Compound a is a derivative of the carbohydrate perosamine, which is found in the antibiotic perimycin. when a is treated with acetic anhydride in methanol, a monoacyl derivative b (c9h17no5) is obtained in 73% yield. what is the structure of compound b?

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 grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

How many moles are contained in 5.6 l of h2 at stp