A new US dime has a mass of 2.265 grams. What is its mass in kilograms? In milligrams? If a silver dollars contains 91.0 percent silver by mass, how many kilograms of silver can be extracted from 8.42 kg of silver dollars? ...
MH sample (Figure 4a) presents as large aggregates prevalently formed by magnesium hydroxide hexagonal platelets, in agreement with XRD findings; in addition, a few rounded shaped particles (red arrows) are also visible. The evolution of the sample morphology as the result of the doping by ...
Kotoite has been locally found as small, rounded crystals almost completely replaced by szaibelyite (Figure 5L). Kotoite formation by dolomite replacement has been proposed by Watanabe [72], according to the reaction: 3CaMg(CO3)2 + 2B(OH)3 = Mg3(BO3)2 + 3CaCO3 + 3CO2 + 3H2O (3)...
Kotoite has been locally found as small, rounded crystals almost completely replaced by szaibelyite (Figure 5L). Kotoite formation by dolomite replacement has been proposed by Watanabe [72], according to the reaction: 3CaMg(CO3)2 + 2B(OH)3 = Mg3(BO3)2 + 3CaCO3 + 3CO2 + 3H2O (3)...