Which family of metals is the most reactive? Rare Earth metals
Transition metals
Alkaline Earth metals
Alkali metals?

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

What is the equilibrium constant of aa+bb=cc+dd

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water