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stiks02 [169]
3 years ago
14

What physical property would be the most useful in the separation of very fine saw dust and salt?

Chemistry
1 answer:
Natasha2012 [34]3 years ago
3 0

Answer:

The solubility properties of the components.

Explanation:

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Discuss the classical bonding model which best explains the bonding in the compound nah2po4
Ipatiy [6.2K]

The classical bonding model which best explains the bonding in the compound NaH₂PO₄ is Hydrogen bonding.

<h3>What is Classical bonding model ?</h3>

By classical, we mean models that do not take into account the quantum behavior of small particles, notably the electron.

These models generally assume that electrons and ions behave as point charges which attract and repel according to the laws of electrostatics.

Sodium dihydrogen phosphate (NaH₂PO₄) is monoclinic, In which, the four independent hydrogen atoms were located on a difference map; they are involved in four O … O Hydrogen-bonds of length 2.654 (2), 2.589 (2), 2.559 (2), and 2.500 (2) Å.

The short contact (2.500 Å), which is not astride any symmetry element, is of the type O-H … O (asymmetrical).

The distorted coordination polyhedra of the sodium atoms are discussed in the light of recent theories on electrostatic balance.

Hence, the classical bonding model which best explains the bonding in the compound NaH₂PO₄ is Hydrogen bonding.

Laern more about Bonding model here ;

brainly.com/question/26803496

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6 0
2 years ago
Isotopes of an element will {always, sometimes, or never) have the same number of protons.
dusya [7]

Answer:

Isotopes of an element will ALWAYS have the same number of protons.

Explanation:

4 0
3 years ago
How many moles of nitrogen dioxide are required to produce 3.56 moles of nitric acid?
alekssr [168]
Considering the reaction:
3NO₂ + H₂O → 2HNO₃ + NO

To produce 3.56 moles of nitric acid, we require:
3.56 x 3/2 moles of NO₂
Moles of NO₂ = 5.34 moles of NO₂
8 0
3 years ago
PLEASE HELP
LenaWriter [7]

Hello!


I don't know a lot of this but after doing just a bit of research I think the answer is either A. or C. but I think it is A.


Hope it helps?

5 0
3 years ago
11. Calculate the number of atoms in 2.00g of platinum.
Serggg [28]

Answer:

Explanation:

All you need to know is the atomic mass of platinum, and Avogadro's number.

2.00g Pt divided by atomic mass gives you the moles of platinum, and multiplying by avogadro's number (6.022 x 10^23) gives you the number of atoms.

Atomic mass of platinum can be found on any periodic table.

Hope this helped.

7 0
4 years ago
Read 2 more answers
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