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MAXImum [283]
3 years ago
13

Triangles in an octagon​

Chemistry
1 answer:
elena-s [515]3 years ago
3 0

Answer:

what is the specific question

Explanation:

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NaOH(aq) is transferred into a test tube. CaCl2(aq) is added to the tube. What is the formula for the precipitate (if any) that
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Answer:

2NaOH (aq) + CaCl2 (aq) -> 2NaCl(aq) + Ca(OH)2(s)

Formula of precipitate: Ca(OH)2 <em>(s)</em>

Explanation:

First, we do the double replacement reaction to determine our chemical equation between the reactants and products. Once we have our products, with a solubility chart (I added one below) we can determine which of the products is soluble or insoluble.

In this case NaCl is soluble or aqueous (meaning it can dissolve in water) and Ca(OH)2 is insoluble (meaning that when the reactions takes place, these two will form a solid/precipitate)

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Steel cranes can carry heavy steel beams thousands of feet high during skyscraper construction. This is an example of:
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Hello!

The steel cranes lifting thousands of feet high during skyscraper construction is an example of the evolution of building techniques.

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