A wood block has edge lengths of 4.00 cm each and a mass of 54.5 g. What is the density of the block in units of g/cm3?

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.

Stage in which a typical star has completely stopped fusion

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.