A solution is prepared by dissolving 1.575g of oxalic acid,(cooH)2 Crystals in 500ml of it's solution. calculate normality, molarity, g/l , percentage by solution.

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

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

Asolid that forms and separates from a liquid mixture is called