Asample of mercury has a mass of 119 g and a volume of 8.76ml. calculate the density of mercury. (how do you do this! )

Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure