Kerosene heaters that are used for indoor heating are known to produce NO2, a highly toxic gas. NO2 poses a health hazard to people living in the household. Formulate a model to develop an expression for the change in NO2 concentration as a function of time. When the heater is on, it generates NO2 at a constant rate of SA moles per unit time. Ventilation air coming from the outside of the house at a volumetric flow Q contains no NO2 whereas the exit ventilation (also at the volumetric flow Q) will carry away NO2 at a concentration equal to that in the house. Here we assume that the air in the house is perfectly mixed. Assume that NO2 decomposes spontaneously with a first order reaction rate constant k (time-1).

answer:

you cant but you can report the sender

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explanation:

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answer:

All this is to say that new technologies develop quickly and continuously, and society is used to and adapts quickly to these constant innovations. ... Medical technology is always improving, leading to lower infant mortality, cures for diseases, and many more improvements in quality of life.

Explanation:

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