Use Hess's Law to calculate the energy change for the reaction that produces SO3. 2S(s) +20, (g) → 280, (g) 280, (g) +0, (g) → 280, (g)
AH = -594kJ AH =-198kJ

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

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!