When 100 grams of (NH4)2S reacts with excess FeN, how many grams of Fe2S3 can be produced?

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

What three things determine the shape and size of a puddle when water is poured out onto a surface

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d