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Measurement of pH and titration: Practicum
In this exercise you determine the electrical voltage by means of the concentration difference between hydroxoniumionen in a buffer solution and a solution to be measured.
The voltage measurement then use to determine the acidity.
The worksheets …
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Measurement of acidity: Practicum
In this exercise prepared test solutions (0.10 mol / l), which you then determines the acidity of indicators and a pH meter.
Based on your measurement you catalogeer the substance being studied in the class: acidic, basic or neutral.
The …
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Electrical conductivity of materials: Practical
In this exercise you go conducts with simple equipment to what extent any substance (solid, liquid, gaseous or in solution), the electric current at a voltage of 4.5 V. With the aim to establish a link between the chemical structure and the …
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Electrical conductivity of solutions: Practicum
In this exercise you go after an insoluble composite substance to what extent in solution conducts electrical current at a voltage of 12.0 V
The worksheets for this lab are structured according to:
- necessities;
- arrangement;
- experiment;
- …
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Serious Game: Blog
Anyone who is obsessed with serious games and would like to discover a few can visit http://blog.seriousgame.be You will find discussions and announcements of French-speaking serious games. One part is completely dedicated to edugames. On the site …Translated by
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Hydrates: Practical
In this exercise you investigate which color change occurs when you heat a hydrated salt intensively with a Bunsen burner. After heating and cooling of the dehydrated salt do you observe what happens when you add water again.
The worksheets for …
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Hydration and dehydration of salts: Practicum
In this practical research you what physical characteristics will exhibit a salt, when the water in the salt is extracted by heating. Then you can examine the response shows the dehydrated salt and again water is added.
The worksheets for this lab …
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Determination of the amount of crystal water in a salt: Practical
In this exercise you research through mass measurement the amount of hydrate water in a random salt.
The worksheets for this lab are structured according to:
- principle;
- necessities;
- method;
- Results;
- calculations.
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Substance Classes: Practical
In this exercise you are going to show what behavior after agents from the same substance class (eg acids) versus a specific reagent (for example, magnesium metal).
The worksheets for this lab are structured according to:
- purpose of the trial; …
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Mineral dust classes: Practical
In this exercise you go through indicators, looking for similarities between the chemical properties of substances out of the same drug class.
The worksheets for this lab are structured according to:
- purpose of the trial;
- necessities;
- …
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Metal ions detection: Practicum
In this exercise you add salt solutions together, then go check whether there is or is not a chemical precipitation.
The worksheets for this lab are structured according to:
- purpose of the lab;
- necessities;
- experiment.
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Physical and chemical properties of substances: Practicum
In this practical subject your hypotheses in experiments and identify your products of combustion of an alkane.
The worksheets for this lab are structured according to:
- purpose of the lab;
- necessities;
- examination of the dipoolkarakter with …
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