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o-na [289]
3 years ago
14

A white substance melts with some decomposition at 730oC. As a solid it does not conduct electricity, but it dissolves in water

to form a conducting solution. With explanation, which type of solid might the substance be?
Chemistry
1 answer:
FinnZ [79.3K]3 years ago
5 0

Answer:

Ionic solid

Explanation:

Ionic solids -

These are the type of solids , which is composed of ions , which are bond by very strong electrostatic force of attraction , are referred to as ionic solids.

And due to very strong force of attraction between the ions , they generally have very high melting point.

When the solid is dissolved in water , the ions gets separate out , and these free ions are capable to conduct electricity , and hence they are very good conductor in molten form , and are insulator in solid form.

Hence , from the given information of the question ,

The correct term is ionic solids.

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the bond formed between the carboxylic acid group of one amino acid and the amino group of the next amino acid is a(n) bond.
Naya [18.7K]

Peptide bonds are amide connections between two amino acids' -carboxyl and -amino groups.

The covalent link created by the dehydration reaction (loss of a water molecule) between the carboxyl group of one amino acid and the amino group on the next is known as a peptide bond. Peptide bonds are created in polypeptides through a condensation reaction between the carboxyl groups of one amino acid and the amino groups of the following amino acid, all while removing water. When the carboxyl group of one molecule combines with the amino group of the other molecule, releasing a molecule of H2O as a result, a peptide bond is created between the two molecules.

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4 0
1 year ago
Which of the following are classified as an electron group? A.Charged atoms. B.Lone pairs of electrons. C.Ions. D.Bonded pairs o
lbvjy [14]

Answer:

<h2><em><u>B.) lone pairs of electrons</u></em></h2>

Explanation:

The table below indicates the “Molecular Geometry” of the central atom depending on whether the groups of electrons around it are covalent bonds to other atoms or simply lone pairs of electrons.

6 0
2 years ago
how would you determine which layer is organic in a separatory funnel if the density of the soltuions were unkown
ELEN [110]

Answer:

yea ricorico

Explanation:

5 0
3 years ago
Find the oxidising agent and explain why​
Goshia [24]

Answer:

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Read 2 more answers
Sodium and chlorine react to form sodium chloride. If there are 1.4 moles of sodium used, how many moles of chlorine were requir
sammy [17]

Answer:

0.7 moles of Chlorine gas is required.

Explanation:

The reaction is balanced as follows:

2Na + Cl_{2} ------>  2NaCl

According to stoichiometry,

2 mole Sodium reacts with 1 mole Chlorine gas

∴1 mole Sodium reacts with 1/2 moles of Chlorine gas

∴1.4 mole sodium reacts with 1.4/2 moles of Chlorine gas

                                                = 0.7 moles of Chlorine gas

So, 0.7 moles of Chlorine gas is required.

3 0
3 years ago
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