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notka56 [123]
3 years ago
11

Compare and contrast the molecular activity of solids, liquids, and gases.​

Chemistry
1 answer:
cupoosta [38]3 years ago
5 0

Answer:

The molecules in a solid are close together and they vibrate in place. The molecules in a liquid move quickly and farther apart from eachother. The particles in a gas move freely at high speeds and slide past eachother.

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When the [H+] in a solution is 1.7 × 10−9 M, what is the pOH ?
Marysya12 [62]
<em>[H⁺] = 1,7×10⁻⁹  mol/dm³</em>

pH = -log[H⁺]
pH = -log[<span>1,7×10⁻⁹]
<u>pH = 8,77</u>

pH + pOH = 14
pOH = 14-8,77
<u>pOH = 5,23

</u>:)
</span>
7 0
3 years ago
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Vitellium (Vi) has the following composition:
Dvinal [7]
Answer is: <span>C.)It will be closer to the mass of Vi–193.
</span><span>Average atomic mass of vitellium =
Ar(Vi-188) </span>· ω(Vi-188) + Ar(Vi-191) · ω(Vi-191) + Ar(Vu-193) · ω(Vi-193).
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4 0
3 years ago
Explain why the ionization energy to remove a second electron from potassium is higher than the ionization energy to remove four
never [62]

Explanation:

It is more difficult to remove electrons from the second shell or energy level because of the imbalance between the positive nuclear charge and the remaining electrons.

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  • The first ionization energy is the energy needed to remove the most loosely bound electron of an atom in the gas phase in ground state.
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7 0
3 years ago
So no one go help me wit my chemistry huh
kramer

Answer:

depends...

on how difficult it is

5 0
3 years ago
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