Osmosis: a "chemical garden"

Article no. P7160000 | Type: Experiments

10 Minutes
10 Minutes
grades 7-10
easy
Pupils
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Also part of:

Student set Acids, Bases, Salts, TESS advanced Chemistry

Article no. 25302-88 | Type: Set

Delivery time: available
Student set Acids, Bases, Salts digital, TESS advanced Chemistry

Article no. 25302-88D | Type: Set

Principle

Salts react with water glass by dissolving partly but also by forming a slllcate envelope. Due to a diffusion through this envelope (osmosis), an increased internat pressure is generated which causes the crystals to "grow".

Tasks

Prepare a "chemical garden" by means of salt crystals.

 

Benefits

  • Easy teaching and efficient learning by using interactive experimentation PHYWE-Software
  • Experiment is part of a complete solution set with experiments for the topic acids, alkalis and salts matched with international curriculum: all topics are covered

 

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p7160000_ru .pdf
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