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Vika [28.1K]
3 years ago
11

When a solid compound is formed from chemicals which are in solution, it is called a?

Chemistry
2 answers:
SVETLANKA909090 [29]3 years ago
4 0

Answer: precipitate.


Explanation:


1) When the product of the reaction between the chemicals in the solution is insoluble, then it cannot remain in the solution and it will precipiate, forming a solid substance.


2) That happens, for example, when you have two solutions with different solutes, mix them together, the solutes can react chemically with each other, yielding a product that is insoluble.


3) A typical example of such kind of precipitation reactions is athe neutralization of an acid and a base.


Acid + Base = salt + water


If the salt is insoluble in water then it will form a a precipitate (solid), if the product is soluble in water then it remains as an aqueos ions in the solution.

FromTheMoon [43]3 years ago
4 0

Answer:Answer: precipitate.

Explanation:

1) When the product of the reaction between the chemicals in the solution is insoluble, then it cannot remain in the solution and it will precipiate, forming a solid substance.

2) That happens, for example, when you have two solutions with different solutes, mix them together, the solutes can react chemically with each other, yielding a product that is insoluble.

3) A typical example of such kind of precipitation reactions is athe neutralization of an acid and a base.

Acid + Base = salt + water

If the salt is insoluble in water then it will form a a precipitate (solid), if the product is soluble in water then it remains as an aqueos ions in the solution.

Explanation:

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Explanation:

It is known that for NO_{2}, ppm present in 1 mg/m^{3} are as follows.

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So, 150 pg/m^{3} = \frac{150}{1000} mg/m^{3}

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Therefore, calculate the equivalent concentration in ppm as follows.

             0.15 \times 0.494 ppm

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Thus, we can conclude that the equivalent concentration in ppm at STP is 0.074 ppm.  

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