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Cerrena [4.2K]
2 years ago
15

What is sewageband dirty amd water​

Chemistry
1 answer:
Sav [38]2 years ago
7 0

Answer:

Sewage is a liquid containing wastes from households, industrial and agricultural activities discharged into water and it is dirty water.

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Calculate the pH of a solution having the following ion concentrations at 298 K. [H+] = 4.6 × 10^-2 M
hodyreva [135]

Answer:

The pH of the solution is 1.34, being an acidic pH.

Explanation:

pH is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.   The acronym pH stands for hydrogen potential.

The pH scale ranges from 0 to 14. Values ​​less than 7 indicate the acidity range and those greater than 7 indicate alkalinity or basicity. Value 7 is considered neutral. Mathematically, pH is the negative logarithm of the molar concentration of hydrogen or proton ions (H⁺) or hydronium ions (H₃O⁺).

pH= - log [H⁺] = - log [H₃O⁺]

In this case, [H⁺]= 4.6*10⁻² M. Replacing:

pH= - log 4.6*10⁻²

Solving:

pH= 1.34

<u><em> The pH of the solution is 1.34, being an acidic pH.</em></u>

<u><em></em></u>

5 0
4 years ago
What is a substance?
lakkis [162]
A. Because it is a particular kind of matter with uniform properties.
3 0
3 years ago
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Why is potassium nitrate classified as an electrolyte?.
ch4aika [34]

Answer: It is a molecular compound. (2) It contains a metal. (3) It can conduct electricity as a solid.

5 0
3 years ago
Match the element with number of valence electrons
Alla [95]

Answer:

Oxygen-O = 6

Carbon C = 4

Gallium G = 3

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Potassium K = 1

Hydrogen H = 1

Helium H = 2

Explanation:

6 0
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The maximum number of electrons in a p-sublevel is: 2 6 1 10 14
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P orbitals have 3 sub-shells, each of which can hold one pair of electrons that have opposing spins. This leads to p orbitals holding a maximum of 6 electrons
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4 years ago
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