On Easter Sunday, April 3, nitric acid spilled from a tank carnear downtown Denv

Question

On Easter Sunday, April 3, nitric acid spilled from a tank carnear downtown Denver, Colorado. The spill was neutralized withsodium carbonate: 2HNO3(aq) + Na2CO3(s) ----> 2NaNO3(aq) + H2O (l) +CO2(g) a) Calculate H° for this reaction.
Approximately 5.0 X104 galnitric acid was spilled. Assume that the acid was an aqueoussolution containing 65.0% HNO3by mass with a density of 1.42 g/cm3. How much sodiumcarbonate(in g) was required for complete neutralization ofthe spill? (Hf° forNaNO3(aq) = -467 kJ/mol.) How much heat was evolved? (b) According to The Denver Post for April 4,1983,authorities feared that dangerous air pollution might occur duringthe neutralization. Considering the magnitude ofH°, what was their major concern?

On Easter Sunday, April 3, nitric acid spilled from a tank carnear downtown Denver, Colorado. The spill was neutralized withsodium carbonate: 2HNO3(aq) + Na2CO3(s) ----> 2NaNO3(aq) + H2O (l) +CO2(g) a) Calculate H° for this reaction.
Approximately 5.0 X104 galnitric acid was spilled. Assume that the acid was an aqueoussolution containing 65.0% HNO3by mass with a density of 1.42 g/cm3. How much sodiumcarbonate(in g) was required for complete neutralization ofthe spill? (Hf° forNaNO3(aq) = -467 kJ/mol.) How much heat was evolved? (b) According to The Denver Post for April 4,1983,authorities feared that dangerous air pollution might occur duringthe neutralization. Considering the magnitude ofH°, what was their major concern?

Explanation / Answer

2HNO3 + NaCO3 yields 2 H2O + CO2 + 2 NaNO3

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