Which member of each pair would theoretically be the better conductor of electricity? cscl, cacl2 cas, li2s kbr, alcl3 alcl3, mgc2 ki, k2s

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

Adilute aqueous potassium nitrate solution is

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.