A freeway has 10,000 vehicles per hour passing a house 200 m away. Each car emits anaverage of 1.5 gr/mi of NOx, and winds are blowing at 2 m/s...

A freeway has 10,000 vehicles per hour passing a house 200 m away. Each car emits anaverage of 1.5 gr/mi of NOx, and winds are blowing at 2 m/s across the freeway towardsthe house. Estimate the NOx concentration at the house on a clear summer day near noon(assuming NOx chemically stable).