The volume of an aluminum sample is 251 to the power of 3 what is the mass of the sample?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?