Medieval european alchemists called sulfuric acid the oil of

Which type of reaction always has an element and a compound as reactants

What is the number of moles in 15.0 g ash3?

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