Ammonia Essay Examples

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Separating a Mixture of Compounds

I.Purpose The purpose of this experiment is to separate three components; SiO₂, NaCl, and NH₄Cl through Sublimation, filtration and evaporation to determine the mass and mass percentage of each component. II.Experimental Method EquipmentChemicals Evaporating DishPowdered Mixture A 2 50ml beakerWater Balance Thermometer Bunsen burner III.Raw Data and Calculations Mass of empty evaporating dish76.00g Mass of…

Chem 101 Lab Report 2

Mixtures are made up of substances or components. If the mixture is fairly uniform in composition, properties, and its overall appearance, it is homogenous. If the component parts are clearly separated, it is heterogeneous. In order to identify the components in a mixture, methods must be used to sort out the components. However, the same…

Development of an Equation

Purpose: Investigate a chemical reaction using lab procedures and observations. Then, find a pattern of reactivity and explain the findings using a chemical equation and particle diagram. Procedure: Refer to: Department of Chemistry, The Ohio State University. “Development of an Equation.” General Chemistry 1210 Laboratory Manual. Vol. 2013-2014. Plymouth: Hayden-McNeil. 32-35. Data/Results: Part A: In…

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Rate of Diffusion

To test the effect of molecular weight on the rate of diffusion, various experiments were performed. One of which is the glass tube test wherein cotton balls of the same size were moistened in two different substances (NH4OH and HCl). These cotton balls were plugged at each side of a glass tube. After some time,…

Extended Experimental Investigation

Abstract: Cold packs are based on the principle of endothermic reactions, which means a reaction that absorbs heat from the surrounding resulting in a temperature drop. Due to this temperature drop, cold packs have many benefits when it comes to injuries such as sprains and strains. It cools the local tissue and reduces bleeding, swelling…

Studying the pH of Strong Acid

The purpose of the current experiment was to determine the pH of various hydrochloric acid and acetic acid solutions, to determine the pH of various salt solutions, to prepare a buffer solution, and determine the effects of adding a strong acid and strong base to the buffer solution versus adding a strong acid and strong…

Mummion risk assessment

ChemicalProced-ure or equipm-ent Risks Precautions to be taken Safety regulations Concentrated sulphuric acid Test tube and pipette Corrosive skin and toxic if swollen Wear goggles and gloves when In contact with thisKeep locked up. Keep container dry. Do not ingest. Do not breathe gas/fumes/ vapour/spray. Never add water to this product. In case of insufficient…

Omnivores Dilemma

Learning Objective: The goal of this two day exemplar is to give students the opportunity to use the reading and writing habits they’ve been practicing on a regular basis to unpack Pollan’s investigative journalism of industrial farms. By reading and rereading the passage closely combined with classroom discussion about it, students will identify why and…

Qualitative Analysis-Part 2 Anions

Chloride Solution + 0. 1M AgNO3 =white precipitate formed, very fine texture. Iodide solution + 0. 1M AgNO3 =yellow/white precipitate formed, cloudy texture. Silver Chloride + ammonium hydroxide = white precipitate forms, slowly begins to disappear. Adding HNO3 the reappearance of a white precipitate began, indicating the presence of the chloride. SO4 solution + 0….

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