Part A Click the AH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed. The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, AH, is an extensive property. Using this property, calculate the change in enthalpy for Reaction 2. Reaction 1: C3HS(g) + 502(g)→3CO2(g) +4H20(g), AĦ1 = -2043 kJ Reaction 2: 5C, Hs(g) +2502(g)→15CO2(g) + 20H2O(g), AH2 =? Express your answer to four significant figures and include the appropriate units. • View Available Hint(s) HA ? AH = Value kJ

Part A Click the AH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed. The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, AH, is an extensive property. Using this property, calculate the change in enthalpy for Reaction 2. Reaction 1: C3HS(g) + 502(g)→3CO2(g) +4H20(g), AĦ1 = -2043 kJ Reaction 2: 5C, Hs(g) +2502(g)→15CO2(g) + 20H2O(g), AH2 =? Express your answer to four significant figures and include the appropriate units. • View Available Hint(s) HA ? AH = Value kJ

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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Direction: Use Hess' Law in determining the change in enthalpy of the chemical reaction. Follow the steps that you have learned in this module. Use a separate sheet in writing your answer. and Calculate the standard enthalpy of formation, AH° for NO23), produced from NO(g) O(g) according to the following reaction: NO(g)+ O(g) NO28) Reactions: NO() + O3 (g) NO2 (2) + O2 (g) AH° = -198.9 kJ 03 3/2 O2 (g) AH° = -142.3 kJ (g) 20 AH° = 495.0 kJ O2 (g) (g) NO NO2 (g) ΔΗ +0 (g)→ (g)
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Part A Open the activity depicting Hess's Law. N:(g) + 0:(g) → 2NOg AH is an Extensive Property N: ( +0:(g) → NO(g) AH is an Extensive Property Click the button within the activity, and analyze the relationship between the two reactions that are displayed. The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, AH, is an extensive property. Using this property, calculate the change in enthalpy for Reaction 2. AH Canges sign when a process is revTsed 2NO2) > N:(g) + 0: (g Reaction 1: C3 Hs(g)+ 502 (g)→3CO2 (g) + 4H2O(g), AH1 = -2043 kJ Hess's Law of Constant Heat Sumnation + N: (g) +0: (g) → deg Reaction 2: 5C3 Hs(g) +25O2(g)→15CO2(g) +20H,O(g), AH2 =? When two reactions are added together. the individual reaction enthalpies are summed. Notice that equal quantities of the same species, on both sides of the reaction arrow, cancel. NQg) +0: g) → NO: (g) Express your answer to four significant figures and include the…
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Using Enthalpies of formation provided on the exam determine the change in enthalpy (kJ/mol) for the following reaction. Do not type units into your answer. CH4(g) + 2 O2(g) ⟶⟶ CO2(g) + 2 H2O(l) Δ?=?ΔH=?