'Low surface area' diaporamas de présentation

Timo Nevalainen University of Eastern Finland Kuopio, Finland

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GASEOUS EXCHANGE A level

GASEOUS EXCHANGE A level. Chebet Milton Gayaza High School. IN THIS PRESENTATION. Definition of Gaseous Exchange Necessity of gaseous exchange Factors that affect the rate of gaseous exchange Characteristics of gaseous exchange surface/respiratory surface Types of respiratory surfaces

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What does rate of reaction mean?

What does rate of reaction mean?. The speed of different chemical reactions varies hugely. Some reactions are very fast and others are very slow. The speed of a reaction is called the rate of the reaction. What is the rate of these reactions?. rusting. baking. explosion. slow. fast.

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Hertzsprung-Russell Diagram

Hertzsprung-Russell Diagram. Astrophysics Lesson 11. Learning Objectives. To recap:- Analysis of absorption spectra gives clues as to the make up and surface temperature of stars. To know:- How to draw a Hertzsprung-Russell Diagram The range on each axis.

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Cellular Transport

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Reaction Rates

Reaction Rates. Chapter 12.1 and 12.4 of A Natural Approach to Chemistry. Rates of Reactions. How fast does a reaction occur?. Why Do We Care?. Sometimes we need to slow reactions down. Sometimes we need reactions to happen quickly. Why Do We Care?.

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