A54-gram sample of an unknown material has a volume equal to 20 cm3
. based on its density,
could the sample be aluminum? explain.

What happens when the temperature of a solution increases?

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

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation