Carbon dioxide (CO2) can react with hydrogen gas (H2) to produce methane (CH4) and water vapor (H2O). A gas mixture of 100 mole/hr that contains 15 mole % of CO2, 40 mole % of H2, and balance nitrogen (N2) is fed into a reactor. If the extent of reaction is 12 mole/hr of the limiting reactant reacting. (a) Plot a diagram illustrating the process and write down the balanced chemical reaction. (b) What is the limiting reactant? What is the excess reactant? What is the % excess of the reactant that is fed in excess to the reactor? (c) What is the fraction conversion of the limiting reactant? (d) Calculate the number of moles of each species in the product stream. (e) Determine the mole fractions of the species in the product stream.

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Carbon dioxide (CO2) can react with hydrogen gas (H2) to produce methane (CH4) and water
vapor (H2O). A gas mixture of 100 mole/hr that contains 15 mole % of CO2, 40 mole % of H2,
and balance nitrogen (N2) is fed into a reactor. If the extent of reaction is 12 mole/hr of the
limiting reactant reacting.
(a) Plot a diagram illustrating the process and write down the balanced chemical reaction.
(b) What is the limiting reactant? What is the excess reactant? What is the % excess of the
reactant that is fed in excess to the reactor?
(c) What is the fraction conversion of the limiting reactant?
(d) Calculate the number of moles of each species in the product stream.
(e) Determine the mole fractions of the species in the product stream.
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Transcribed Image Text

Carbon dioxide (CO2) can react with hydrogen gas (H2) to produce methane (CH4) and water vapor (H2O). A gas mixture of 100 mole/hr that contains 15 mole % of CO2, 40 mole % of H2, and balance nitrogen (N2) is fed into a reactor. If the extent of reaction is 12 mole/hr of the limiting reactant reacting. (a) Plot a diagram illustrating the process and write down the balanced chemical reaction. (b) What is the limiting reactant? What is the excess reactant? What is the % excess of the reactant that is fed in excess to the reactor? (c) What is the fraction conversion of the limiting reactant? (d) Calculate the number of moles of each species in the product stream. (e) Determine the mole fractions of the species in the product stream.

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