7. How many moles of a solute is present in 4.00 L of an 8.30 M solution? A. 8.3 mol
B. 33.2 mol
C. It depends on whether the solute is ionic or covalent.
D. It depends on the volume of water.

One does not belong why? ice, gold ,wood ,diamond and table salt

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?

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.