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Blackboard Collaborate Ultra- D General Psychology - Fall 20 x A ALEKS - Griffin Barden - Learn s.com/alekscgi/x/Isl.exe/10_u-IgNsikr7}8P3]H-JczzdcvSCzsqTCIDqNGV3bkqhMfPmUcQ4ENkmiXn9QCwgeDPDk006yszYWESPcekwLO-Qg619rekU7404HgFAGbEZaDr080?10Bw7QYjlbavbSPXtx-YCjsh 7mMmrqeit O THERMOCHEMISTRY Using Hess's Law to calculate net reaction enthalpy Griffin v 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: N,(g) + 3H,(g) – 2 NH,(g) AH=-92. kJ In the second step, ammonia and oxygen react to form nitric acid and water: NH, (9) + 20,(9) - HNO,(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. dlo

Blackboard Collaborate Ultra- D General Psychology - Fall 20 x A ALEKS - Griffin Barden - Learn s.com/alekscgi/x/Isl.exe/10_u-IgNsikr7}8P3]H-JczzdcvSCzsqTCIDqNGV3bkqhMfPmUcQ4ENkmiXn9QCwgeDPDk006yszYWESPcekwLO-Qg619rekU7404HgFAGbEZaDr080?10Bw7QYjlbavbSPXtx-YCjsh 7mMmrqeit O THERMOCHEMISTRY Using Hess's Law to calculate net reaction enthalpy Griffin v 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: N,(g) + 3H,(g) – 2 NH,(g) AH=-92. kJ In the second step, ammonia and oxygen react to form nitric acid and water: NH, (9) + 20,(9) - HNO,(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. dlo

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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# Using Hess's Law to Calculate Net Reaction Enthalpy ## Thermochemistry Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. **First step:** - **Reaction:** \( N_2(g) + 3H_2(g) \rightarrow 2NH_3(g) \) - **Enthalpy Change (\( \Delta H \))**: \(-92 \, \text{kJ/mol} \) **Second step:** - **Reaction:** \( NH_3(g) + 2O_2(g) \rightarrow HNO_3(g) + H_2O(g) \) - **Enthalpy Change (\( \Delta H \))**: \(-330 \, \text{kJ/mol} \) 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. The page contains an input box for entering the calculated enthalpy value in kJ, with options to confirm or request hints. ### Explanation of Diagrams The page doesn't contain any graphs or complex diagrams, but there are interactive icons on the side that appear to relate to educational tools and resources such as problem-solving assistance, hints, or the ability to submit and verify your answer.
Transcribed Image Text:# Using Hess's Law to Calculate Net Reaction Enthalpy ## Thermochemistry Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. **First step:** - **Reaction:** \( N_2(g) + 3H_2(g) \rightarrow 2NH_3(g) \) - **Enthalpy Change (\( \Delta H \))**: \(-92 \, \text{kJ/mol} \) **Second step:** - **Reaction:** \( NH_3(g) + 2O_2(g) \rightarrow HNO_3(g) + H_2O(g) \) - **Enthalpy Change (\( \Delta H \))**: \(-330 \, \text{kJ/mol} \) 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. The page contains an input box for entering the calculated enthalpy value in kJ, with options to confirm or request hints. ### Explanation of Diagrams The page doesn't contain any graphs or complex diagrams, but there are interactive icons on the side that appear to relate to educational tools and resources such as problem-solving assistance, hints, or the ability to submit and verify your answer.
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