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pickupchik [31]
3 years ago
12

A metal ion uses d2sp3 orbitals when forming a complex. What is its coordination number and the shape of the complex?

Chemistry
1 answer:
bija089 [108]3 years ago
6 0

Answer:

Octahedral

Explanation:

The idea of hybridization is a valence bond concept introduced by Linus Pauling and soon became an important explanation for the structure of molecules even in coordination chemistry.

Hybridization involves the mixing of orbitals of appropriate energy to form a new set of orbitals that are more suitable for bonding with ligands.

When one s, two d and three p orbitals are hybridized in complex formation, octahedral complexes are formed.

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Select the correct answer. When an atom in a reactant loses electrons, what happens to its oxidation number? A. Its oxidation nu
vfiekz [6]

Answer:

C. Its oxidation number increases.

Explanation:

  • <em><u>Oxidation is defined as the loss of electrons by an atom while reduction is the gain of electrons by an atom</u></em>.
  • Atoms of elements have an oxidation number of Zero in their elemental state.
  • When an atom looses electrons it undergoes oxidation and its oxidation number increases.
  • For example, <em><u>an atom of sodium (Na) at its elemental state has an oxidation number of 0. When the sodium atom looses an electrons it becomes a cation, Na+, with an oxidation number of +1 , the loss of electron shows an increase in oxidation number from 0 to +1.</u></em>
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3 years ago
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Which two substances have no fixed shape and no fixed volume?
zalisa [80]

Answer:

Gases

Explanation:

4 0
4 years ago
What biological sample do home pregnancy tests use to detect pregnancy?
marissa [1.9K]

Answer:

The biological sample that pregnancy tests use to detect pregnancy is urine

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4 years ago
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A sample from one of Earth's oceans has a salinity of 34. What is the concentration of dissolved salts in this sample of seawate
11Alexandr11 [23.1K]

Answer:

Concentration of dissolved salts = 34,038.76 ppm

Explanation:

Given:

Salinity of ocean water = 34

Find:

Concentration of dissolved salts

Computation:

Salinity of ocean water = 34 g/l

1g/l = 1001.14 ppm

Concentration of dissolved salts = 1001.14 ppm x 34

Concentration of dissolved salts = 34,038.76 ppm

3 0
4 years ago
Sucrose is a non volatile, non-ionizing solute in water.
Natasha2012 [34]
When a non volatile solute is added to a solvent, the vapor pressure of the solvent will decrease.

 Vapor pressure is a colligative property. Which means that it will be affected by the number of particles of solute.

The relationship between the concentration of the solute and the vapor pressure is given by Roult's Law

ΔP = Xsolute * P, where ΔP is vapor pressure lowering, Xsolute is the molar fractionof the solute, and P is the vapor pressure of the solvent.

Then lets find Xsolute

X solute = # moles solute / # moles solution

# moles solute = 75.0 grams / molar mass

molar mass of C12H22O11 = 12*12g/mol + 22*1g/mol + 11*16g/mol = 342 g/mol

# moles solute = 75.0/342 mol = 0.219 mol

# moles of solvent = grams of solvent / molar mass of solvent

# moles of solvent = 180 grams /18 g/mol = 10 mols

Xsolute = 0.219 mol solute / (10 + 0.219) mol solution =0.0215

ΔP = 0.0215*26.7 torr = 0.57 torr

Answer= 0.57 torr

7 0
3 years ago
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