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Problem: The reaction between propane and hydrogen chloride to form propyl chloride and hydrogen is carried out in a continuous reactor. The product stream is analyzed and found to contain 27.45 mole% C3H7Cl, 27.45 mole % H2 and 14.6% HCl. The feed to the reactor contains only propane and hydrogen chloride. Calculate the fractional conversion of the limiting reactant and the percentage by which the other reactant is in excess. If the molar flow rate of the feed stream is 290 mol/s, what is the extent of reaction? (Give its numerical value and its units.) Explanation: So we added up the amounts of propyl chloride, hydrogen, and HCl and found that they were 69.5 percent. What else do we have in our system? Well, we won't make you type it in, but it's propane. We only have four different chemicals in our problem and three of them in one stream make up 69.5 percent. This means we must have: 100 percent - 69.5 percent = 30.5 mole percent of propane in our product stream. Let's add all of our mole fractions to our flowsheet and also write down the following code number so we can move on to the rest of the problem after we're done with figuring out which steps are important to do first in this problem: |
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