7- Given the following data: AG --51 kJ 2H: (g) + C (s) → CHa (g) 2H2 (g) + O: (g) - 2H:0 (1) C (s) + 02 (g) → CO: (g) Calculate AG° for CH4 (g) + 202 (g)CO2 (g) + 2H;0 (). AG-474 kJ AG°--394 kJ

7- Given the following data: AG --51 kJ 2H: (g) + C (s) → CHa (g) 2H2 (g) + O: (g) - 2H:0 (1) C (s) + 02 (g) → CO: (g) Calculate AG° for CH4 (g) + 202 (g)CO2 (g) + 2H;0 (). AG-474 kJ AG°--394 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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16
The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid phthalic acid, C8H6O4(s), is determined to be -3209.0 kJ mol-1. What is the Hf° of C8H6O4(s) based on this value? Use the following data: Hf° H2O () = -285.83 kJ mol-1 ; Hf° CO2(g) = -393.51 kJ mol-1
Calculate the AH° for the following reaction using the information below it. C(s) + CH,(g) + H2(g) C(s) + 2 H2(g) 2 CH,(g) C,H,(g); CH4(g); C,H(g) + H2(g); AF = 65 kJ AH = ? AH = -75 kJ O A. 140 kJ O B. -85 kJ OC. -140 kJ O D. 10 kJ O E. -10 kJ
11 Calculate the AG in kJ of the following reaction: NO2 (g) + SO2 (g) --> NO (g) + SO3 (g) Given the following data: AG° (NO2) = 52.95 kJ/mol AG° (SO2) = 82.93 kJ/mol AG° (NO) = -301.25 kJ/mol AG° (SO3) = -380.08 kJ/mol %3D Do not put a unit in your answer. Report your answer with 1 place past the decimal point. Do not use scientific notation. Type your answer..
Given the reactions, X(s) + 1/2O₂(g) XCO₂ (s) XO(s) XO(s) + CO₂(g) what is AH for this reaction? X(s) + 1/2O₂(g) + CO₂(g) AH = -763.1 kJ AH = +159.3 kJ XCO3(s)
Calculate ΔH for the reaction (1) 2C (s, graphite) + H2(g) --> C2H2(g). given the following chemical equations and their respective enthalpy changes: (2) C2H2 + 5/2 O2(g) ---> 2CO2(g)+H2O(l) ΔH = -1299.6 KJ/mol (3) C(s, graphite) + O2(g) --> CO2(g) ΔH = -393.5 KJ/mol (4) H2 (g) + 1/2 O2(g) --> H2O(l) ΔH = -285.8 KJ/mol
(2) Given: compound DH°, (KJ/mol) H,O,(1) - 187.7 H,O(1) - 285.5 (a) Calculate the standard heat of reaction, (H°rexn. for 2 H,O,(1) ----> 2 H,O(1) + 0,(g), (b) Use IG° = DH° -TIIS° to predict whether the above reaction will be spontaneous or nonspontaneous at standard state.
Please answer question 12 part A
Given the following data: C2H2(g) + 5/2 O2(g) ->2CO2(g) + H2O(l) △H=-1300. kJ C(s) + O2(g) -> CO2(g) △H= -394kJ H2(g) + 1/2 O2(g) -> H2O(l) △H= -286 Calculate △H for the reaction 2C(s) + H2(g) -> C2H2(g)
Using the following equations, N,0(g)– 2NO2(g) AH° = +57.93 kJ 2NO(g) + O(g) 2NO,(g) AH° = -113.14 kJ %3D calculate the AH° for the following reaction: 2NO(g) + O2(g)– N,0,(g) AH° = kJ
Compound SO; (g) SO₂ (g) NH3 (g) NO (g) H₂O (9) Consider the following reaction at 25 °C: 5 SO3(g) + 2 NH³(g) → 2 NO(g) + 5 SO₂(g) + 3 H₂O(g) Given the information in the table, calculate AH° for the reaction. AHf (kJ/mol) -396 -297 -46 90.4 -241.8 Sf (J/mol-K) 256 248 192.5 210.6 188.7
Calculate AH for the following reaction: IXI C(s) +H,0(g)→Co(g) - H, (3) Use the following reactions and given AH values: C(s) + O2 (g)→CO, (g), AH- 393.5 kJ 20(g) + 02 (g)→2CO2(g), AH = -566.0 kJ 2H2 (g) + O2 (g)→2H2O(g). AH = -483.6 kJ Express your answer using four significant figures.