the equation, H

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