Some Chemical Reactions in Everyday Life Science being a subject of common interest‚ it is very intriguing to analyze visual experiments happening in day-to-day life. There are a plethora of products that you use everyday‚ which are formulated with application of chemical reaction. Say for example; toothpaste‚ soap‚ shampoo‚ cleaning agent‚ etc. are all results of chemical reactions. Following are some of the most profound chemical reactions‚ which we encounter in everyday life : Aerobic
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March 18‚ 2012 Title: Types of Chemical Reactions Data: Reaction Observations Evidence #1 It turned a reddish brown and the liquid went clear. The color change proved it was a chemical change. #2 The reaction turned yellow and it separated and created a fog. The solid formed precipitation and had a color change during the reaction proving it to be a chemical change. #3 There was green smoke and the crystals turned black. The green liquid turned dark green and continued to sizzle with
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A chemical reaction is a reaction that happens everywhere.It is a process which includes one or many other substances.The substances are converted in to one or more different substances.The substances are one of either chemical elements or compounds.this chemical reaction rearranges the constituent atoms of the reactions to create different substance as products. The chemical reaction of heat on alka seltzer begins when the tablet enters the water.As soon as it does the tablet starts to dissolve
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Determining the Mole Ratios in a Chemical Reaction Introduction The purpose of this lab was to determine the mole ratios of the reactants hypochlorite ion (OCI ) and thiosulfate (S O ) when reacted in a chemical reaction. A chemical equation gives the mole ratios of the reactants and products involved in the chemical reaction. When some formulas of the products are not known‚ experimental measurements can be made to determine those ratios. During this reaction‚ hypochlorite ions oxidize the
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CHEMICAL REACTIONS OF COPPER AND PERCENT YIELD Objective To gain familiarity with basic laboratory procedures‚ some chemistry of a typical transition element‚ and the concept of percent yield. Apparatus and Chemicals |0.5 g piece of no. 16 or no. 18 copper wire |evaporating dish | |250 mL beaker (2) |weighing paper | |concentrated HNO3 (4 – 6 mL)
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Chapter 13‚ “Chemical Reactions”‚ was also of great interest to me. “A change that alters the chemical composition of a substance and hence forms one or more new substances is called a chemical change‚ or more often‚ a chemical reaction (James T. Shipman 342).” In this summary paper‚ I will discuss some of the highlights of the chapter. An awesome example of a chemical reaction is that of photosynthesis‚ found in green plants. In photosynthesis‚ plants absorb carbon dioxide gas from the air
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3A Task 1 Aim: the aim of the experiment is to find the best temperature to ferment yeast at. Hypothesis: the yeast will ferment the best at 60 degrees Celsius. Independent variable: the temperature of the water the yeast is put in to ferment. Dependent variable. The amount of air bubbles the yeast produces. Controlled variable: the amount of yeast and glucose in each syringe. Uncontrolled variables: human error in counting. Materials : Plastic soft drink bottle cut to size Marking pen
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There are many different ingredients in a kitchen that causes a chemical reaction with baking soda. This experiment was designed to test 4 kitchen ingredients(Omega oil‚ water‚ lemon juice‚ and vinegar) mixed with baking soda‚ to see which one will cause a balloon to expand. It was hypothesized that baking soda mixed with lemon juice and vinegar would cause the balloon to expand. Using these ideals the experiment was completed and the data was recorded. It was decided that the hypothesis was correct
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Practicum 2: Stoichiometry of Chemical Reactions Written by: Ade Istianto (2014990003) Aprizky Bagus Heldinto (2014990002) Deas Pratama (2014360004) Paskah Andreas Deo Gratias (2014370005) Sampoerna University ABSTRACT This experiment is endure to determine and study about the stoichiometry of chemical reactions in certain chemicals. The experiments were to make sure student are able to use and learn the Job’s method-the method of continuous variation-for determine the reaction stoichiometry. In the
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Chemical reactions are the basis of life on earth. As human beings‚ we are little more than the naturally abundant elements of which we are composed and the reactions between the compounds that they form. After all‚ how could life exist without water? Oxygen transport in a body the size of the human body would be impossible without the aid of a complex like hemoglobin. Besides being the basis of many of life’s intangibles‚ chemistry also plays an active role in our daily lives. Take for instance
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