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3 years ago

Describe the three steps of solution formation. be sure to include the details regarding the dissolving of the substance

Chemistry

2 answers:

Elza [17]3 years ago

8 0

The three steps involve;

Step 1: Separation/expansion of the solute particles

Step 2: Separation/expansion of the solvent particles

Step 3; Combining the solute and solvent particles

The first two steps are usually endothermic. Step 3, nonetheless, can be either exothermic or endothermic and is significant in determining whether the dissolving process will be endothermic or exothermic.

IceJOKER [234]3 years ago

8 0

Answer:

The dissolution process is carried out in three completely independent stages:

1. Separation of solvent molecules

2. Separation of solute molecules.

3. Mixture of solvent and solute molecules.

Explanation:

A solution occurs when the solute and solvent molecules meet by intermolecular attractions, which should not be interpreted as chemical bonds. When a substance dissolves in another substance, the solute particles spread over the solvent. These particles break into positions occupied by solvent molecules. Its ease of replacement is dependent on the strength of three interactions: between solvent and solvent, between solute and solute, and between solvent and solute.

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fenix001 [56]

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3 years ago

Determine the percent water in MgSO4*7H20?

Semmy [17]

Answer:

$\% H_2O=51.2\%$

Explanation:

Hello!

In this case, since the percent water is computed by dividing the amount of water by the total mass of the hydrate; we infer we first need the molar mass of water and that of the hydrate as shown below:

$MM_{MgSO_4* 7H_2O}=120.36 g/mol+7*18.02g/mol\\\\MM_{MgSO_4* 7H_2O}=246.5g/mol$

Thus, the percent water is:

$\% H_2O=\frac{7*MM_{H_2O}}{MM_{MgSO_4* 7H_2O}} *100\%\\\\$

So we plug in to obtain:

$\% H_2O=\frac{7*18.02}{246.5} *100\%\\\\\% H_2O=51.2\%$

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3 years ago

2. What mass of water absorbs 6700 J of heat to raise the temperature from 283K to 318K?

Alexxandr [17]

Answer:

Q = mcT ...you can either substitute the molar heat capacity of water in the place of c or the specific heat capacity of water.

Explanation:

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3 years ago

Consider the reaction between acetylene, c2h2, and oxygen in a welding torch: 2c2h2(g) + 5o2(g) → 4co2(g) + 2h2o(g) if 5.4 moles

fredd [130]

2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g)
from the reaction 2 mol 4 mol
from the problem 5.4 mol 10.8 mol

M(CO2) = 12.0 +2*16.0 = 44.0 g/mol
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3 years ago

Read 2 more answers

You have a solution of sugar water or CeH720p(aq). What is the solute? water sugar

seropon [69]

Answer:Sugar

Explanation:Things being dissolved are solutes and things doing the dissolving are the solutions. So Sugar is being dissolved by water which makes sugar the solute.

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4 years ago