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In September 1997, Netscape previewed a new, competing technology named "Aurora," based on RDF, [10] a metadata model whose first public working draft would be posted the next month [2] by a W3C working group that included representatives of many companies, including R.V. Guha of Netscape. [5]
The solution was initially prepared at 20 °C and then stored for 2 days at 4 °C. In chemistry, solubility is the ability of a substance, the solute, to form a solution with another substance, the solvent. Insolubility is the opposite property, the inability of the solute to form such a solution. The extent of the solubility of a substance in ...
It is highly soluble in water, with a lower solubility in polar solvents such as ethanol and methanol. [14] Sodium hydroxide is insoluble in ether and other non-polar solvents. Similar to the hydration of sulfuric acid, dissolution of solid sodium hydroxide in water is a highly exothermic reaction [ 15 ] where a large amount of heat is ...
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Water is the most abundant substance on Earth's surface and also the third most abundant molecule in the universe, after H 2 and CO. [22] 0.23 ppm of the earth's mass is water and 97.39% of the global water volume of 1.38 × 10 9 km 3 is found in the oceans. [83]
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In 1975, the MITS Altair 8800 was released based on the Intel 8080 CPU, and Gates and Allen saw the opportunity to start their own computer software company. [33] Gates dropped out of Harvard that same year. His parents were supportive of him after seeing how much he wanted to start his own company. [34]
Sodium carbonate decahydrate (Na 2 CO 3 ·10H 2 O), also known as washing soda, is the most common hydrate of sodium carbonate containing 10 molecules of water of crystallization. Soda ash is dissolved in water and crystallized to get washing soda. It is one of the few metal carbonates that is soluble in water.