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Drawing up a reaction equation: Tips
Difficulties with formulating reaction equations? These tips will help you or your students to prepare reaction equations easily and correctly. A separate video has been developed for the exercises.
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Reaction patterns between inorganic substance classes
Reaction patterns or coherence between the inorganic substance classes: an overview of the different reactions that can take place between the inorganic substance classes. In this lesson we will discuss the five basic reactions:
- metal + oxygen gas …
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Precipitation reactions: Theory and detailed exercises
A video about the basic chemical principles behind precipitation reactions and explanations of exercises with precipitation reactions.
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L'adjectif numéral ordinal: French-language explanation video
Explanation video about the formation of the ordinal numbers.
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Le conditionnel present: Explanation video
Explanatory video on the use and formation of verbs in le conditionnel present.
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L'imparfait: French-language explanation video
Explanatory video about the formation of the imparfait .
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Le futur proche: French Explanation Video
Explanation video explaining how to conjugate a verb in the futur proche.
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Les verbes pronominaux: French explanation video
Explanation video explaining how to conjugate a verb pronominal in the indicative present.
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Les verbes en -ir, type finir: French explanation video
Explanation video about the formation of regular verbs ending in -ir, type finir in the indicative present.
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Microbial fuel cell
Microorganisms can supply electrons by decomposing organic materials and in this way generate a potential difference. For example, a biofuel cell can function as a battery.
The document contains instructions for use that describe how to make a …
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L'impératif: French-language explanation video
Explanation video about the imperative mood or command form. The impératif of reflexive verbs is also discussed.
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Les verbes en -re: French explanation video
Explanation video explaining how to conjugate a regular verb with -re in the indicative present.
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