• Add this info to your notes that you took from the last section. • Compound- A substance composed of two or more elements that are chemically bonded to form a new substance with different properties. • Example 1- Water. Water’s chemical formula is H2O. • Mixture- a combinati...
a Friedrichcondenser, and a nitrogen-inlet tube is flushed with nitrogen, and then charged with asuspension of lithium aluminum hydride (47.9 g, 1.26 mol) in 1200 mL of tetrahydrofuran(THF). The mixture is cooled (10°C, ice bath) and L-valine (100 g, 0.85 mol) is added inportions o...
Answer to: Air is mainly a mixture of nitrogen and oxygen, with small amounts of other gases such as argon and carbon dioxide. What property could...
摘要: The invention relates to highly active spherical metal support catalysts with a metal content of 10 to 70% by mass, and a process for their production with the use of a mixture of polysaccharides and at least one metal compound which is dropped into a metal salt solution....
Look at http://81.207.88.128/science/chem/compounds/cupric_chloride.html for a nice picture of a sample of pure reagent grade CuCl2.2H2O (do not bookmark this URL, because the IP-address in it is not fixed and may be invalid after some time). The compound is cyan blue. it is not ...
Phospholipids are the main component of the cell, or plasma, membrane. The cell membrane is important because it creates a thin, flexible barrier between the cell and the environment that is semi-permeable, only allowing certain molecules in and out....
英语化学求分子式和试验试!A compound contains only carbon,hydrogen,and oxygen.Combustion of 10.68 mg of the compound yields 16.01 mg CO2 and 4.37 mg H2O.The molar mass of the compound is 176.1 g/mol.What are the empirical and molecular for
sheet strips which can be redetached without residue or destruction by extensive stretching in the plane of the bond, composed of a mixture comprising a block copolymer and a tackifier, characterized in that at least one compound which is swellable in H2O is incorporated into the mixture.リ...
soluble salt from a liquid or recover the soluble solid solute from the solution. Crystallization. To separate a solid compound in pure and geometrical form. Sublimation. To separate volatile solids, from a non-volatile solid. Distillation. To separate the constituents of a liquid mixture, which ...
As acceptor substrates, the following compounds were tested: CMP-Neu5Ac (600 mM; Nacalai Tesque); Neu5Ac (600 mM; Nacalai Tesque); a mixture of a2,3- and a2,6-linked sialyllactose (600 mM; Sigma Aldrich); GD3 (600 mM; Calbiochem); fetuin (7 mg; Sigma Aldrich); and de-O-...