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nalin [4]
3 years ago
6

An element has an atomic number of 30. How many protons and electrons are in a neutral atom of the element?

Chemistry
1 answer:
anygoal [31]3 years ago
7 0
<span>30 protons, 30 electrons is your answer!:)</span>
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Balance the equation, Al203 + H2S04 to Al2(S04)3 + H20
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It is 1-3-1-3

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How do H3O+ and OH relate to acids, bases and the pH scale?
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Answer: An acid is defined with having more [H₃O+] ions, and a base is defined with having more [OH-] ions. On the pH scale, an acid has a lower pH and a base has a higher pH. With this being said, the lower the pH, the more [H₃O+] ions are present and the higher the pH, the more [OH-] ions are present.

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Plan an investigation using solid and liquid water to show that thermal energy is not the same as temperature.
algol [13]

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The response is No, because the lake is known to have a lot more particles than the glass of water and so they will not have the same  thermal energy.

Note that the temperature is seen as the an average and thermal energy is seen to be the total. A glass of water can be able to have the same temperature as what we call Lake Superior, but the lake has a lot of thermal energy due to the fact that the lake has a lot of water molecules.

So the investigation using solid and liquid water to show that thermal energy is not the same as temperature is Place a glass of water and a lake and both should be at the same temperature, find out if do they have the same amount of total thermal energy.

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brainly.com/question/19666326

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<u><em>See attachment for explanations.</em></u>

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