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Phase behavior Triple point: 286.3 K (13.15 °C), ? Pa Critical point: 617 K (344 °C), 3500 kPa Std enthalpy change of fusion, Δ fus H o: 17.1 kJ/mol Std entropy change
p-Xylene (para-xylene) is an aromatic hydrocarbon. It is one of the three isomers of dimethylbenzene known collectively as xylenes . The p- stands for para- , indicating that the two methyl groups in p -xylene occupy the diametrically opposite substituent positions 1 and 4.
Waterman Mountain, at 8,041 feet (2,451 m), is a prominent peak in the San Gabriel Mountains of Los Angeles County, California, within the Angeles National Forest and San Gabriel Mountains National Monument. The summit of Waterman Mountain marks the northern boundary of the San Gabriel Wilderness and it is the highest point in the wilderness ...
p-Xylene is the principal precursor to terephthalic acid and dimethyl terephthalate, both monomers used in the production of polyethylene terephthalate (PET) plastic bottles and polyester clothing. 98% of p-xylene production, and half of all xylenes produced is consumed in this manner. [10] [14] o-Xylene is an important precursor to phthalic ...
Despite the observed chemistry of para-xylylene (i.e. its rapid polymerization to poly-p-xylylene), which suggests the compound exists as a diradical, physical evidence unanimously concludes that the lowest electronic state of p-xylylene is a closed shell singlet. Additionally, several computational methods confirm this assignment. [13]
Other peaks include Tongva Peak (2,656 feet), recently named in honor of the Tongva (Gabrielino) people, the original inhabitants of much of the Los Angeles Basin, Santa Monica Mountains, and San Gabriel Valley areas. Other informally named peaks are Mount La Tuna on the north end and Mount Thom on the south end of the range.
The Mount Wilson Observatory (MWO) is an astronomical observatory in Los Angeles County, California, United States.The MWO is located on Mount Wilson, a 5,710-foot (1,740-meter) peak in the San Gabriel Mountains near Pasadena, northeast of Los Angeles.
The plot for vapor is a transformation of data Synthetic spectrum for gas mixture ' Pure H 2 O ' (296K, 1 atm) retrieved from Hitran on the Web Information System. [6] Liquid water absorption spectrum across a wide wavelength range [missing source] The absorption of electromagnetic radiation by water depends on the state of the water.