Questions tagged [liquids]

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19
votes
2answers
781 views

Can a stoichiometric mixture of oxygen and methane exist as a liquid at standard pressure and some (low) temperature?

This answer to the question Pre-mixing cryogenic fuels and using only one fuel tank written by a non-chemist (me) begins with: At STP: LOX's boiling point is 90.19 K Methane's freezing ...
13
votes
1answer
990 views

What is the least dense liquid under normal conditions?

What is the least dense liquid under normal conditions, room temperature, one atmosphere of pressure, doesn't combust upon contact with air, also wouldn't kill a human just for being in the same room ...
8
votes
4answers
988 views

Ionic compound having highest solubility in water

Which ionic compound has highest solubility in water? I can find CsBr having highest solubility with 1230 g/L at 25 °C. Note: compounds like ethanol are soluble to any extent in water, but they are ...
5
votes
3answers
568 views

What do the horizontal lines in a P-V phase diagram mean?

I have been studying phase diagrams of pure substances, and for a substance such as carbon dioxide for example, it's diagram looks something like this: The horizontal lines in the liquid phase puzzle ...
3
votes
1answer
72 views

Model of an ideal liquid in chemistry

In chemistry there are ideal models/concepts of ideal crystal, ideal gas and even ideal solution, but there is no model/concept of ideal liquid. In physics (fluid dynamics, to be precise) there is a ...
3
votes
1answer
283 views

Properties of azeotropes

Consider two liquids with vapour pressures in pure form being ${P^o}_A$ and ${P^o}_B$. ${P^o}_B >{P^o}_A$ which implies liquid B is more volatile. If the liquids formed an ideal solution, then a ...
1
vote
1answer
44 views

Why does bromine increase the viscosity of olive oil? [closed]

Does bromine bond to the carbon in unsaturated fatty acids and break the double bonds between oxygen and carbon? Does this increase the viscosity of olive oil? Could someone give an elaborated ...
1
vote
0answers
18 views

Explanation of phase changing/solid and liquid water existing in the same container at same temp [closed]

I was trying to explain to a friend the other day why when ice and water are in the same container, the water is 32 degrees Fahrenheit or 0 celcius, but not frozen, because the ambient temp is above ...
0
votes
2answers
59 views

What happens when mixing elemental mercury with sodium hypochlorite solution [closed]

Say you spilled elemental mercury from a thermometer and used household bleach on it, what would be the reaction if any?
0
votes
0answers
14 views

Computational method to model the interactions between a liquid, a solid surface and particles on it?

I’m looking for a way to model the interactions between a liquid, a surface and various particles over the surface, in order to simulate the cleaning of said surface with different substances. My ...
-1
votes
2answers
57 views

Liquid Versus Aqueous States? [closed]

I am studying ionic equations and have encountered the statement of the phase of matter in the equation since ionic substances tend to react differently based on their phase. I know that (l) state ...
-1
votes
1answer
61 views

Is sodium hypochlorite 100% concentrate possible?

Popular bleaching brands like Clorox contain liquid sodium hypochlorite in small concentrations, ranging from 5-12.5% (is this a mass/volume, mass/mass, or volume/volume concentrate?). Is it possible ...
-1
votes
0answers
13 views

Relative rate of vapor formation in binary solutions

If we mix two liquids,one with a vapor pressure of pure liquid 100 torr and other 900 torr ..can we say that for every one mole of the first liquid which vaporizes correspondingly nine moles of the ...
-1
votes
0answers
24 views

Physical significance of vapor pressure of pure liquid [closed]

What exactly is the significance of vapor pressure of a pure liquid(the one used in Raoult's Law)? Does it take into account the pressure exerted by the liquid on the walls of the container also or is ...
-2
votes
3answers
145 views

Why does increase in pressure cause a increase in boiling point [closed]

When we increase the atomospheric pressure pressure above the solution , the boiling point of a solution increases. Why does this happen?