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Spanish escuela alta calques English high school (secundaria or escuela secundaria in Standard Spanish) Spanish grado (de escuela) calques English grade (in school) (nota in Standard Spanish) Spanish manzana de Adán calques English Adam's apple (nuez de Adán, meaning "Adam's nut", in standard Spanish), which in turn is a calque of French ...
A sulfite sulfate is a chemical compound that contains both sulfite and sulfate anions [SO 3] 2− [SO 4] 2−.These compounds were discovered in the 1980s as calcium and rare earth element salts.
Two thirds of the world's production of the decahydrate (Glauber's salt) is from the natural mineral form mirabilite, for example as found in lake beds in southern Saskatchewan. In 1990, Mexico and Spain were the world's main producers of natural sodium sulfate (each around 500,000 tonnes ), with Russia , United States , and Canada around ...
An example is the complex Co 2 (SO 4)] + Br − [7] or the neutral metal complex PtSO 4 (PPh 3) 2] where the sulfate ion is acting as a bidentate ligand. The metal–oxygen bonds in sulfate complexes can have significant covalent character.
SO4 is an acronym for remembering the function of the fourth cranial nerve, the trochlear nerve, which control the superior oblique muscle of the eye. SO(4), the group of rotations in 4-dimensional Euclidean space
The sulfate nitrates are a family of double salts that contain both sulfate and nitrate ions (NO 3 −, SO 4 2−).They are in the class of mixed anion compounds.A few rare minerals are in this class.
For example a range from 1.4 to 2.2 Na 2 SO 4 •Na 2 CO 3 is stable as a solid solution. [2] Silvialite can substitute about half its sulfate with carbonate [ 3 ] and the high temperature hexagonal form of sodium sulfate (I) Na 2 SO 4 can substitute unlimited proportions of carbonate instead of sulfate.
No other materials are needed. In education, a worksheet may have questions for students and places to record answers. In accounting, a worksheet is, or was, a sheet of ruled paper with rows and columns on which an accountant could record information or perform calculations. These are often called columnar pads, and typically green-tinted.