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Modern Standard Arabic ( MSA) or Modern Written Arabic ( MWA) [3] is the variety of standardized, literary Arabic that developed in the Arab world in the late 19th and early 20th centuries, [4] [5] and in some usages also the variety of spoken Arabic that approximates this written standard. [6] MSA is the language used in literature, academia ...
The 1920s saw increased production of LP gases, with the first year of recorded production totaling 223,000 US gallons (840 m 3) in 1922. In 1927, annual marketed LP gas production reached 1 million US gallons (3,800 m 3), and by 1935, the annual sales of LP gas had reached 56 million US gallons (210,000 m 3). Major industry developments in the ...
The United Nations Standard Minimum Rules for the Treatment of Prisoners were adopted by the United Nations General Assembly on 17 December 2015 after a five-year revision process. [1] They are known as the Mandela Rules in honor of the former South African President, Nelson Mandela. The Mandela Rules are composed of 122 "rules".
Standard molar entropy. In chemistry, the standard molar entropy is the entropy content of one mole of pure substance at a standard state of pressure and any temperature of interest. These are often (but not necessarily) chosen to be the standard temperature and pressure . The standard molar entropy at pressure = is usually given the symbol S ...
The hydrogen electrode is based on the redox half cell corresponding to the reduction of two hydrated protons, 2H+(aq), into one gaseous hydrogen molecule, H2 (g). General equation for a reduction reaction: The reaction quotient ( Qr) of the half-reaction is the ratio between the chemical activities ( a) of the reduced form (the reductant, ared ...
Standard English. In an English-speaking country, Standard English ( SE) is the variety of English that has undergone substantial regularisation and is associated with formal schooling, language assessment, and official print publications, such as public service announcements and newspapers of record, etc. [1] All linguistic features are ...
e. In Newtonian mechanics, momentum ( pl.: momenta or momentums; more specifically linear momentum or translational momentum) is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity (also a vector quantity), then the object's momentum p ...
ExxonMobil is mostly composed of the Standard Oil Company of New Jersey (Jersey Standard) and the Standard Oil Company of New York (Socony). The two companies partnered on a semi-frequent basis during their infancy before pursuing mergers and acquisitions, with Jersey Standard buying Texas-based Humble Oil and Socony merging with Standard descendant Vacuum Oil to form Socony-Vacuum.