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Mrrafil [7]
2 years ago
6

If lung problems like emphysema occur, the blood ph of the patient is expected to ________.

Chemistry
1 answer:
skelet666 [1.2K]2 years ago
3 0
Decrease . because the natural ph of blood is 7.35 the neutral ph , diseases such as emphysema disrupts the ph causing it to become acidic .
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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.

4 0
3 years ago
Iron is extracted from its ore (hematite) in the blast furnace. Which gas is produced as a waste product?
Diano4ka-milaya [45]

Answer:

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Explanation:

CO2 or carbon dioxide is produced when iron is extracted from its ore. Carbon monoxide Co is used as reducing agent in iron extraction. In this reaction iron ore is reduced to iron and CO is oxidized to CO2 or carbon dioxide which is released in the process. There extraction of iron is redox reaction.

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3 years ago
Neil Bohr's model of the atom suggested that electrons are found in distinct paths. Question 11 options: True False
creativ13 [48]

Answer:

true

Explanation:

8 0
2 years ago
What mass of NH4NO3 would you need to make 250.0mL of a 0.78M solution?
katrin [286]

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Explanation:

8 0
3 years ago
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Answer:

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Explanation:

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? Moles = 8 moles

8 moles of aluminum = 4.816 × 10²⁴

4 0
3 years ago
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