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makkiz [27]
2 years ago
10

Describe what happens on the molecular level when acetic acid dissolves in water.

Chemistry
1 answer:
kompoz [17]2 years ago
3 0

Since most acetic acid molecules do not dissociate when a sample is dissolved in water, acetic acid and water molecule interactions are what determine how soluble a substance is. In its liquid state, water forms a network of hydrogen bonds among its molecules; when a material dissolves in water, this network of hydrogen bonds is broken.

<h3>What is acetic acid such a poor electrolyte?</h3>

Since acetic acid is a weak acid, only a small portion of the acetic acid molecules react to produce ethanoate and hydronium ions, shifting the equilibrium position substantially to the left. Aqueous acetic acid is a weak electrolyte as a result of the existence of these few ions.

<h3>Why does acetic acid have a low conductivity?</h3>

The majority ($> 99%) of the acetic acid molecules remain after dissolution, with only a very tiny portion deprotonating to form acetate anions. Only the latter are charged compounds, and as a result, only these increase the conductivity of the solution. They are few, and conductivity is low.

<h3>What makes acetic acid more potent than water?</h3>

The equilibrium shifts to the left and the concentration of hydrogen ions decreases when a strong acid is added to the buffer solution. A strong base is also added, which causes the equilibrium to move to the left and results in a smaller pH increase. Because of this, acetic acid is a better buffer than water.

Learn more about Acetic acid

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The substance used by homeowners and municipal workers to melt ice on sidewalks and roadways is usually calcium chloride rather
Verizon [17]

Answer:

1. It dissolves much more ice faster than sodium chloride

2. Calcium chloride is more effective in melting ice at lower temperatures.

Explanation:

Salts are used to melt ice on roadways and sidewalks because they help to lower the freezing point of water.

Sodium chloride and calcium chloride are both salts used for this purpose but calcium chloride is usually preferred for the following two reasons:

1. It dissolves much more ice faster than sodium chloride: Calcium chloride dissolves much more ice faster than sodium chloride because when it dissociates, it produces three ions instead of the two produced when sodium chloride. Therefore, the heat of hydration of its ions is greater than that of sodium chloride.

2. Calcium chloride is more effective in melting ice at lower temperatures. It lowers the freezing point of water more than sodium chloride. Calcium chloride is able to lower the freezing point of water to about -52°C while sodium chloride only lowers it to about -6°C.

6 0
4 years ago
When using the process of evaporation to separate a mixture, what is left behind
brilliants [131]

Answer:

When a solution is heated, the solvent evaporates, leaving behind the dissolved solids as residue. When a solution containing dissolved solutes is heated, the solvent will evaporate. Only the solute will remain in the evaporating dish.

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8 0
3 years ago
If 840. mL of linseed oil has a mass of 700. g, calculate the density of linseed oil.
aleksklad [387]

Density can be determined as:

d = m /V

whereas, m is mass of compound

v is volume

d = 700 /840 = 0.83 g /mL

Thus density is 0.83 g /mL


6 0
4 years ago
Write the following in scientific notation. Include the unit or it will be marked wrong. a. 3450 meters b. 0.0000432 liters c. 5
Anvisha [2.4K]

Answer:

a. \: 3.450 \:  \times  \:  {10}^{3} \:  m \\  \\ b. \: 4.32 \:  \:  \times  \:  {10}^{ - 5}  \: l \\  \\ c. \: 5.06 \:  \times  \:  {10}^{5}  {cm}^{3}

8 0
3 years ago
In the combustion of ethane, shown above, how many moles of carbon dioxide can be produced from 1.00 mole of ethane? A. 0.500 mo
Daniel [21]
The balanced chemical equation for the <span>combustion of ethane is 
2C</span>₂H₆(g) + 7O₂(g) → 4CO₂(g) + 6H₂O(l)

The stoichiometric ratio between C₂H₆(g) and CO₂(g)  is 1 : 2

Hence,
    moles of 
CO₂(g) produced = moles of reacted C₂H₆(g) x 2
                                                 
= 1.00 mol x 2
                                                  = 2.00 mol

Hence, the correct answer is "C".
6 0
3 years ago
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