1. How much methane was consumed? What is the fractional conversion of methane? 2. How much oxygen was consumed? What is the fractional conversion of oxygen? 3. Write the extent of reaction equation (4.6-3) for methane, oxygen, and CO2. Use each equation to determine the extent of reaction, , substituting inlet and outlet values from the flowchart.

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Chapter1: Chemical Foundations
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Solve using the extent of reaction method.
Methane is burned to form carbon dioxide and water in a batch reactor:
CH4 + 2 O2 → CO2 + 2 H2O
The feed to the reactor and the products obtained are shown in the following flowchart:
100 moi CH.
250 mol 02
40 mol CH4
130 mol 02
60 mol CO2
120 mol H20
1. How much methane was consumed? What is the fractional conversion of methane?
2. How much oxygen was consumed? What is the fractional conversion of oxygen?
3. Write the extent of reaction equation (4.6-3) for methane, oxygen, and CO2. Use each
equation to determine the extent of reaction, , substituting inlet and outlet values from
the flowchart.
4.7
Balances on Reactive Processes 135
4. How many independent molecular species balances can be written? How many indepen-
dent atomic species balances can be written?
5. Write the following balances and verify that they are all satisfied. The solution of the first
one is given as an example.
(a) Methane. (I = 0 + C. 100 mol CH4 in = 40 mol CH4 out + 60 mol CHạ consumed)
(b) Atomic oxygen (O).
(c) Molecular oxygen (O2).
(d) Water.
(e) Atomic hydrogen.
Transcribed Image Text:Methane is burned to form carbon dioxide and water in a batch reactor: CH4 + 2 O2 → CO2 + 2 H2O The feed to the reactor and the products obtained are shown in the following flowchart: 100 moi CH. 250 mol 02 40 mol CH4 130 mol 02 60 mol CO2 120 mol H20 1. How much methane was consumed? What is the fractional conversion of methane? 2. How much oxygen was consumed? What is the fractional conversion of oxygen? 3. Write the extent of reaction equation (4.6-3) for methane, oxygen, and CO2. Use each equation to determine the extent of reaction, , substituting inlet and outlet values from the flowchart. 4.7 Balances on Reactive Processes 135 4. How many independent molecular species balances can be written? How many indepen- dent atomic species balances can be written? 5. Write the following balances and verify that they are all satisfied. The solution of the first one is given as an example. (a) Methane. (I = 0 + C. 100 mol CH4 in = 40 mol CH4 out + 60 mol CHạ consumed) (b) Atomic oxygen (O). (c) Molecular oxygen (O2). (d) Water. (e) Atomic hydrogen.
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