A mixture of methane and air is capable of being ignited only if the mole percent of methane is between 5% and 15%. A mixture containing 6.00 mole% methane in air flowing at a rate of 1300.0 kg/h is to be diluted with pure air to reduce the methane concentration to the lower flammability limit. Calculate the required flow rate of air in mol/h and the percent by mass of oxygen in the product gas. (Note: Air may be taken to consist of 21.0 mole% O2 and 79.0 mole% N2 and hence to have an average molecular weight of 29.0). Required dilution air: Mass percent O2 in product:

A mixture of methane and air is capable of being ignited only if the mole percent of methane is between 5% and 15%. A mixture containing 6.00 mole% methane in air flowing at a rate of 1300.0 kg/h is to be diluted with pure air to reduce the methane concentration to the lower flammability limit. Calculate the required flow rate of air in mol/h and the percent by mass of oxygen in the product gas. (Note: Air may be taken to consist of 21.0 mole% O2 and 79.0 mole% N2 and hence to have an average molecular weight of 29.0). Required dilution air: Mass percent O2 in product:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A mixture of methane and air is capable of being ignited only if the mole percent of methane is between 5% and 15%.
A mixture containing 6.00 mole% methane in air flowing at a rate of 1300.0 kg/h is to be diluted with pure air to reduce the methane
concentration to the lower flammability limit.
Calculate the required flow rate of air in mol/h and the percent by mass of oxygen in the product gas.
(Note: Air may be taken to consist of 21.0 mole% O2 and 79.0 mole% N and hence to have an average molecular weight of 29.0).
Required dilution air:
4/1ouy
Mass percent O2 in product:
i

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