You need to make an aqueous solution of 0.190 M ammonium nitrate for an experiment in lab, using a 500 mL volumetric flask. How much solid ammonium nitrate should you add

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.

Which other elements contain the same number of outer electrons as sodium

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump