The measured volumetric flow rate of ethane at 5.00 atm absolute and 85.0°c is 5.00 x 103 l/h. using an estimated value of the second virial coefficient in the truncated virial equation (equation 5.3–2), calculate v∧ , estimate the compressibility factor z, and determine the mass flow rate of ethane in kg/h.

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acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.