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babymother [125]
3 years ago
9

Which statement is true about a neutral solution? Its pH is less than 7. Its pH is greater than 7. It has the same concentration

of hydronium and hydroxide ions. It has a greater concentration of hydroxide ion than hydronium ions.
Chemistry
2 answers:
kumpel [21]3 years ago
7 0

Answer:

Option C It has the same concentration of hydronium and hydroxide ions is correct.

Explanation:

A neutral solution will have pH=7

and the concentration of hydronium ions and hydroixde ions is the same.

So, Option C It has the same concentration of hydronium and hydroxide ions

is correct.

katrin [286]3 years ago
6 0

Answer: Option (c) is the correct answer.

Explanation:

A solution whose pH is less than 7 is known as an acidic solution. In this solution, concentration of hydrogen ions is more than hydroxide ions.

Whereas a solution whose pH is more than 7 is known as a basic solution. In this solution, concentration of hydroxide ions is more than hydrogen ions.

On the other hand, when pH of a solution is equal to 7 then the solution will be known as neutral solution. That is, the concentration of both hydrogen and hydroxide ions is same in a neutral solution.

Thus, we can conclude that the statement it has the same concentration of hydronium and hydroxide ions, is true about a neutral solution.

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Elodia [21]

Answer:

Natural materials are those that are found in nature and have not been made by humans. By comparison, synthetic materials are man-made and cannot be found in nature. Synthetic products are usually created in laboratories by mixing different chemicals, or prepared compounds and substances made in a laboratory.

Explanation:

Natural materials are those that are found in nature and have not been made by humans. By comparison, synthetic materials are man-made and cannot be found in nature. Synthetic products are usually created in laboratories by mixing different chemicals, or prepared compounds and substances made in a laboratory

4 0
2 years ago
Mercury’s atomic emission spectrum is shown below. Estimate the wavelength of the orange line. What is its frequency? What is th
lions [1.4K]

The wavelength of the orange line is 610 nm, the frequency of this emission is 4.92 x 10¹⁴ Hz and the energy of the emitted photon corresponding to this <em>orange line</em> is 3.26 x 10⁻¹⁹ J.

<em>"Your question is not complete, it seems to be missing the diagram of the emission spectrum"</em>

the diagram of the emission spectrum has been added.

<em>From the given</em><em> chart;</em>

The wavelength of the atomic emission corresponding to the orange line is 610 nm = 610 x 10⁻⁹ m

The frequency of this emission is calculated as follows;

c = fλ

where;

  • <em>c is the speed of light = 3 x 10⁸ m/s</em>
  • <em>f is the frequency of the wave</em>
  • <em>λ is the wavelength</em>

f = \frac{c}{\lambda } \\\\f = \frac{3\times 10^8}{610 \times 10^{-9}} \\\\f = 4.92 \times 10^{14} \ Hz

The energy of the emitted photon corresponding to the orange line is calculated as follows;

E = hf

where;

  • <em>h is Planck's constant = 6.626 x 10⁻³⁴ Js</em>

<em />

E = (6.626 x 10⁻³⁴) x (4.92 x 10¹⁴)

E = 3.26 x 10⁻¹⁹ J.

Thus, the wavelength of the orange line is 610 nm, the frequency of this emission is 4.92 x 10¹⁴ Hz and the energy of the emitted photon corresponding to this <em>orange line</em> is 3.26 x 10⁻¹⁹ J.

Learn more here:brainly.com/question/15962928

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Answer:

Military

Explanation:

I may be wrong but military seems most likely

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The splitting of the sister chromatids marks the onset of anaphase. These sister chromatids end up the chromosome of the daughter nuclei.

Telophase

The chromosomes that cluster at the two poles start coalescing into an undifferentiated mass, because the nuclear envelope begins forming round it.

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