Search results
Results from the WOW.Com Content Network
Potassium permanganate (KMnO 4) is a dark violet colored powder. Its reaction with glycerol (commonly known as glycerin or glycerine) (C 3 H 5 (OH) 3) is highly exothermic, resulting rapidly in a flame, along with the formation of carbon dioxide and water vapour:
The purplish-black color of solid potassium permanganate, and the intensely pink to purple color of its solutions, is caused by its permanganate anion, which gets its color from a strong charge-transfer absorption band caused by excitation of electrons from oxo ligand orbitals to empty orbitals of the manganese(VII) center.
From the point of view of Western history of chemistry, hydrochloric acid was the last of the three well-known mineral acids for which the method of its production appeared in the literature. [20] Recipes for its production started to appear in the late sixteenth century.
Upgrade to a faster, more secure version of a supported browser. It's free and it only takes a few moments:
WASHINGTON (Reuters) -U.S. President-elect Donald Trump on Saturday named his social media platform CEO Devin Nunes to lead an intelligence advisory panel and said his former intelligence chief ...
The semifinals of the 12-team College Football Playoff are set, and no conference champions remain.. All four of the teams still alive in the playoff hosted games in the first round of the playoff ...
This Olympic Games results index is a list of links to articles containing results of each Olympic sport at the Summer Olympics and Winter Olympics. Years not appearing are those when the event was not held.
We found the best end-of-year, Boxing Week, and New Year's sales on fashion, beauty, and home. Score up to 70 off at stores like Nordstrom, Alo, and more.