Bromine is a chemical element with symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. Its properties are thus intermediate between those of chlorine and iodine. Isolated independently by two chemists, Carl Jacob Löwig (in 1825) and Antoine Jérôme Balard (in 1826), its name was derived from the Ancient Greek βρῶμος ("stench"), referencing its sharp and disagreeable smell.
Read moreSulfur hexafluoride (SF6) is an inorganic, colorless, odorless, non-flammable, extremely potent greenhouse gas, and an excellent electrical insulator. SF 6 has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. It is a hypervalent molecule. Typical for a nonpolar gas, it is poorly soluble in water but quite soluble in nonpolar organic solvents. It is generally transported as a liquefied compressed gas. It has a density of 6.12 g/L at sea level conditions…
Read moreSulfur trioxide (alternative spelling sulphur trioxide) is the chemical compound with the formula SO3. In the gaseous form, this species is a significant pollutant, being the primary agent in acid rain.
Read moreMagnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water Magnesium hydroxide is a common component of antacids, such as milk of magnesia, as well as laxatives. Uses of Magnesium Hydroxide Precursor to MgO
Read moreIs magnesium stearate bad for you? Myatt: Magnesium stearate is a simple salt made of two common nutritional substances, the mineral magnesium and the saturated fat stearic acid. It is used as a “flow agent” in many nutritional supplements and pharmaceuticals. ... Both magnesium and stearic acid are not only safe, they are beneficial to human health. Is stearic acid good for your skin?
Read moreThe Coal Oil Point seep field (COP) in the Santa Barbara Channel offshore from Goleta, California, is a marine petroleum seep area of about three square kilometres, within the Offshore South Ellwood Oil Field and stretching from the coastline southward more than three kilometers (1.9 mi). Major seeps are located in water depths from 20 to 80 meters. The seep field is among the largest and best studied areas of active marine seepage in the world.
Read moreStoichiometry is founded on the law of conservation of mass where the total mass of the reactants equals the total mass of the products, leading to the insight that the relations among quantities of reactants and products typically form a ratio of positive integers. This means that if the amounts of the separate reactants are known, then the amount of the product can be calculated. Conversely, if one reactant has a known quantity and the quantity of the products can be empirically determined,…
Read moreWorld Toilet Day (WTD) is an official United Nations international observance day on 19 November to inspire action to tackle the global sanitation crisis. Worldwide, 4.5 billion people live without "safely managed sanitation". World Toilet Day was established by the World Toilet Organization in 2001. Twelve years later, the UN General Assembly declared World Toilet Day an official UN day in 2013.
Read moreHand washing, also known as hand hygiene, is the act of cleaning hands for the purpose of removing soil, dirt, and microorganisms. If water and soap is not available, hands can be cleaned with ash instead. A substitute for tap water is pouring water from a hanging jerrycan or gourd.
Read moreGlobal Handwashing Day (GHD) is a campaign to motivate and mobilize people around the world to improve their handwashing habits. Washing hands at critical points during the day and washing with soap are both important. Global Handwashing Day occurs on 15 October of each year. The global campaign is dedicated to raising awareness of handwashing with soap as a key factor in disease prevention.Respiratory and intestinal diseases can be reduced by 25-50%. Aims The aims of Global Handwashing Day…
Read more