How many moles of CO are produced from the reaction of 2.50 moles of O₂

Are hallucinogen a clinically useful drugs?

What is important to study for nios grade 12 chemistry? i have only one month left.

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