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Many of the highly radioactive elements have values that must be predictions or extrapolations, but are unfortunately not marked as such. This is especially problematic for francium, which by relativistic calculations can be shown to be less electronegative than caesium, but for which the only value (0.7) in the literature predates these ...
That value is also the standard formation energy (∆G f °) for an Fe 2+ ion, since e − and Fe(s) both have zero formation energy. Data from different sources may cause table inconsistencies.
Note that the especially high molar values, as for paraffin, gasoline, water and ammonia, result from calculating specific heats in terms of moles of molecules. If specific heat is expressed per mole of atoms for these substances, none of the constant-volume values exceed, to any large extent, the theoretical Dulong–Petit limit of 25 J⋅mol ...
This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.
The following is an attempt to list some of the most valuable records. Data is sourced from Record Collector , eBay , Popsike, the Jerry Osborne Record Price Guides, and other sources. Wu-Tang Clan 's Once Upon a Time in Shaolin CD (of which only one copy was produced) was sold through Paddle8 on November 24, 2015, for $2,000,000, according to ...
O.J. Simpson prosecutor Marcia Clark revives the forgotten 1950s murder trial of Barbara "Bloody Babs" Graham and discusses decades of evolving true crime coverage.
The reception of their games, along with the creation of Steam, has prompted some publications to list Valve as one of the top game developers of all time and the most powerful company in PC gaming. [ 15 ] [ 16 ] [ 17 ] Newell received a BAFTA Fellowship award in 2013 for recognizing the impact Valve had left on the gaming industry in producing ...
(Reuters) -Some United Food and Commercial Workers (UFCW) local unions on Friday urged Kroger's board to replace CEO Rodney McMullen following the company's announcement of a $7.5 billion stock ...