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3 years ago

When H forms a bond with H2O to form the hydronium ion H3O , this bond is called a coordinate covalent bond because

Chemistry

1 answer:

Evgen [1.6K]3 years ago

5 0

Answer:

both bonding electrons come from the oxygen atom

Explanation:

A coordinate covalent bond is said to be formed when an electron pair is donated into a empty orbital of an atom from a filled orbital of another atom.

In this type of covalent bond, the shared electron pair is furnished by only one of the bonding species.

The bonding between H^+ and H2O to form H3O^+ involves donation of a lone pair of electrons on oxygen into the empty 1s orbital of H^+ hence the two bonding electrons come from oxygen. This is why the bond is called a coordinate covalent bond.

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Chemistry

postnew [5]

There are 48.72 g Fluorine ions

<h3>Further explanation </h3>

Proust stated the Comparative Law that compounds are formed from elements with the same Mass Comparison so that the compound has a fixed composition of elements

In the same compound, although from different sources and formed by different processes, it will still have the same composition/comparison

%F in CaF₂ :

$\tt \%F=\dfrac{2.Ar~F}{MW~CaF_2}\times 100\%\\\\\%F=\dfrac{2.19}{78}\times 100\5=48.72\%$

mass of Fluorine :

$\tt 48.72\%\times 200=97.44~g$

So mass Fluorine ions(2 ions F in CaF₂⇒Ca²⁺+2F⁻) :

$\tt =\dfrac{97.44}{2}=48.72~g$

7 0

3 years ago

Why are models used to represent Atoms

Keith_Richards [23]

Answer:

Explanation:

5 0

2 years ago

Read 2 more answers

Calculate the percent error if the experimental value for the density of zinc is 9.95g/cm3, but the accepted value is 7.13g/cm3

Pani-rosa [81]

In order to calculate the experimental percent error, we follow these steps:
1- Subtract one value from the other (order does not matter as we take absolute)
2- Divide the obtained number by the accepted or true value.
3- Multiply the fraction you got from step 2 by 100 to get the percentage of error.

Now, we will apply these steps on our problem:
1- Subtract one value from the other:
9.95 - 7.13 = 2.82
2- Divide by accepted value:
2.82 / 7.13 = 0.3955
3- Multiply by 100 to get the error percentage:
error percentage = 0.3955 x 100 = 39.55%

7 0

3 years ago

The free energy of an electrochemical cell is given by the equation:

Nuetrik [128]

To obtain the number of moles of electrons, we need to multiply both sides by 1/FE.

<h3>What is electrochemical cell?</h3>

The electrochemical cell is a cell in which energy is produced by chemical reactions which are spontaneous. We can obtain the free energy of an electrochemical cell using the equation; ΔG=-nFE

To make n the subject of the formula, we need to multiply both sides by 1/FE as follows;

$\frac{dG}{FE} = n$ .

Learn more about electrochemical cell: brainly.com/question/4592165

7 0

3 years ago

During the nineteenth century, biologists knew that South America and Africa contained similar fossils. These fossils led them t

Minchanka [31]

Answer:

Explanation:

someone in the comments said it lol

8 0

3 years ago