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uysha [10]
4 years ago
9

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Chemistry
2 answers:
podryga [215]4 years ago
7 0
Following this question....
Varvara68 [4.7K]4 years ago
4 0

Answer:

The polar groups are the ones that provide the hydrophilic character.

Explanation:

In an emulsifying agent, there will be always a part that is hydrophyllic (the polar part) and another part that is lipophyllic (the non - polar part). Depending the proportion of each group the emulsifying agent is consider with a value that goes from 0 to 20, that means, if is more useful to dissolve water into oil or the other way around.

Since in this chemical groups, there is a lot of charges, depending in the reaction the pH could change a little bit by the release of positive or negative charges of the emulsifying agent.

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Volgvan

Answer:

Baking soda mixed with Vinegar

Explanation:

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4 0
3 years ago
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Consider the following balanced reaction. How many grams of water are required to form 75.9 g of HNO3? Assume that there is exce
adoni [48]

Answer:

The answer is "10.84 g".

Explanation:

The formula for calculating the number for moles:

\text{Number of moles }= \frac{\ Mass}{ \ molar \ mass }

In the given acid nitric:

Owing to the nitric acid mass = 75.9 g

Nitric acid molar weight= 63\  \frac{g}{mol}

If they put values above the formula, they receive:

\text{moles in nitric acid} = \frac{75.9}{63}

                               =1.204 \ mol

In the given chemical equation:

3 NO_2 \ (g) + H_2O \ (l) \longroghtarrow 2 HNO_3 \ (aq) + NO\ (g)

In this reaction, 2 mols of nitric acid are produced by 1 mole of water.

So, 1.204 moles of nitric acid will be produced:

= \frac{1}{2} \times 1.204

=0.602\ \ \text{mol of water}.

We are now using Equation 1 in determining the quantity of water:

Water moles = 0.602\  mol

Water weight molar = 18.02 \ \frac{g}{mol}

\to 0.602 = \frac{\text{mass of mols}}{ 18.02}\\\\\to \text{mass of mols} = 0.602 \times 18.02\\\\

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4 years ago
How can the gravitational potential energy of an object be changed?
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Answer:

Gravitational potential energy may be converted to other forms of energy, such as kinetic energy. If we release the mass, gravitational force will do an amount of work equal to mgh on it, thereby increasing its kinetic energy by that same amount (by the work-energy theorem).

Explanation:

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When a body is at rest, what do we call initial velocity
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Answer:

Initial Velocity is when movement begins. When a body is at rest, the initial velocity is at 0 m/s.

Explanation:

Initial Velocity is the velocity at time interval t = 0

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2 years ago
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a 47.0 ml aliquot of a 0.400 m stock solution must be diluted to 0.100 m. assuming the volumes are additive, how much water shou
kipiarov [429]

Answer:

141 ml

Explanation:

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