京东 11.11 红包
Iodine Thiosulfate Redox Titration Demonstration
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AS化学实验_Running an acid base titration analysis (phenolphthalein as indicator)
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Redox titration lab - permanganate and iron (II) under acidic conditions
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Simple Redox Titration
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Titration NaOH vs HCl using phenolphthalein as indicator
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Study of an Iodine Clock Reaction
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Reduction of copper oxide by hydrogen (7.4 Redox)
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Chemical equilibrium demonstration
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Acid Base Titration using Methyl Orange as indicator
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II-1 Redox_一道氧化还原反应配平问题的解答(1)_s21/qp23/q1
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Thermometric Titration with calculations (II-2 Chemical energetics)
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phenolphthalein as indicator
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Rates Of Reaction_sodium thiosulfate with acid
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I-3_环己烷萃取碘单质(Extraction of Iodine using cyclohexane)
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Acid base Titration_using bromophenol blue
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Acid-Base Titration (Thymolphthalein end point)
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the dehydration of cyclohexanol to cyclohexene
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universal indicator
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testing for carbonate ions
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acid + calcium carbonate
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cracking a hydrocarbon
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identification of aluminium ion
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Thermal Decomposition of Zinc Carbonate (10.2 Reactivity series)
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litmus indicator
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Electrical conductivity with salt water
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Ch20 Electrochemistry assessed hw - scie sep. 2020 - 习题讲解
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IV-1_Bromination of alkenes烯烃让溴水褪色
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Nuclear Fission (Animation)
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identification of ammonium ion
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oxidation of alcohol_reflux vs. distillation
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臭氧层的破坏
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Thermal decomposition of calcium carbonate (10.2 Reactivity series)
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25军队文职真放水啊，但没想到这么水！答案已出直接背
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Pearson Edexcel (9-1) electrolysis of copper sulfate with copper electrodes
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⚡我 推 的 语 文 手 法⚡
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identification of copper(II) ion
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effect of pressure on equilibrium between NO2 and N2O4
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Flame tests on cations
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IV-1_Reaction between Methane and Chlorine (Photochlorination)
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Fehling's test
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Thermal Decomposition of Calcium Nitrate (10.2 Reactivity series)