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olasank [31]
3 years ago
9

Help plz, don't paste link for answers, not going to help at all

Chemistry
2 answers:
vazorg [7]3 years ago
4 0

Answer:

the answer is : true ice and snow melts into water in sublimation

nadezda [96]3 years ago
3 0
True, ice or snow does melt into water in sublimation.
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Yes it is.. because
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6 0
3 years ago
Whats the structure and bonding of sodium chloride
anastassius [24]
Sodium Chloride is ordinary table salt

You have a small sodium atom with a positive charge Na+, and a larger chlorine atom with a negative charge, making it a Chloride ion, Cl-.

This ion formation has resulted from Na transferring one of its electrons to Cl. there opposite charges then attract them to each-other.

Because the electrons are transferred rather than shared, we know that the bond is Ionic, rather than covalent.

Most ionic compounds, if not all, are salts that form a crystal lattice structure, due to the opposite charges in the molecule.

Think of it like this

Na+—Cl-
Cl—-Na+
Na+—Cl-

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8 0
3 years ago
Convert to moles:<br> 100.0g Ca3(PO4)2
salantis [7]

Answer:

0.322 moles

Explanation:

Given Mass, m = 100 g

The molar mass of Ca₃(PO₄)₂

Ca₃(PO₄)₂ = (3 x 40.08) + (2 x 30.97) + (8 x 16.00)

M = 310.18 g/mol

Let there are n number of moles,

n = given mass/ molar mass

n=\dfrac{100 }{310.18 }\\\\n=0.322\ mol

So, there are 0.322 moles.

6 0
3 years ago
Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about
Allushta [10]

Answer:

The atoms are vibrating in place.

Explanation:

One of the properties of an ionic substance is the possession of a crystalline structure. As Gerry observed the salt under a microscope, he discovered that it has a crystalline structure. Crystalline salts are all ionic in nature, hence the salt observed by Gerry is an ionic salt.

Solids containing a definite crystalline structure always has their particles vibrating in place. This is immediately evident as Gerry looks at the salt through a microscope.

7 0
4 years ago
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