Questions tagged [aqueous-solution]

For questions relating to compounds dissolved in water and resulting reactions and acid-base equilibria.

Filter by
Sorted by
Tagged with
1
vote
0answers
81 views

What chemicals could be added to human urine to cause harmful chemicals to precipite out?

What chemicals could be added to human urine to render it drinkable with no harmful side effects? Urine is salty and contains other dissolved solids. Thus, drinking untreated urine would result in ...
0
votes
1answer
25k views

How to calculate molality, molarity and mole fraction given density (g/mole)?

Calculate the molality, molarity and mole fraction of a $\ce{CuSO4}$ in a 17% m/m aqueous solution (density of the solution is 1.367 g/mole) I did .17 * 1.367 to find grams of $\ce{CuSO4}$ and .83 * ...
0
votes
2answers
22k views

How to write equations for dissociation of ionic compounds in water?

Please write a dissociation-in-water equation for the compounds $\ce{BeI2}$ and $\ce{LiI}$. Make sure to add the states of matter after each compound. Currently, for $\ce{BeI2}$ I have the equation $$...
0
votes
2answers
355 views

How to reduce surface tension of oil?

I would like to create tiny colored drops slowly falling down in a transparent liquid. The diameter of the droplets must be around 2mm, and their speed must be approximately 0.5 mm / sec. For that, ...
0
votes
0answers
45 views

Are these two reactions the same? [duplicate]

I read the book an it said when $\ce{NH4Cl}$ dissolves in the water, the reaction of $\ce{NH4+}$ will be $$\ce{NH4+ <=> NH3 + H+},$$ but instead, the first reaction came to my mind was $$\ce{...
0
votes
1answer
1k views

What is meant by “fairly” when used as a quantifier for the solubility of a chemical?

While doing homework and I found a statement that says a chemical is fairly soluble in water, but I do not understand what this means. However, I know that when things are soluble in water they tend ...
0
votes
0answers
447 views

acids, bases, salts, etc

All the chemical compounds can be categorized as acids, bases, and neutral compounds. There are different theories, namely Arrhenius Theory, Brønsted-Lowry Theory, Lewis Theory, which define the acids ...
0
votes
2answers
2k views

Confused about strong/weak dibasic and tribasic acids

I know that sulfuric acid is considered a strong acid, and the dissociation of its first $\ce{H+}$ ion is complete and of its second $\ce{H+}$ ion is partial. Phosphoric acid is weak and all three of ...
0
votes
1answer
250 views

How to make oil more heavy?

I would like to increase the density of a given oil (or anything that repels water) so that it is slightly heavier than water; to be able to precisely control how slow the oil would fall in the water. ...
0
votes
1answer
1k views

In a reaction between Calcium Ammonium Nitrate or Urea with water, does Nitrogen Content and Purity affect how cold the solution gets?

Recently, I bought an ice pack that contained Calcium Ammonium Nitrate, and realized that it really didn't get cold. I came to the conclusion that perhaps Urea is more effective, yet it is still ...
-2
votes
3answers
612 views

How does sodium carbonate raise pH?

Sodium carbonate is used in pools to raise pH. From my understanding, it would dissociate in water like so: $$\ce{Na2CO3 <=> 2 Na+ + CO3^2-}$$ To raise pH, doesn't it have to absorb hydrogen ...

1 2
3