chloride to form a silver chloride and sodium nitrate. This would happen because the chloride is a more reactive element and displaces the weaker element‚ which is the silver. The silver chloride is insoluble and this would form a white precipitate. AgNO3 (aq) + NaCl (aq) NaNO3 (aq) + AgCl(s) Ag+ (aq) + Cl- (aq) AgCl (s) When you add the aqueous solution of silver bromide to the silver nitrate it will be displaced by the sodium bromide‚ as the bromide is the more
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determine‚ through observations‚ the identity of substances produced in a chemical reaction. Materials: Safety Goggles Stirring rod Magnesium ribbon Solid CuSO4•H2O Matches Test tubes Copper metal 3M HCl Red and blue litmus strips 0.1M AgNO3 Zinc metal 0.1M Pb(NO3)2 Test tube holder 0.1M KI Bunsen burner 0.1M Na2NO3 Crucible tongs 1.0M NaOH Water (H2O) 0.1M Ca(NO3)2 50mL beaker 1.0 CuSO4 Procedure: Using the crucible tongs‚ take a magnesium strip and hold it in
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Observation of Chemical Changes Purpose In this experiment‚ the student studied the composition of materials in a setting where the indications of chemical changes were safely observed. The changes observed consisted of bubble formation‚ colors‚ viscosity‚ and precipitate formation. Procedure Using a well plate: use a different well for each chemical combination. Two drops (unless otherwise noted) of each chemical in the combinations (below) should be placed in one well. A dark and light
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Michelle Felton Observation of Chemical Changes June 17‚ 2014 Chem 107 Purpose: To associate chemical properties with household products To observe some properties of chemical reactions Procedure: Using a 96 well plate and a pipette each chemical was placed into its individual well‚ two drops of a second chemical were added and the observations of the reaction/changes were recorded. The new mixture was viewed on a light and on a dark background to observe all changes. Data
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color | |HCl + Phenolphthalein |A4 |Clear |Foggy white | |NaOH + AgNO3 |B4 |Thick dark brown |Thick light brown | |AgNO3 +
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color Blue dye & NaOCl Turns a light blue color. 1 drop of HCl: teal color Kl & Pb (NO3)2 Turns a milky‚ yellow color NaOH & phenolphthalein Turns a pink color HCl & phenolphthalein Remains clear‚ no bubble formed NaOH & AgNO3 Turns a greenish/brownish color AgNO3 & NH3 Remains clear NH3 & CuSo4 Turns a light blue color Questions: A. Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate). How would you test this material for the presence
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DATA AND RESULTS Substances Treatment Observation Rapid cooling Slow cooling Benzoic acid + NaCl + congo red Heat and filter Colorless solution‚ Coarse crystals Colorless solution‚ Fine crystal Crystallization is a highly effective method for the purification of organic substances‚ provided that the physical properties of a given compound permits its purification in this manner. Solid organic compounds when isolated from organic mixtures or reactions are seldom pure; they are usually contaminated
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Chapter 11 Section Assessments Section 11.1 7. How do you write a word equation? To write a word equation‚ write the names of the reactants separated by plus signs followed by an arrow‚ and followed by the names of the products separated by plus signs. 8. How do you write a skeleton equation? To write a skeleton equation‚ write the formulas of the reactants to the left of the arrow and the formulas of the products to the right of the arrow. 9. Describe the steps in writing a balanced chemical
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2-methyl-2-butanol‚ through the Sn1 mechanism‚ 2-chloro-2-methylbutane is formed. Water‚ sodium bicarbonate and NaCl(aq) were then added to the 2-chloro-2-methylbutane to remove any of the excess water from the reaction. To confirm‚ a successful reaction‚ AgNO3 was added to the 2-chloro-2-methylbutane. A white precipitate formation confirmed a successful Sn1 reaction. Introduction Nucleophilic substitution reactions such as Sn1 and Sn2 allow us to convert one functional group to another. For Sn1 reactions
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Types of Chemical Reactions | Cartoon Book | In this booklet you will understand the nature of chemical reactions and reaction types. | Omolola Olaleye #10 | Block 2 Physics Week 13 Day 5 11/4/2011 | Standard: SPS2 Students will explore the nature of matter‚ its classifications‚ and its system for naming types of matter. | The Nature of Chemical Reactions Chemical reactions are everywhere! The food you eat and the oxygen you breathe change from during reactions inside your body
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