'Colorimetry' diaporamas de présentation

Powerpoint to help with unit 32 M2 and D2

Powerpoint to help with unit 32 M2 and D2. M2: Explain chemical techniques and how they work D2: Evaluate the chemical techniques (when its appropriate to use them and pros/cons). Chromatography. This is used to separate out components in a mixture. paper column thin layer (TLC )

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Definition of Reaction Rate

Definition of Reaction Rate. The reaction rate is the increase in molar concentration of a product of a reaction per unit time . . It can also be expressed as the decrease in molar concentration of a reactant per unit time. Factors Affecting Reaction Rates.

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Measuring rates of reaction

Measuring rates of reaction. Measuring rates. The rate of a reaction is the rate of change of concentration with time . ? C. Rate =. Where ? = difference. ? t. There are two ways of measuring the rate;. 1) The disappearance of a reactant. 2) The appearance of a product.

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ENVE 201 Environmental Engineering Chemistry 1

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