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?

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

the correct answer is:

a. formation of precipitation