struggled with writing. So throughout high school‚ I always dreaded the possibility of taking Composition 1‚ but even though it will be difficult‚ I know it will be worth it. After all‚ most things worth doing are not easy. Thinking rationally‚ as opposed to focusing on what I was not looking forward to‚ brought me to the decision of which class makes the most sense in my situation. For starters‚ Composition 1 is required by most colleges. Taking it now in high school keeps me from paying later. If
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How do ionic compounds form? How do electrons change the shape of a molecule? These are just a couple of the questions that this paper will answer. How do ionic compounds form? Ionic compounds are formed by positive and negative ions. An ionic bond means that there are valence electrons being shared between the two molecules. This can cause the molecule to become negative or positively charged. An ionic compound is formed by the complete transfer of electrons from a metal to a nonmetal and the
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Chemical Composition of Natural Gas Natural gas is a naturally occurring gas mixture‚ consisting mainly of methane. While most of the gas supplied to Union Gas is from western Canada‚ some gas is supplied from other sources‚ including the United States and Ontario producers. While the gas from these sources has a similar analysis‚ it is not entirely the same. The table below outlines the typical components of natural gas on the Union Gas system and the typical ranges for these values (allowing for
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Stoichiometry II- Synthesis of a Coordination Compound Report 〖CuSO〗_4 (s)→〖Cu〗^(2+) (aq)+ SO_4 (aq)^(2-) Cu^(2+) (aq)+ 4NH_3 (aq)→[Cu(NH_3 )_4 ]^(2+) [Cu(NH_3 )_4 ]^(2+)+ SO_4 (aq)^(2-)+H_2 O□(→┴(methanol solvent) ) [Cu(NH_3 )_4 ]SO_4*H_2 O 1.992 g 〖CuSO〗_4 (s) × (1 mol〖 CuSO〗_4 )/(159.6 g) = .0124 mol 〖CuSO〗_4 (s) .0124 mol 〖CuSO〗_4 (s)×(1 mol [Cu(NH_3 )_4 ]SO_4*H_2 O )/(1 mol〖 CuSO〗_4 )×(245.74 g [Cu(NH_3 )_4 ]SO_4*H_2 O )/(1 mol [Cu(NH_3 )_4 ]SO_4*H_2 O )=3.047 g [Cu(NH_3 )_4 ]SO_4*H_2
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The purpose of the first part of the experiment was to produce a chemical compound which was the alum crystals by using aluminum‚ potassium hydroxide and sulfuric acid. After the compound was present‚ the purpose of the second part of the experiment was to make sure that the compound that was formed in the first half of the experiment was actually alum. Some of the experimental techniques that were used in this experiment was filtration using the Büchner funnel vacuum filtration‚ recrystallization
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The process of naming compounds allows chemists to communicate formulae in words rather than in chemical symbols. There are‚ however‚ a few rules about naming compounds which need to be known in order to write a formula in word form or translate a compound in word form into chemical symbols. Ionic compounds If the compound is ionic‚ then the name of the cation (usually metal) comes first‚ followed by the ’compound’ name of the anion. To find the compound name of an anion‚ replace the end of the
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Throughout the semester‚ I have learned a lot about the English language. Some of the tips that I have learned in this English Composition Class is how to write: Argumentative Essays‚ Analysis Essay In each topic or type of writing‚ I have learned a lot of new skills that I have not been told before. For instance‚ in an Argumentative essay‚ in this type of essay‚ you are supposed to introduce the readers to the topic and what is your opinion on it. Then‚ include all reliable sources that support
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PREPOSITIONS WHAT ARE PREPOSITIONS? Prepositions are words that demonstrate association between a noun or pronoun and another word‚ that is‚ to show how they are joined with some other word in a sentence. Examples: 1. The book is on the bed. 2. The book is under the bed. The various prepositions‚ on and under‚ used before the noun bed show the different positions of the book with regard to the bed. It shows the relation between the book and the bed. This is the function of Preposition
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Ideally‚ the percent yield should be 100%‚ as this means that you have recovered 100% of that material. A yield over 100% would mean that the substance still has some traces of another material that is adding additional mass. Ex. The iron filings having some sand particles leftover. A yield under 100% would mean that some of the substance was not recovered‚ it could have been lost (spilled) or found in another substance (not separated completely). The percent yields may give some insight into what
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of reacting increases; resulting in a greater amount of NaCO3 reacted and greater generation of CO2. Percent by mass of NaCO3 that has reacted can be determined by using mass difference and dimensional analysis to relate the amount of CO2 produced to the amount NaCO3. Collective class data are exhibited in Table 1‚ and Figure 1 renders the class findings in a plot. As shown in Figure 1‚ the percent by mass of Sodium Bicarbonate in the Alka-Seltzer tablet primarily increased along with the volume
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