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vampirchik [111]
3 years ago
12

What are the uses of glycerin?​

Chemistry
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0

Explanation:

This medication is used as a moisturizer to treat or prevent dry, rough, scaly, itchy skin and minor skin irritations (e.g., diaper rash, skin burns from radiation therapy). Emollients are substances that soften and moisturize the skin and decrease itching and flaking.

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Are pennies polar or non-polar?
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For the reaction 2SO2+O2 ---> 2SO3 write the forward and reverse reactions
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2SO2(g) + O2(g) ---> 2SO3(g) • 2SO2(g) + O2(g) <--- 2SO3(g) • 2SO2(g) + O2(g) <---> 2SO3(g) • 2SO2(g) + O2(g) <--->> 2SO3(g) • Note: The rate of change reaches an equilibrium. The concentration of reactants and products is not equa
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Complete the acid-base reaction between butyric acid HC4H7O2 and potassium hydroxide KOH.
Lilit [14]

An acid-base reaction or a neutralization reaction is a <u>chemical reaction that occurs between an acid and a base producing a salt and water</u>. The acids and bases can be strong or weak depending on their degree of ionization in water.

Butyric acid is a weak acid and in water it is ionized in the following way, loosing a proton (H+):

HC4H7O2 (aq) ⇆ H+ (aq) + C4H7O2- (aq)

On the other hand, potassium hydroxide is a strong base, so it will be completely ionized in water:

KOH(aq) → K+(aq) + OH-(aq)

Then the <u>net acid-base reaction</u> between butyric acid and KOH is:

HC4H7O2 (aq) + OH- (aq) ⇆ H2O + C4H7O2- (aq)

It is valid to consider only the OH- produced from the ionization of KOH in water since, as mentioned, this molecule is completely ionized. Also, we do not include the K + in the net equation since it is a spectator ion, it does not undergo chemical changes.

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How many grams of oxygen are required to burn 3.01 x 10^23 propane molecules?
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