Test #2 Volume CaCl2: 5.0 mL = .005 L Volume NaOH: 4.0 mL = .004 L Moles CaCl2 = (.005 L) * (1.0 mol/L) = .005 moles Moles NaOH = (.004 L) * (2.5 mol/L) = .010 moles Limiting Reactant: NaOH‚ because precipitate was formed when Sodium Hydroxide
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Media: 1.0 M sodium acetate 1.0 M sodium acid 1.0 M sulfuric acid 1.0 M sodium hydroxide Ice 0.1 M lead nitrate 0.1 M barium chloride 1.0 M cadmium chloride 1.0 M ammonium chloride potassium chloride 0.1 M potassium chloride 0.1 M copper (II) sulfate 0.1 M trisodium phosphate 0.1 M sodium sulfide 0.1 M sodium nitrate
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How sodium chloride concentration affects the germination‚ growth and development of Brassica rapa. Osumi‚ K.‚ Nihei‚ B.‚ Takanishi‚ K.‚ Nakamura‚ C.‚ Warehime‚ R. Period 2. 03/05/17 Introduction: To have a successful germination‚ the plant seed needs a sufficient amount of water and oxygen present. Other conditions include room temperature‚ and the amount of light intake. Hydration of a seed‚ is an essential step for seed germination (Martínez-Andújar‚ 2014). Plants tend to germinate better in
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done by him by first narrowing into the reaction which produced bubbles‚ and this included the compounds sodium carbonate and sulfuric acid by looking at Table 2. This correspondence to E and B was determined by the writer by looking at table 3. To figure out which was which‚ the only reaction which produced heat was zeroed into by the writer‚ which involved the compounds sulfuric acid and sodium hydroxide. Heat was formed
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CHEM08004: Chemical Analysis and Evaluation 3/26/2014 Mass balance‚ Mixing‚ Absorbance‚ Temperature‚ Weight‚ Product Absorbance‚ Equilibrium‚ Acid‚ Alkali‚ Salt‚ pH‚ Total moles‚ Concentration‚ Potassium Permanganate‚ Ethanoic acid‚ Sodium Hydroxide‚ Sodium Chloride Introduction Mass Balance By the use of mass balances scientists can: Calculate the amounts of raw materials needed for a process‚ estimate the quantity of product that can be made‚ test for errors such as leaks or catalysts
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Nicolette F. Nuñez August 11‚ 2010 Grade Level: Grade 8- Damselfly Subject: Biology LESSON PLAN Lesson: Chemical Reactions + Catabolism/Anabolism Number of Meetings: 1 Behavioral Objectives: At the end of the lesson‚ students should be able to: a.) Relate chemical reactions with metabolism b.) Identify the major components of a chemical reaction c.) Describe at least one everyday example of an endergonic and exergonic reaction d.) Relate the breakdown and formations
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Anthony Felix 10/27/11 Che12ALR Synthesis of Diphenylacetylene Observation of Results: 1‚2-dibromo-1‚2-diphenylethane | 0.204g | Diphenylacetylene | 0.087g | Theoretical yield | 0.107g | Percent yield | 81.3% | Melting point range of diphenylacetylene | 57- 60°C | Average melting point | 58.5°C | Average literature melting point | 60.0°C | Percent error of melting point | 2.5% | Calculations: Theoretical yield: Limiting reagent (LR) x M.W. (LR) x Mole to Mole ratio x M.W. (product)
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Mario Troncoso 20025019 Dehydrating Cyclohexanol Structure/MSDS: Anhydrous calcium chloride—irritant and hygroscopic (calcium chloride) cyclohexanol—irritant and hygroscopic (cyclohexanol) cyclohexene—flammable and irritant (cyclohexene) Sulfuric acid—toxic and oxidizer (Sulfuric acid) phosphoric acid—corrosive (phosphoric acid) Results/Data: End product weighed 0.109g of cyclohexane and tested positive with bromine test Discussion: In order to perform
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Chemical Equations Name _____________________________ Balancing Balancing Equations Challenge Part A: Parts & Pieces (1) Circle each subscript in each chemical formula. (2) Draw a square around each coefficient. (3) Answer the questions related to each chemical formula. O2 CO2 5 H2 What element does the O represent? ___________________ How many atoms of each element are in the formula shown? C = ______ O = ______ How many atoms of Hydrogen are in this formula as shown
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Asvfdbdfklsdbnvipsdbnipvbnvklsbnaklvnsdklavnklscnvm‚ cxzklv xkclbzviksdbaivbiasdfvbklfbsdklvbkdfvm bxcm‚bvjbsjav mxd vcxmbvbawjbviwoabvm ksdbnvksbdklvbsdabvjxcbmv bcmzx‚cvoweFJWEOVJL;svl:ZXN‚.VN.CXZNBIORAWEN9HSdkVN‚ZXC VM XCVBIWEBAVKB KLDB VOZB KXCNVKX VKXCHNVK IX MXCI NVSDM VISD VSDIVN SKDNVISDNKVN/ASDNV ASDIVNAWEK FVSDNI VSDVKLSDNVKXCZNVNWENVSDA VSDAVSADOVJWEV SD SDV SDVSD VSDV SDVSD The quality of U.S. and Canadian tap water is generally quite good‚ but chlorine is often added as a disinfectant
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