This discussion focuses on calculating gas concentration in a closed chamber without sensors, specifically using a gas mixture of 10% ammonia (NH3) and 90% oxygen (O2) at a pressure of 10-3 torr in a 1023 cm3 volume chamber. Participants emphasize the importance of understanding flow rates and potential chemical reactions that could alter gas concentrations over time. The final consensus is that if no reactions occur, the concentration remains consistent with the inflow mixture, while reactions necessitate more complex calculations involving reaction rates and temperature considerations.
PREREQUISITESThis discussion is beneficial for chemists, chemical engineers, and researchers involved in gas analysis, particularly those working with closed systems and gas mixtures in laboratory settings.
we want to calculate the gas concentration in the closed chamber and chamber is evacuated .Chestermiller said:I'm trying to read your mind, because you obviously didn't explain what is happening very well. So, here is my guess. You have a chamber being fed with a gas stream containing 10% ammonia and 90% CO2. The rate of flow into the chamber is equal to the rate of flow out of the chamber. The initial concentration of the gas inside the chamber is different from 10%/90%. What is the concentration of the gases in the chamber as a function of time? Is this what you are asking?
Chet