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2 years ago

What conclusions can you draw about the factors that affect the rate of solution formation?

1 answer:

7 0

The factors that affect the rate of solution formation are capable of either increasing the rate of solution formation or decreasing it.

<h3>Factors that affect the rate of solution formation</h3>

The rate of solution formation from a chemical reaction depends on the following factors:

Quantity of solute and solvent: The solute should be in less quantity and solvent should be more in quantity to dissolve the solute. This will enhance the formation of solution

The size of the solute particles: When the solute particles are in smaller sizes, they react faster with the solvent to form solutions.

The temperature of solvent: In increased temperature, the solute reacts faster with the solvent.

Therefore, the factors that affect the rate of solution formation are capable of either increasing the rate of solution formation or decreasing it.

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Gases present in atmosphere are in ionic form true or false

ANTONII [103]

Answer:

false

Explanation:

Only ionic compounds can dissolate in water.

6 0

4 years ago

"Inert" xenon actually forms many compounds, especially with highly electronegative fluorine. The ΔH° values for xenon difluorid

svp [43]

The average bond energy of the Xe¬F bonds in each fluoride is 132kJ/mol.

Given:

ΔH° of xenon difluoride (XeF2) = -105 kJ/mol

ΔH° of xenon tetrafluoride (XeF4)= -284 kJ/mol

ΔH° of xenon hexafluoride (XeF6) = -402 kJ/mol

The bond energy of Xe-F in XeF2 can be calculated as follows,

As we know that

ΔH° = ΔH°(bond formed) + ΔH°(bond broken)

The chemical reaction for the formation of XeF2 can be written in such a way,

Xe (g) + F2 (g) → XeF2 (g)

= [1 mol F2 (159 kJ/mol)] + [2(-Xe-F)] - 105 kJ/mol

= 159 kJ/mol + 2(-Xe-F) - 264 kJ/mol

= 2(-Xe-F)

Xe-F = 132 kJ/mol

Thus, we concluded that the average bond energy of the Xe¬F bonds in each fluoride is 132kJ/mol.

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3 0

1 year ago

How many neutrons and protons are there in the nuclei of the following atoms. a. Li-7 b. O-16 c. Th-232 d. Pu-239

ANEK [815]

Answer:

P = 3 , N = 4

P = 8 , N = 8

P = 90 , N = 142

P = 94 , N = 145

Explanation:

Mass number = Number of protons + Number of neutrons

Also,

Atomic number = Number of protons

Given, Mass number of Lithium = 7

For lithium, atomic number = 3

So,

Number of protons = 3

Number of neutrons = Mass number - Number of protons = 7 - 3 = 4

Given, Mass number of oxygen = 16

For oxygen, atomic number = 8

So,

Number of protons = 8

Number of neutrons = Mass number - Number of protons = 16 - 8 = 8

Given, Mass number of Thorium = 232

For Thorium, atomic number = 90

So,

Number of protons = 90

Number of neutrons = Mass number - Number of protons = 232 - 90 = 142

Given, Mass number of Plutonium = 239

For Plutonium, atomic number = 94

So,

Number of protons = 94

Number of neutrons = Mass number - Number of protons = 239 - 94 = 145

3 0

3 years ago

Ionic equation for reaction of koh(aq) with cucl2(aq)

marishachu [46]

Answer:

2 KOH(aq) + CuCl2(aq) = 2 KCl(s) + Cu(OH)2

Explanation:

8 0

4 years ago

2c8h18(g 25o2(g→16co2(g 18h2o(g how many moles of water are produced in this reaction

AleksandrR [38]

18 moles of water are produced in the above reaction.
Hope this helps you!

3 0

3 years ago

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