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kykrilka [37]
3 years ago
11

What is an item or substance that would react with hydrochloric

Chemistry
2 answers:
Tanya [424]3 years ago
6 0
Soap because it is basic
vovikov84 [41]3 years ago
4 0
Magnesium(?)
<span>2 HCl + Mg ? MgCl2 + H2</span>
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What is true about resonance structures? Select the correct answer below: They are all different molecules. The interconvert wit
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Answer:

The correct answer is: <em>They each partially describe the bonding in a molecule.</em>

Explanation:

Some chemical molecules cannot be described completely by using only one Lewis structure. In these cases, we can describe the molecule by drawing 2 or more Lewis structures, and the structures are called <u>resonance structures</u>. The overall molecular structure is explained by all the resonance structures together. So, they each describe the bonding in the molecule only partially.

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3 years ago
How many liters of oxygen are in 8.32 moles of oxygen at STP
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Answer:

186 Liters at STP conditions

Explanation:

1 mole of any gas at STP conditions occupies 22.4 Liters.

Therefore, 8.32 moles O₂(g) = 8.32 moles x 22.4Liters/mole = 186 Liters (3 sig.figs.)

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What does the symbol (s) represent when it is next to an atom?
AlekseyPX

Answer:

The symbol for an atom indicates the element via its usual two letter symbol, the mass number as a left superscript, the atomic number as a left subscript (sometimes omitted), and the charge as a right superscript.

Explanation:

I hope that helps!! sorry if it dont!

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3 years ago
All elements can be classified as metals, metalloids, or ?
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Elements within a period have the same number of what?
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etc.
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