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sukhopar [10]
3 years ago
12

Polarity occurs in which type of bond? covalent ionic metallic negative

Chemistry
2 answers:
marysya [2.9K]3 years ago
4 0
Covalent bonds is when polarity is formed
Masteriza [31]3 years ago
4 0

Answer: Option (b) is the correct answer.

Explanation:

When there is transfer of electrons between two atoms then it results in the formation of ionic bonds.

Ionic bonds have opposite charges on its atoms and are strongly held by attractive forces. Therefore, polarity is induced in ionic compounds also due to difference in electronegativity of the two atoms.

Thus, we can conclude that polarity occurs in ionic type of bond.

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A

Explanation:

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How many molecules of water are released during the polymerization of a 20 monomer-long cellulose molecule?
Alborosie

Answer:

  • <em>During the polymerization of a 20 monomer-long cellulose molecule,</em> <u>19 molecules of water are released.</u>

<u></u>

Explanation:

In simple terms, <em>cellulose </em>is the biopolymer formed by many glucose units. This is cellulose is the polymer and glucose is the monomer.

To have a <em>20 monomer-long cellulose molecule</em>, 20 monomers have been chemically bonded by reacting 19 times, as it is explained in the next paragrpahs, and so 19 molecules of water have been released.

You can imaging the polymerization process as a step-by-step reaction in which the first step is the condensation reaction of one glucose molelecule to produce a 2 monomer-long chain, with the release of one molecule of water: the second step would be the condensation reaction between the 2 monomer-long chain with another glucose molecule, with the release of an additional molecule of water, and so on, until 19 condensation reactions happen, to obtain the 20 monomer-long cellulose molecule.

Condensation is the loss of water in a chemical reaction.

When two glucose molecules react together, condensation occurs. One OH group from each glucose molecule come together, the OH from one glucose molecule combines with the H part of the OH from the other glucose molecule, to form H₂O (water that is released).

The two glucose molecules (monomers) will form one bigger molecule where the two glucose monomers are bonded through the oxygen atom that did not form part of the water molecule released.

Then, a 20-monomer chain means 19 condenstation reactions, with the release of 19 molecules of water.

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3 years ago
What quantity is measured in mol/dm³?
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L
M =  \frac{n}{V}  \\ M = \frac{mol}{L}  \\ or \\ M =  \frac{mol}{ {dm}^{3} }
mol/dm³ is measure for molarity
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Answer:

1. an educated guess

2. data

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Write the chemical reactions for a weak acid and a strong acid.
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Weak acid and base solutions contain multiple charged and uncharged species in dynamic equilibrium. Strong acids and strong bases refer to species that completely dissociate to form ions in solution.

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8 0
3 years ago
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