Apply what you know about convection in the mantle to describe how a convection current forms in soup that is sitting over a flame.

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

What volume would 2.25 moles of ne has occupy at stp?

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.