I need help plz help plz (i give brainliest) The light is most intense where it strikes Earth to its surface.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5 m hcl? show all of the work needed to solve this problem. mg (s) + 2hcl (aq) → mgcl2 (aq) + h2 (g)

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

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .