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112 (9) 4. Calculate DH for the reaction 2 Al (s) +3 C12 (g) → 2 AICI3 (s) from the following data. 2 Al (s) + 6 HCI (aq) →2 AICI3 (aq) + 3 H2 (g) AH = -1049. kJ HCI (g) H2 (g) + C12 (g) →2 HCI (g) AICI3 (s) AIC13 (aq) %3D - HCI (aq) AH = -74.8 kJ/mole AH = -1845. kJ %3D AH = -323. kJ/mole

112 (9) 4. Calculate DH for the reaction 2 Al (s) +3 C12 (g) → 2 AICI3 (s) from the following data. 2 Al (s) + 6 HCI (aq) →2 AICI3 (aq) + 3 H2 (g) AH = -1049. kJ HCI (g) H2 (g) + C12 (g) →2 HCI (g) AICI3 (s) AIC13 (aq) %3D - HCI (aq) AH = -74.8 kJ/mole AH = -1845. kJ %3D AH = -323. kJ/mole

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hi! Can someone answer Learning Task 4, no. 4? Thanks!
C2H4 (9) + H2 (9) - C2H8 (9) AH - Learning Task 4: Show your solution. 1. Calculate AH for the reaction 4 NH3 (g) +5 02 (g)4 NO (g) + 6 H2O (g), from the following data. AH = -180.5 kJ N2 (g) + 02 (g) →2 NO (g) N2 (g) +3 H2 (g)→2 NH3 (g) 2 H2 (g) + 02 (g)→2 H2O (g) AH = -91.8 kJ AH = -483.6 kJ 2. Find OH° for the reaction 2H2(g) + 2C(s) + 02(g) C2H5OH(I), using the following thermochemical data. C2H5OH (I) +2 02 (g)→2 CO2 (g) + 2 H20 (1) C (s) + 02 (g) → CO2 (g) H2 (g) + 2 02 (g) → H2O (1) AH = -875 kJ AH = -394.51 kJ AH = -285.8 kJ HCN (g) + 3 H2 (g), given: AH = -91.8 kJ 3. Calculate AH for the reaction CH4 (g) + NH3 (g) N2 (g) +3 H2 (g) →2 NH3 (g) C (s) + 2 H2 (g)→ CH4 (g) H2 (g) + 2 C (s) + N2 (g) → 2 HCN (g) AH = +270.3 kJ AH = -74.9 kJ 4. Calculate DH for the reaction 2 Al (s) + 3 C12 (g)2 AICI3 (s) from the following data. 2 Al (s) + 6 HCI (aq) 2 AICI3 (aq) + 3 H2 (g) AH = -1049. kJ HCI (g) HCI (aq) H2 (g) + C12 (g) →2 HCI (g) AICI3 (s) AH = -74.8 kJ/mole AH = -1845. kJ → AIC13 (aq) AH = -323. kJ/mole
Transcribed Image Text:C2H4 (9) + H2 (9) - C2H8 (9) AH - Learning Task 4: Show your solution. 1. Calculate AH for the reaction 4 NH3 (g) +5 02 (g)4 NO (g) + 6 H2O (g), from the following data. AH = -180.5 kJ N2 (g) + 02 (g) →2 NO (g) N2 (g) +3 H2 (g)→2 NH3 (g) 2 H2 (g) + 02 (g)→2 H2O (g) AH = -91.8 kJ AH = -483.6 kJ 2. Find OH° for the reaction 2H2(g) + 2C(s) + 02(g) C2H5OH(I), using the following thermochemical data. C2H5OH (I) +2 02 (g)→2 CO2 (g) + 2 H20 (1) C (s) + 02 (g) → CO2 (g) H2 (g) + 2 02 (g) → H2O (1) AH = -875 kJ AH = -394.51 kJ AH = -285.8 kJ HCN (g) + 3 H2 (g), given: AH = -91.8 kJ 3. Calculate AH for the reaction CH4 (g) + NH3 (g) N2 (g) +3 H2 (g) →2 NH3 (g) C (s) + 2 H2 (g)→ CH4 (g) H2 (g) + 2 C (s) + N2 (g) → 2 HCN (g) AH = +270.3 kJ AH = -74.9 kJ 4. Calculate DH for the reaction 2 Al (s) + 3 C12 (g)2 AICI3 (s) from the following data. 2 Al (s) + 6 HCI (aq) 2 AICI3 (aq) + 3 H2 (g) AH = -1049. kJ HCI (g) HCI (aq) H2 (g) + C12 (g) →2 HCI (g) AICI3 (s) AH = -74.8 kJ/mole AH = -1845. kJ → AIC13 (aq) AH = -323. kJ/mole
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