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iVinArrow [24]
3 years ago
13

Which substance is a mixture Table salt Gasoline Aluminum Carbon Dioxide

Chemistry
2 answers:
NNADVOKAT [17]3 years ago
8 0

Answer:

carbon dioxide

Explanation:

its 2 or more things

evablogger [386]3 years ago
7 0
Answer: Gasoline
Explanation: a mixture is a mixture of two separate compounds. Table salt is Sodium Chloride which is only one compound (NaCl), carbon dioxide is only one compound (CO2), and aluminum is an element on the periodic table so it isn’t a mixture of anything, Gasoline on the other hand is a mixture of multiple different compounds.
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Give the number of lone pairs around the central atom and the molecular geometry of XeF4.A)0 lone pairs, tetrahedralB)1 lone pai
vovangra [49]

Answer: 2 lone pairs, square planar

Explanation:

Using the VSEPR ( Valence Shell Electron Pair Repulsion)Theory

To calculate the number of lone pairs electron can be done using the formula;

Number of electrons = ½ (V+N-C+A)

V mean valency of the central atom

N means number of monovalent bonding atoms

C means charge on cation

A means charges on anion

Therefore, to calculate the number of lone pair electron C=A=0;

Number of electrons = ½ (8+4) = 12/2 = 6

Number of bonding pair = 4

Number of lone pairs of electron = 6-4 = 2

The hybridrization of the compound is sp3d2 because the number of electrons around the central atom is 6.

The geometry of the compound is square planar and this is because of the repulsion between the bonding pair of electrons and lone pair of electrons which causes the lone pair of electrons to lie in a perpendicular plane in order to acquire stability.

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3 years ago
As the volume of a gas increases, what happens to the pressure of the gas?
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What is another name for the acid dissociation constant?
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