50 points if you answer this pleaaase

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

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