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Reactivity Series – Reactions of Metals and Water (includes model data and conclusion)
Introduction: The reactivity of metals with water is an important topic in chemistry, as it helps us understand the behavior of metals and their potential uses in different applications. In this investigation, we will determine the order of reactivity of a series of metals with water. Materials and Methods: Materials: Methods: Results: The following observations… Read more
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Reactivity Series – Reactions of Metals and Acids
Introduction The reactivity of metals with acids is an important topic in chemistry. In this investigation, we aim to determine the order of reactivity of metals with dilute hydrochloric acid. Dilute hydrochloric acid is an acidic solution that reacts with metals to form metal chlorides and hydrogen gas. The reaction rate of this reaction can… Read more
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How to score full marks in the conclusion evaluation section of the IBDP science IA, specifically dealing with error analysis.
In the conclusion and evaluation section of your IBDP Chemistry IA, you should summarize the results of your experiment and discuss the overall findings. This section should also include an analysis of any errors that may have occurred during your experiment and ways to improve the experiment in the future. Here is a guide to… Read more
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Esterification Reaction and equilibrium constant determination.
Esterification is a common organic reaction that involves the reaction of a carboxylic acid with an alcohol to form an ester and water. In this experiment, we will be carrying out an esterification reaction to test the equilibrium position at different temperatures using ethanoic acid and ethanol. Safety precautions: • Wear personal protective equipment (PPE)… Read more
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The Winkler Method – Biological Oxygen Demand BOD
The Winkler method is a widely used analytical technique for determining the amount of dissolved oxygen in water samples. Dissolved oxygen is essential for aquatic life and is an important indicator of water quality. The Winkler method involves the addition of reagents to a water sample that react with dissolved oxygen to produce a measurable… Read more
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Demonstrating Group 1 Metals with Water
Objective: To observe the reactivity of Group 1 metals (alkali metals) with water. Materials: Safety Information: Procedure: Assessment: Students can be assessed through their observations and participation in the experiment, as well as their ability to answer questions about the properties of alkali metals and their reactions with water. Extension: Students can research other reactions… Read more
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