CH-1287
Air pollutants
Chemistry · Secondary 4 · Medium · Air pollutants
A lean-burn engine uses more air and operates at a lower temperature than a normal engine. How does this affect the amount of nitrogen monoxide, NO, formed?
- More NO is produced because there is more air
- Less NO is produced because the temperature is lower
- The amount of NO is unchanged because air composition is fixed
- No NO is produced because nitrogen is unreactive at any temperature
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