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A thick part made of nickel is put into a room filled with hydrogen at 3 atm and 85°C Determine the hydrogen concentration at a depth of 2mm from the surface after 24 h 2 A tanker truck carrying

A thick part made of nickel is put into a room filled with hydrogen at 3 atm and 85°C. Determine the hydrogen concentration at a depth of 2-mm from the surface after 24 h.

2. A tanker truck carrying liquid herbicide overturned and caused a spill over a field. The liquid herbicide remained on the soil for 30 minutes before evaporating into the air. The mass diffusivity of the liquid herbicide in the soil is 2 x 10–8 m2/s. If a concentration of 0.1% by weight will destroy most life, determine the depth of the soil at which plant and insect life is likely to be affected by the spill.

Jul 23 2020 View more View Less

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