In a process containing a recycle and a purge stream, 100 moles/hr of a are fed into the system. a reactor induces a reaction a b, which itself leads to a reaction b c. the yield of b in the reactor is 18%. the stream exiting the reactor enters a separator, in which all b is separated from all a and c. all b then exits the system in a product stream. the strearm leaving the separator containing a and c is then split at a ratio of 4 moles recycled for every 1 mole purged. the purge stream contains 20 moles/hr of c. a) draw and label the flowsheet. b) determine the flow rate of a in the purge stream, the rate of production of b, and the conversion in the reactor

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

The earth's moon is unusually large. two popular theories of the moon's origin include the "sister world" hypothesis, which states that the moon formed from the same materials as the earth, near enough to the earth that they fell into orbit around each other. a second theory is the "capture" hypothesis, in which the moon formed elsewhere in the solar system, and the earth's gravity pulled it into its orbit. studies of what the moon is made of indicate that some of its materials had to come from the earth or from the same area of the solar system where the earth had formed. at the same time, the moon does not contain much of the material that makes up the earth's core, so the moon could not have formed from the same materials as the earth. how do the two facts above affect the described theories of the moon's origin? a. they show that scientists will never agree on where the moon came from. b. they show that more experiments on moon formation need to be done. c. they show that no theory accounts for the existence of the moon. d. they show that neither theory is complete and entirely correct.

Identify two types of chemical bonding in the source of dietary potassium