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3. (15 points) Suppose 100 mol/s of methane and 150 mol/s oxygen are fed to a reactor at 25 C, the
fractional conversion is 70%, and the products are brought back down to 25 C. Using the following
diagram and table data, answer questions a - d.
CHA(g) + 02(9) - HCHO(g) + H20(v)
100 mol CH4(g)/s
mol CH4(g)/s
150 mol Oz(g)/s
mol Oz(g)/s
25. C
mol HCHO(g)/s
mol H20 (1)/s
25 C
AHoc (25 .C, 1 atm)
CH4 (g)
O2 (8)
H2O (1)
HCHO (g)
Please do work on separate page and write answers here
(a) What is the molar flow rate of oxygen (02) exiting the reactor?
(b) What is the molar flow rate of formaldehyde (HCHO) exiting the reactor?
(c) What is the heat of reaction for the given reaction?
(d) What is the heat transferred from the reactor Q ?
( KW)
(e) If the products were not cooled to 25C but instead came out at 50C what would the heat
transferred from the reactor be Q?

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