Answered: The air in a certain room 150’ x 50’ x…

The air in a certain room 150’ x 50’ x 12’ tested 0.2% CO2. Fresh air containing 0.05% CO2 was then admitted by ventilators at the rate of 9000 ft3/min. Find the % of CO2 after 20 min.

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter8: Direct Use Of Solar Energy

Section: Chapter Questions

Problem 8P: Compare the masses and volumes of water, concrete, sand, and wood needed to store 106 Btu of heat if...

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Question

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The air in a certain room 150’ x 50’ x 12’ tested 0.2% CO₂. Fresh air containing 0.05% CO₂ was then admitted by ventilators at the rate of 9000 ft³/min. Find the % of CO₂after 20 min.

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