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PSYCHO15rus [73]
3 years ago
14

Carbon dioxide and water vapor are variable gases because

Chemistry
1 answer:
ehidna [41]3 years ago
7 0

Answer:

Their amount is not consistent at all parts of the atmosphere

Explanation:

Carbon dioxide and water vapor exists as variable gases in the atmosphere because their amount varies from one part to the other.

  • The abundance of variable gases is influenced strongly by activities from the surface.
  • This variability occurs a result of the contribution from from life activities on the  surface.
  • Also, due to properties of the gases, they are not evenly distributed.
  • At certain altitudes, the amount of water vapor can be low.
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Lithium reacts with chlorine to form a new substance.What other element will also with chlorine to form a new substance with sim
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Answer:

Flourine

Explanation:

Chlorine is a member of the halogen family. Halogens are the elements that make up Group 17 (VIIA) of the periodic table, a chart that shows how elements are related to one another. They include fluorine, bromine, iodine, and astatine.

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3 years ago
How many calcium atoms in Ca(ClO3)2?
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Answer:

1

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3 years ago
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A metal crystallizes in a body-centered cubic unit cell. The radius of one atom = 2.30 x 10 -8 cm. The density of the metal is 0
maw [93]

Answer:

25.41 g/mol is molar mass of metal.

Explanation:

Number of atom in BCC unit cell = Z = 2

Density of metal = 0.867 g/cm^3

Edge length of cubic unit cell= a = ?

Radius  of the atom of metal = r = 2.30\times 10^{-8} cm

a=2\times r=2\times 2.30\times 10^{-8} cm=4.60\times 10^{-8} cm

Atomic mass of metal =M

Formula used :  

\rho=\frac{Z\times M}{N_{A}\times a^{3}}

where,

\rho = density

Z = number of atom in unit cell

M = atomic mass

(N_{A}) = Avogadro's number  

a = edge length of unit cell

On substituting all the given values , we will get the value of 'a'.

0.867 g/cm^3=\frac{2\times M}{6.022\times 10^{23} mol^{-1}\times (4.60\times 10^{-8} cm)^{3}}

M = 25.41 g/mol

25.41 g/mol is molar mass of metal.

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Advantage: Identifications

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