'Methyl orange' diaporamas de présentation

C. Y. Yeung (CHW, 2009)

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Acids and Bases

Acids and Bases. Chapter 19. Acids. a substance which when added to water produces hydrogen ions (H + ) hydronium (H 3 O + ) is created Water + Hydrogen ion = hydronium H 2 O + H + = (H 3 O + ). Acids. Properties of. sour taste (lemons, vinegar)

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Alkalinity of water

Alkalinity of water. Def : It is due to the presence of those types of substances in water which have tendency to increase the concentration of OH - ions either by hydrolysis or by dissociation of water. Factors

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Safety in the Lab

Safety in the Lab. What is different about this classroom and every other classroom in your school?. Safety in the Lab. Do you think there are any special rules that apply to a Science Classroom? Can you write 5 down please. Safety in Science. How to use a Bunsen burner safely

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Determination of Carbonate and Bicarbonate in Soda By Titration

Determination of Carbonate and Bicarbonate in Soda By Titration. Rachel Jarrett Matt Marthaler. Purpose.

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Hydrolysis of an ester

Hydrolysis of an ester. Recall 3 facts about triglycerides . Learning objectives. Recall how to name triglycerides Describe how to undertake hydrolysis of an ester Explain the chemistry behind the reaction. How to name a fatty acid. Count the carbon atoms Count the double bonds

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ACIDS AND BASES

ACIDS AND BASES. www.lab-initio.com. Properties of Acids. Acids are proton (hydrogen ion, H + ) donors Acids have a pH lower than 7 Acids taste sour Acids effect indicators Blue litmus turns red Methyl orange turns red Acids react with active metals, producing H 2

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Acids and Bases

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Calculation of the equilibrium constant of indicator

Calculation of the equilibrium constant of indicator. Purposes . Use the Spectrophotometer (T60U) and pH meter to measure ? HIn ? , ? In - ? and ? H + ? in the solution , and calculate the equilibrium constant (Ka) of the equation .

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Chapter 46 Dyes and Dyeing Diazotization of Sulfanilic Acid & Preparation of Methyl Orange

Chapter 46 Dyes and Dyeing Diazotization of Sulfanilic Acid & Preparation of Methyl Orange. Purpose. In this experiment a separately prepared diazonium salt is coupled with N,N -dimethylaniline in a weakly acidic solution to give Methyl Orange.

455 views • 4 slides

Chapter 46 Dyes and Dyeing Diazotization of Sulfanilic Acid & Preparation of Methyl Orange

Chapter 46 Dyes and Dyeing Diazotization of Sulfanilic Acid & Preparation of Methyl Orange. Purpose. In this experiment a separately prepared diazonium salt is coupled with N,N -dimethylaniline in a weakly acidic solution to give Methyl Orange.

184 views • 4 slides