Search results
Results from the WOW.Com Content Network
Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO. [22] It is the simplest and smallest ketone (>C=O).It is a colorless, highly volatile, and flammable liquid with a characteristic pungent odour, very reminiscent of the smell of pear drops.
It is responsible for why water is a liquid at room temperature and not a gas (given water's low molecular weight). Most commonly, the strength of hydrogen bonds lies between 0–4 kcal/mol, but can sometimes be as strong as 40 kcal/mol [ 3 ] In solvents such as chloroform or carbon tetrachloride one observes e.g. for the interaction between ...
This arises from the fact that polar solvents stabilize the formation of the carbocation intermediate to a greater extent than the non-polar-solvent conditions. This is apparent in the ΔE a, ΔΔG ‡ activation. On the right is an S N 2 reaction coordinate diagram. Note the decreased ΔG ‡ activation for the non-polar-solvent reaction ...
The carbonyl group is polar because the electronegativity of the oxygen is greater than that for carbon. Thus, ketones are nucleophilic at oxygen and electrophilic at carbon. Because the carbonyl group interacts with water by hydrogen bonding, ketones are typically more soluble in water than the related methylene compounds. Ketones are hydrogen ...
Acetone is a chemical used to remove nail polish from your nails or as a household cleaner. It also occurs naturally in your body, facilitating ketosis. Uses and Benefits of Acetone
Nonpolar molecules stay together in water because it is energetically more favorable for the water molecules to hydrogen bond to each other than to engage in van der Waals interactions with non-polar molecules. An example of an ionic solute is table salt; the sodium chloride, NaCl, separates into Na + cations and Cl −
In the gas phase the dipole moment is ≈ 1.86 debye (D), [11] whereas liquid water (≈ 2.95 D) [12] and ice (≈ 3.09 D) [13] are higher due to differing hydrogen-bonded environments. Other examples include sugars (like sucrose ), which have many polar oxygen–hydrogen (−OH) groups and are overall highly polar.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!