'Conical flask' diaporamas de présentation

Chemical Equations and Stoichiometry

3. Chemical Equations and Stoichiometry. 3.1 Formulae of Compounds 3.2 Derivation of Empirical Formulae 3.3 Derivation of Molecular Formulae 3.4 Chemical Equations 3.5 Calculations Based on Chemical Equations 3.6 Simple Titrations. 3.1. Formulae of Compounds.

1.58k views • 126 slides

Chemistry project

Chemistry project. To determine the percentage of calcium carbonate in eggshell. Lin Yin Shing (23) Hung Ching Yin (4) Wai Sze Wah (8) Poon Yee Man (7) Yuen Chun Fai (30). Content. Introduction Principle of this experiment

1.06k views • 34 slides

Titration

Titration. By Dr H W Winter. Sampling Glassware.

799 views • 31 slides

Factors affecting the production of broadband acoustic emission signals and their use in particle characterisation

Factors affecting the production of broadband acoustic emission signals and their use in particle characterisation. Nichola Townshend and Alison Nordon WestCHEM, Department of Pure and Applied Chemistry and CPACT University of Strathclyde, Glasgow, UK. Benefits of acoustics. Non-invasive

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SALT

784 views • 29 slides

Chemistry Project: Acids and alkalis

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How much iron is in an iron tablet?

How much iron is in an iron tablet?. Group members: Choi Chuen Ching (5) Fong Ka Yee (6) Leung Chi Lai (12) Lui Lai Sin (16). Aim. To investigate how much iron is in iron tablets.

554 views • 24 slides

Physical quantities, units and measurements

Physical quantities, units and measurements. Base quantities and units. Multiplying or dividing by base quantities produces derived quantities. Some quantities are dimensionless, eg., relative density. Examples of derived quantity . Common multiples and submultiples of units. submultiples.

1.25k views • 21 slides

HKCE Chemistry

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Volumetric Analysis ????

Volumetric Analysis ????. Topic IV Acids and Bases Topic XV Analytical Chemistry. Learning outcome. Manipulate titration apparatus pipette burette conical flask volumetric flask electrical balance Detection of end point Calculations. pipette. Washing tap water

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The Microbial World

421 views • 17 slides

Respiration

Respiration. Link Reaction and Krebs Cycle. Glycolysis recap. Where does it happen? Why is it required? What does it produce? Anaerobic versus Aerobic. Link Reaction. Pyruvate needs to be OXIDISED before it enters the Krebs Cycle What is a good oxidising agent?. Link Reaction.

277 views • 17 slides

Experimental Reports

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Experiments from class IX Biology text book.

Experiments from class IX Biology text book. Aim of the experiment: To prove that carbon dioxide is produced during respiration in germinating seeds. Materials required:

506 views • 14 slides

Transition Metals

Transition Metals. Key words; transition metals, smelting, electrolysis. Copper is used in wires and cables because of its good electrical conductivity, and used in plumbing because it is unreactive with water.

606 views • 12 slides

Solutions

Solutions. What is a solution?. Solution is a mixture of solute and solvent. Solute (normally solid) dissolves in solvent (liquid) to form the solution . In salt solution, salt is the solute and water is the solvent.

303 views • 10 slides

Acids and Alkalis

Acids and Alkalis. All Acids contain H + ions. Common examples are: Hydrochloric acid: H + Cl - Sulphuric Acid: H 2 + SO 4 2- Nitric Acid : H + NO 3 - All Alkalis contain OH - ions.

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Be very careful as hydrogen peroxide is an irritant.

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Neutralisation

Neutralisation. Can you see any links?. What happens when an acid is mixed with an alkali?. Collect a conical flask containing an alkali solution. Fill syringe with acid Add 0.5mls of acid to the alkali and swirl Record the colour Repeat steps 3 and 4. Line Graph.

204 views • 5 slides

Equivalence point Titre Indicator Burette Pipette Volumetric flask Conical flask

Equivalence point Titre Indicator Burette Pipette Volumetric flask Conical flask. Is the volume of solution from the burette that has been used Is used to transfer a certain volume of solution accurately (aliquot) Is used to prepare a standard solution

155 views • 2 slides