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zzz [600]
3 years ago
11

If the pH of a solution increases by 2 units what is the ratio of the new to original hydronium ion concentration?

Chemistry
1 answer:
atroni [7]3 years ago
3 0
It is 1/100 of its original base.
I hope I helped! :)
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I. The solubility of NaCl at 25 degrees C would be between the solubilities at 20 and 30 degrees C. A reasonable answer would be 36 grams/100 g water
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iii. At 50 degrees C, a saturated ammonium chloride solution will have 50.6 grams of salt per 100 g water. At 20 degrees C, the solution can hold only 37.3 grams of salt per 100 g water. Thus, 13.3 grams of salt will precipitate per 100 grams of water.
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Which statement applies to electronegativity?
densk [106]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Electronegativity is defined as the tendency of an atom to attract the shared pair of electrons towards itself whenever a bond is formed.

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This property decreases as we move from top to bottom in a group because the electrons get add up in the new shells which make them further away from the nucleus.

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Assuming that both cases describe hydrogen‑like atoms with one electron, for which case is more energy emitted or absorbed?
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Assuming that both cases describe hydrogen‑like atoms with one electron, More energy is emitted or absorbed for case 2. The correct option is D.

<h3>What is emitting of energy, by electron?</h3>

The energy of the electron decreases as it changes levels, and emission of photons happens in the atom.

With the electron moving from a higher to a lower energy level, the photon is emitted. The photon's energy is the same as the energy lost by an electron moving to a lower energy level.

Thus, the correct option is D, More energy is emitted or absorbed for case 2.

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