Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. In the first step, nitrogen and hydrogen react to form ammonia: N2(g) + 3 H,(g) → 2 NH3(g) AH=-92. kJ In the second step, ammonia and oxygen react to form nitric acid and water: NH,(g) + 20,(9) → HNO3(g) + H,0(g) AH=-330. kJ Calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. Round your answer to the nearest kJ.

Chemistry: Principles and Practice
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Chapter3: Equation, The Mole, And Chemical Formulas
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Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. In the first step,
nitrogen and hydrogen react to form ammonia:
N2(g) + 3 H,(g) → 2 NH;(g)
AH=-92. kJ
In the second step, ammonia and oxygen react to form nitric acid and water:
NH,(g) + 20,(g) – HNO3(9) + H,O(g)
AH=-330. kJ
Calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions.
Round your answer to the nearest kJ.
Continue
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Transcribed Image Text:Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. In the first step, nitrogen and hydrogen react to form ammonia: N2(g) + 3 H,(g) → 2 NH;(g) AH=-92. kJ In the second step, ammonia and oxygen react to form nitric acid and water: NH,(g) + 20,(g) – HNO3(9) + H,O(g) AH=-330. kJ Calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. Round your answer to the nearest kJ. Continue Submit Assign. 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Access DELL
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