On Easter Sunday, April 3, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado.
Question:
On Easter Sunday, April 3, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate:
a. Calculate DH8 for this reaction. Approximately 2.0 x 104 gal nitric acid was spilled. Assume that the acid was an aqueous solution containing 70.0% HNO3 by mass with a density of 1.42 g/cm3 . What mass of sodium carbonate was required for complete neutralization of the spill, and what quantity of heat was evolved? (ΔHf° for NaNO3(aq) = -467 kJ/mol)
b. According to The Denver Post for April 4, 1983, authorities feared that dangerous air pollution might occur during the neutralization. Considering the magnitude of ΔH°, what was their major concern?
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a Calculation of DH8 mass of sodium carbonate required and heat evolved Given data Nitric acid mass ...View the full answer
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Related Book For 
Chemistry An Atoms First Approach
ISBN: 9781305079243
2nd Edition
Authors: Steven S. Zumdahl, Susan A. Zumdahl
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