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What does the chemical symbol NoX mean?

The chemical symbol NoX typically refers to nitrogen oxides, which are a group of gases that include nitric oxide (NO) and nitrogen dioxide (NO2). These compounds are primarily produced from combustion processes and are significant pollutants that contribute to air quality issues and the formation of smog. The "X" in NoX indicates that it can represent more than one nitrogen oxide species.


What reduces NOx produced during combustion?

NOx emissions produced during combustion can be reduced through several methods, including the use of selective catalytic reduction (SCR) systems, which convert NOx into nitrogen and water using a catalyst and a reductant like ammonia. Exhaust gas recirculation (EGR) is another technique that lowers combustion temperatures by recirculating a portion of the exhaust back into the engine, thereby reducing NOx formation. Additionally, optimizing combustion processes and using low-NOx burners can also help minimize NOx emissions.


How do you calculate nox in ambient air?

NOx in ambient air is typically measured using a chemiluminescence method. This technique involves chemically reacting NO and NO2 with ozone to produce light, which is then measured to quantify the concentration of NOx. Other methods include using gas analyzers or employing passive samplers to collect NOx for later analysis in a laboratory.


What are three products of respireation?

Gases(co2, Nox etc), water and heat


Are NOx gases greenhouse gases?

Yes, NOx gases are considered greenhouse gases. They contribute to global warming by trapping heat in the Earth's atmosphere. Additionally, they play a role in the formation of smog and acid rain.