The mineral halite has cube-shaped crystals because: 1. there are no planes along which the mineral can break 2. cubes are the most common way two tetrahedrons can join 3. of the arrangement of atoms in the crystal lattice 4. halite is soluble in water ...
Explain why most of the salts are soluble in water. Include molecular-level diagrams in the answer. Describe an ionic crystal. What factors might determine the geometrical arrangement of the ions? How does the presence of HCl affect the charges on weak complexes? Why does the color of methyl...
The waste materials are stirred in water by mechanical forces, large pieces, in particular plastic pieces, are coarsely crushed and soluble elements, in particular cardboard, are dissolved. The metallic elements are separated from the suspension as heavy materials, the remaining coarse solids, in ...
If we classify substances as ionic, molecular, macromolecular, or metallic, in if any categories are all the members: a. insoluble in water? b. electrical conductors in the melt? c. soluble in all common solvents? d. solids at room temperature?Classi...
Rare earths are metallic elements present in small concentrations in most minerals. The rare earths are essential constit... GK Muecke,P M?Ller - 《Scientific American》 被引量: 28发表: 1988年 Surface chemistry considerations in the flotation of rare-earth and other semisoluble salt minerals ...
The isolation (1), synthesis (2) and physio-logical significance (3 to 9) of pyridoxine1 in animal nutrition have recently been established. Clinical studi... J Flexner,MR Chassin - 《Journal of Clinical Investigation》 被引量: 6发表: 1941年 CXXIII. THE WATER-SOLUBLE B-VITAMINS. V. NOTE...
Sericin is a water‐soluble globular protein that is easily soluble in hot or boiling water and is extracted from the silkworm Bombyx mori cocoons [65]. Most of the sericin is removed during the silk processing and it is usually discarded in the wastewater [66]. This fact leads to Alginate...
2. A compound according to claim 1, wherein a Lewis base is coordinated to M. 3. A compound according to claim 1, wherein m and p are 0. 4. A compound according to claim 1, wherein M is Al, Ga, In, or Sn. 5. A compound according to claim 1, wherein M is Al or In. ...
During the chlorination of drinking water and wastewater, what is it that makes chlorine an effective microbicide? Describe the implications for society, benefits, drawbacks, practicality, and reactivity of uranium. Describe what happens to ionic solids when they ...
Why do ionic compounds conduct electricity in an aqueous solution or when molten, but do not conduct electricity when in the solid-state? Why are alkali metals more reactive than alkaline-earth metals? How does metallic bonding structure explain why metals are malleable? Why does ...