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pishuonlain [190]
3 years ago
10

The compound sodium iodide is a strong electrolyte. Write the reaction when solid sodium iodide is put into water.

Chemistry
1 answer:
Savatey [412]3 years ago
5 0

Answer:

NaI(s) → Na⁺(aq) + I⁻(aq)

Explanation:

The chemical formula of sodium iodide is NaI. When NaI is dissolved in water, it dissociates into sodium ions (Na⁺) and iodide ions (I⁻). One mol of NaI gives 1 mol of Na⁺ ions and 1 mol of I⁻ ions.

Therefore, the chemical equation for the dissociation is the following:

NaI(s) → Na⁺(aq) + I⁻(aq)

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Why are fibers birefringent
horrorfan [7]

Inevitable manufacturing imperfections in optical fiber leads to birefringence, which is one cause of pulse broadening in fiber-optic communications. Such imperfections can be geometrical (lack of circular symmetry), due to stress applied to the optical fiber and/or due to bending of the fiber.

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3 years ago
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Sodium chloride is composed of molecules that are stable when dry. In water, the atoms of the molecules separate from each other
astra-53 [7]

The molecules of Sodium chloride holds a chemical bond to become stable when dry is an ionic bond.

<h3>What are chemical bonds?</h3>

The chemical bonds are those which holds the atoms of molecules together and creates a temporary connection between them.

The three major types of chemical bonds are:

  • Ionic bonds
  • Covalent bonds
  • Metallic bonds

<h3>What are ionic bonds?</h3>

The ionic bonds generally occurs in between a metal and a nonmetal ions.

The atoms share electrons in between them to become stable, forms ions. Due to electric attraction between these ions forms a bond between them. That bond is called as Ionic bond.

<h3>The type of chemical bond in Sodium chloride:</h3>

Sodium chloride - NaCl

Where Na(sodium) forms Na⁺ ion(metal) by sharing electrons with the chlorine atom and Cl(chlorine) forms Cl⁻ ion(non-metal).

So, due to the attraction between the anion and the cation, a bond is established between them. So, it is called Ionic bond.

Therefore, the chemical bond in Sodium chloride is an Ionic bond.

Learn more about chemical bonds here:

brainly.com/question/704297

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3 0
2 years ago
What is the molar mass of magnesium sulfate, MgSO4?
Gnoma [55]

Answer:

120.37 g/mol is the molar mass of magnesium sulfate

4 0
3 years ago
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What mass of water is needed to react with 32.9 g Li3N?
laiz [17]

Answer:

The answer to your question is 50.76 g of H₂O

Explanation:

Data

mass of water = ?

mass of Li₃N = 32.9 g

Process

1.- Write the balanced chemical reaction

                    Li₃N  +  3H₂O   ⇒  3LiOH   +  NH₃

2.- Calculate the molar mass of Li₃N and H₂O

Li₃N = (3 x 7) + (1 x 14) = 35 g

H₂O = (2 x 1) + (16 x 1) = 18 g

3.- Use proportions to calculate the mass of water

                   35 g of Li₃N ---------------- (3 x 18) g of water

                    32.9 g of Li₃N ------------ x

                    x = (32.9 x 54)/35

                    x = 1776.6/35

                    x = 50.76 g of H₂O

8 0
3 years ago
Can pressure affect the solubility of a substance in solution ? Explain
Tema [17]

Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.

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