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The hydrogen storage density per unit volume (crystal) of LaNi 5 H 6.5 at 2 bar is equal to the density of gaseous molecular hydrogen at 1800 bar, and all hydrogen can be desorbed at 2 bar. Although the hydrogen storage density in practical applications is reduced due to the aggregation of some LaNi 5 powders, it is still higher than the ...
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A one-pot synthesis of cyclopropylacetylene has been reported in which 5-chloro-1-pentyne reacts with n-butyl lithium or n-hexyl lithium. Cyclohexane is used as a solvent. The reaction is a metalation followed by a cyclization. The reaction product is then cooled, and an aqueous solution of ammonium chloride is added slowly. There is a two ...
W(CO) 6 behaves similarly to the Mo(CO) 6 but tends to form compounds that are kinetically more robust. Cyclopentadienyltungsten tricarbonyl dimer ((C 5 H 5.) 2 W 2 (CO) 6) is produced from W(CO) 6. Treatment of tungsten hexacarbonyl with sodium cyclopentadienide followed by oxidation of the resulting NaW(CO) 3 (C 5 H 5) gives ...
Hyundai and Kia are recalling over 208,000 electric vehicles to fix a pesky problem that can cause loss of drive power, increasing the risk of a crash. The recalls cover more than 145,000 Hyundai ...
The Delaware judge considering whether a vote by Tesla shareholders reinstated Elon Musk's $56 billion pay package which the court had voided will try to issue a ruling this year, according to the ...