UTAR FHSC1134 Inorganic Chemistry Trimester 3 Experiment 1 ________________________________________________________________________ Title: Investigating the Properties of Period 3 Oxides Aim: To examine the oxides of Period 3 elements and describe their structure and bonding. Introduction: Generally‚ there are oxides of metals and non-metals. Metals burn in oxygen to form basic oxides while non-metals form acidic oxides. Structurally‚ they are covalent or ionic compounds. You are to
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INTRODUCTION: Carbohydrates are the product that made up from carbon‚ hydrogen and oxygen. Carbohydrates are form by the combination of carbon dioxide and water molecules. The carbohydrates contain two specific functional group in it which is the hydroxyl groups and carbonyl groups.A reducing sugar is a type of sugar with is an aldehyde group.This means that sugar can act as a reducing agent.The procces of reducing sugar is isomerisation‚example of reducing sugar islactose
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the based-catalyzed halogenation of the ketone that forms a trihalo ketone. First‚ the bleach is transformed into chlorine and hydroxide ions through the following reaction: Then‚ the hydroxyl is able to attack the rather acidic (pKa ~ 20) α-hydrogen of the ketone. This acidity is due to the stability of the resonance structures of the corresponding enolate ion that forms upon dissociation. When the hydroxide is able to subtract a hydrogen atom‚ a carbanion is formed. This carbanion is a very strong
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St. Joseph School/ Ramallah Chemistry lab Report Students name: Laila Salah Date of exp: 11 /4/2013 Partner’s name: Wattan Date of sub: 25 /4/2013 T.Dima Mogannam kaibni Class: 11thsci.stream -------------------------------------------------------------------------------------------------------------
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Two main classifications of single-replacement reactions are cation replacement reactions and anion replacement reactions. Cations are positively charged ions‚ which consists of all metals‚ while anions are negatively charged. Amrita University explains that in a cation replacement reaction‚ “One cation replaces another” and in an anion replacement reaction‚ “one anion replaces another from its solution
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Vitamin c Estimation by back(idiometric) titration Mahindra (UWC of India) Chemistry lab report for back titration Name: Ashenafi Asfaw Beyene Back (Indirect) Titration Vitamin C estimation by Back Titration Table1: The amount of volume (in cm3) and concentration (in M) of KI‚ KIO3‚ and H2SO4 which were used in the experiment of Vit C estimation
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silver and copper‚ solutions containing aqueous; Zn2+‚ Pb2+‚ Cu2+ and Ag+ ions (0.2 M)‚ hydrochloric acid (5.0 M)‚ emery paper‚ test-tubes. Method: Burnish the three metal strips to get a shiny surface‚ after drop a drop of each of the metal ion solutions on the cleaned metal strips. Wash it off after a few minutes‚ and if there is patina present‚ record it. To test the reaction between the solids and hydrogen (H+) ions a small piece of each metal was dropped into a test-tube with 0.5 M hydrochloric
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10.0 EXPERIMENT ON DETERMINATION OF DISSOLVED OXYGEN Sl. No. Contents Preamble 10.1 Aim 10.2 Introduction 10.2.1 Environmental Significance 10.3 Principle 10.4 Materials Required 10.4.1 Apparatus Required 10.4.2 Chemicals Required 10.5 Sample Handling and Preservation 10.5.1 10.6 Precautions Procedure 10.6.1 Preparation of Reagents 10.6.2 Testing of Water Sample 10.7 Calculation 10.7.1 Table 10.7.2 Data Sheet 10.8 Interpretation of Results 10.9 Inference 10.10 Evaluation
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Purpose: • To study some of the physical properties of two types of solids – ionic and molecular solids. • To classify three unknown substances as ionic compounds‚ polar covalent compounds or non-polar covalent compounds. • To identify the three unknowns. Observations: A B C Solubility in: • H2O • 2-Propanol Soluble Insoluble Soluble Insoluble Insoluble Soluble Conductivity None High None Melting Point 100 – 525 ℃ > 525 ℃ < 100 ℃ Odour Subtle None Very Strong Concluding
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Periodic Table Trends: Atomic Radius - half of the distance between the centers of two atoms that are touching each other decreases moving left to right increases moving top to bottom Ionization Energy - energy required to remove an electron increases moving left to right decreases moving top to bottom Electron Affinity - ability to accept an electron alkaline earth elements have low electron affinities halogens have high electron affinities noble gases have electron affinities near zero
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