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This change in structure is related to the lower density of the liquid phase (1.78 g/cm 3) versus solid aluminium trichloride (2.48 g/cm 3). Al 2 Cl 6 dimers are also found in the vapour phase . At higher temperatures, the Al 2 Cl 6 dimers dissociate into trigonal planar AlCl 3 monomer , which is structurally analogous to BF 3 .
Normally, the indicator causes the color of the solution to change depending on the pH. Indicators can also show change in other physical properties; for example, olfactory indicators show change in their odor. The pH value of a neutral solution is 7.0 at 25°C (standard laboratory conditions). Solutions with a pH value below 7.0 are considered ...
These ions are good conductors of electric current in the solution. Originally, a "strong electrolyte" was defined as a chemical compound that, when in aqueous solution, is a good conductor of electricity. With a greater understanding of the properties of ions in solution, its definition was replaced by the present one.
The higher the percentage, the stronger the electrolyte. Thus, even if a substance is not very soluble, but does dissociate completely into ions, the substance is defined as a strong electrolyte. Similar logic applies to a weak electrolyte. Strong acids and bases are good examples, such as HCl and H 2 SO 4. These will all exist as ions in an ...
Tesla and X CEO Elon Musk spent over a quarter of a billion dollars to help get President-elect Donald Trump back in the White House, according to newly released campaign finance records. The ...
[1] [2] As water is an excellent solvent and is also naturally abundant, it is a ubiquitous solvent in chemistry. Since water is frequently used as the solvent in experiments, the word solution refers to an aqueous solution, unless the solvent is specified. [3] [4] A non-aqueous solution is a solution in which the solvent is a liquid, but is ...
Snowfall is nothing new in Maine, but usually it's white. The east Maine town of Rumford experienced a rare weather event Tuesday in the form of brown snow, town officials confirmed on Facebook.
Image credits: moxie_walter Humanity domesticated cats much later than dogs - in fact, about two and a half times later. So it's not surprising that cats continue to demonstrate specific features ...