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Klio2033 [76]
3 years ago
8

Is wood a colloid or suspension ?

Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
7 0
Wood is a suspension.

The easiest way I believe to find out whether a substance is a colloid or a suspension is determining is determining if the particles in a substance separate when sitting still. Unlike those in a suspension, particles in a colloid do not separate when sitting still.

Hope this helped!
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Sheilding effect definition please
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Answer:

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Explanation:

The shielding effect sometimes referred to as atomic shielding or electron shielding describes the attraction between an electron and the nucleus in any atom with more than one electron. The shielding effect sometimes referred to as atomic shielding or electron shielding describes the attraction between an electron and the nucleus in any atom with more than one electron.

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3 years ago
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The CI-B-Cl bond angle in the BCl_3 molecule is O 180° O 90° O 120° 060° 109.5°
noname [10]

Answer:

120°

Explanation:

   Valence electrons of boron = 2

Valence electrons of chlorine = 7  

The total number of the valence electrons  = 3 + 3(7) = 24

The Lewis structure is drawn in such a way that the octet of each atom in the molecule is complete. So,  

The Lewis structure is:

             

               

There is no lone pair involved, so, It is of type AB₃.

According to the theory, the atoms will form a geometry in such a way that there is minimum repulsion and maximum stability.  

So, it is of triangular shape, with bond angle , 120 ° .

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3 years ago
How many molecules of As4010 are in 6.2 mol of As4010?
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Explanation:

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According to VSEPR theory what causes molecular shapes to form?
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Answer:

C: the repulsion of electrons and electrons.

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3 years ago
Account for the differences in the physical and chemical properties of dinitrogen and white phosphorous based on their Lewis str
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Answer:

a-The dinitrogeno is a mononuclear diatomic formed by two nitrogen atoms united by a covalent union instead the white phosphorus is a common allotrope of the chemical element phosphorus, nowadays it exists as molecules integrated by four muscles in a tetrahedral structure

b-In addition to its offensive capabilities, white phosphorus is also a highly efficient smoke agent, capable of rapid burning and producing instant smoke screens. For this reason, white phosphorous ammunition is common in infantry smoke grenades and grenade launchers, as well as tank, armored vehicle, cannon, and mortar ammunition.

The incandescent particles of white phosphorus produced in the initial explosion can produce deep, extensive and painful second and third degree burns. Phosphorus burns carry a higher mortality than other types of burns due to the absorption of phosphorus in the body through the areas reached, damaging internal organs such as the heart, liver or kidney.

These weapons are particularly dangerous to personnel because white phosphorus burns unless it is deprived of oxygen or until it is completely consumed, in some cases reaching the burn to the bone. In other cases, burns may be limited to areas where the skin is exposed because phosphorous particles do not completely burn through clothing. According to GlobalSecurity.org, quoted by The Guardian, "White phosphorus causes painful chemical burn damage."

Explanation:

Each chemical component presents different presentations in their orbits, and different amounts of electrons, this makes them act in different ways, some when reacting can be lethal and others not, on the other hand it is important to consider the simplicity of these molecules and the consequences they generate , and this only happens by the forces of their unions.

7 0
4 years ago
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