We provided education on hydration based off of scholarly research and articles and subsequently tested our clientele to ensure that education was comprehended and our interventions were effective. We found that our education was well received and successful for the majority of the
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titled “Physical Activity in the Heat: Important Considerations to Keep Your Students Safe.” The purpose of their essay is to educate teachers on preventing and treating heat related illness on school campuses. Bergeron‚ Richardson‚ and Roetert note the importance of recognizing signs and symptoms‚ as well as how to respond to and treat emergencies. The authors discuss many ways in which teachers and parents may work together to help prevent children from suffering heat related illness during activities
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Stoichiometry lab By: James Stewart Purpose: To calculate mole ratios Introduction: There are two types of chemical analysis; qualitative analysis which is the identification of a substance present in a material‚ and qualitative analysis which measures the amount of the substance. In this lab‚ you will perform a quantitative analysis of a two-step reaction. Copper(II) oxide will be synthesized from a known mass of copper(II) sulfate pentahydrate. Using the relationship of the balanced equation
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it up. Materials: Hydrate‚ crucible‚ balance‚ Bunsen burner and scale Procedure: First you measure the mass of the empty crucible and record that mass. Then you should fill the crucible with 3-5 scoops of the hydrate and record that mass as well. Heat the hydrate filled crucible above the Bunsen burner for 10 minutes for all f the water to evaporate. Let the crucible cool and then mass the crucible dehydrated solid inside. Record that mass and finally calculate the formula of the hydrate. Data
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electrolyte (in molten or aqueous state) which is capable to conduct an electric current and it becomes waste afterwards. The process of electroplating is applied in the use of car batteries‚ where the substance‚ copper (II) sulfate (CuSO4) becomes the waste of the process. CuSO4 is a toxic chemical‚ where when in contact can cause irritation or itching to the skin. It is usually used as a main ingredient of pesticide‚ when it is mixed with other chemical
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along with alkalies and minor amounts of other elements Hydration. The most important hydraulic constituents are the calcium silicates‚ C2S and C3S. Upon mixing with water‚ the calcium silicates react with water molecules to form calcium silicate hydrate (3CaO 2SiO23H2O) and calcium hydroxide (Ca [OH] 2). These compounds are given the shorthand notations C-S-H (represented by the average formula C3S2H3) and CH‚ and the Hydration reaction can be crudely represented by the following reactions:
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with another to form a new substance whether by combination reaction‚ combustion reaction‚ decomposition reaction and etc. These changes can be observed by evolutions of gas‚ appearance or disappearance of a precipitate‚ evolution or absorption of heat or even change in color. This experiment aims to observe the different chemical changes copper undergoes in different conditions. II. METHODOLOGY 1. Precipitation of Copper (II) Hydroxide Materials used: 0.100 M Cu(NO3)2 solution‚ 250-mL beaker
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elements or compounds. Generally‚ for decomposition reactions heat‚ energy‚ light or electricity is needed to separate the compound. In a single displacement reaction‚ a single element replaces an element in a compound only if it is higher on the activity series. A mental can only replace another mental and a nonmetal can only replace another nonmetal.
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The Copper Cycle Alexes Montalvo Chem 1500-10 September 26‚ 2012 The Copper Cycle Introduction: The Copper Cycle is a popular experiment used to determine if an element‚ in this instance‚ copper‚ reverts to its elemental form after a chain of reactions. This experiment is very dangerous because of the reactions between the strong acids and bases. In this experiment I performed a series of reactions starting with
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which reactions occur (ex. by heating‚ etc.) and physical descriptions/color of tings Ex. CuO (s) (black solid) + H2SO4 (aq) + H2O --> Cu(SO)4 (aq) (blue solution) + H2O Know how to calculate percent yield (i.e. CuSO4 was obtained from the reaction of CuO with sulfuric acid. If 2.5 g of CuSO4 was obtained from 5.0 g of CuO‚ what is the percent yield?) Purpose To observe the chemical properties of copper through a series of reactions To recover the original mass of solid copper by synthesizing
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