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Sholpan [36]
4 years ago
7

Why is a buffer important?

Chemistry
1 answer:
balandron [24]4 years ago
4 0

Load your videos.............

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How many atoms are in this formula? 4 O2 A 2
Effectus [21]

Answer:

8 atoms as 4*2=8

Explanation:

4 0
3 years ago
All of the following undergo hybridization except <br><br> A. C<br> B. Si<br> C. Mg<br> D. B
Pavel [41]

Answer:

C: Mg

Explanation:

Hybridization of atomic orbitals is a fundamental concept introduced by Pauling that describes the mixing of orbitals at an atom which adds a definite direction to the Lewis - shared electron pair or electron chemical - bond concept.

Carbon(C) can hybridized on sp, sp2 and sp3 simply because it's valence shell gives room for it.

For silicon(si), when forming covalent bonds with other atoms, it's 3s and 3p orbitals are mixed with each other to form new hybrid orbitals.

Magnesium in itself doesn't hybridized except in magnesium hydrides.

Boron orbitals(B): when boron forms bonds with three other atoms like borazine, they are hybridized to either the sp2 or hybridized to the sp3 which occurs when boron forms bonds with four atoms just as is in metal borohydrides.

7 0
3 years ago
How do isotopes affect the average atomic mass of an element?
kirill [66]

Answer:

The versions of an element with different neutrons have different masses and are called isotopes. The average atomic mass for an element is calculated by summing the masses of the element's isotopes, each multiplied by its natural abundance on Earth.

Explanation:

7 0
3 years ago
the physical properties of 10 grams of iron are the same as the ___ properties of 20 grams of iron a) reactive b) physical c) ch
Katen [24]
B) Physical. No matter how much of something there is, it is still considered that thing. They still have the same physical properties, just in a higher proportion. A larger amount of something would make it react differently to different catalysts, as well as chemically.
7 0
3 years ago
What does the chemical formula C3H6O2 tell about a molecule of the compound it represents?
finlep [7]
I think it might be C
5 0
3 years ago
Read 2 more answers
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