1. Given: S(s) + O2(g) → SO(g): AH--297 kJ 2 SO(g) - 2 SO:(g) + O2(g); AH-+198 kJ 1 Calculate AH for the reaction 2 S(s) + 3 O:(g) - 2 SO(g) 50₂ = -297 k = +198 ₁5) +/₂19) 256 → 2 50₂(g) + O₂(g) 2$/15) +3,0₂ 19)→ 256,19) = (-1683 k) 250g (g) -1485 + (-198) = -1683 kj -3 Based on the definition of heat of formation, what is the heat of formation of SO(g)?

1. Given: S(s) + O2(g) → SO(g): AH--297 kJ 2 SO(g) - 2 SO:(g) + O2(g); AH-+198 kJ 1 Calculate AH for the reaction 2 S(s) + 3 O:(g) - 2 SO(g) 50₂ = -297 k = +198 ₁5) +/₂19) 256 → 2 50₂(g) + O₂(g) 2$/15) +3,0₂ 19)→ 256,19) = (-1683 k) 250g (g) -1485 + (-198) = -1683 kj -3 Based on the definition of heat of formation, what is the heat of formation of SO(g)?

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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1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 202(g) + 2B(s) → B203(s) AH° =-1264 kJ O3(g) + 2B(s) → B2O3(s) AH° = -1406 kJ determine AH° for the following reaction at 25°C and 1 atm pressure. 203(g) → 302(g)
. Using the table provided, calculate the thermodynamic property of interest for each given reaction. Thermodynamic Data at 25 °C Species AH in kJ/mol AGº in kJ/mol So in J/(mol·K) Cu (s) 33.2 Cu (g) 337.4 297.7 166.4 CuO (s) -157.3 -129.7 42.6 H2 (g) 131.0 H2O (g) -241.8 -228.6 188.7 H2O (€) -285.8 -237.2 69.9 NO (g) 91.3 87.6 210.8 NO2 (g) 33.2 51.3 240.1 N2O4 (E) -19.5 97.5 209.2 N2O4 (g) 9.16 99.8 304.4 O2 (g) 205.0 ) Determine AS° for H2 (g) + ½ O2 (g) → H2O (g) at 25 °C. (ii) Determine AG° for 2 Cu (s) + O2 (g) → 2 CuO (s) at 25 °C. (iii) Determine AH° for H2O (8) → H2O (g) at 100 °C. (iv) Determine AG° for 2 NO2 (g) + N2O4 (g) at 100 °C.
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Question 18 of 25 > Given the reactions, X(s) + 0,(g) –→ XO(s) AH = -562.9 kJ XCO,(s) XO(s) + CO, (g) AH = +447.1 kJ what is AH for this reaction? X(S) + 글0(g) + CO,(g) XCO,(s) ΔΗ- kJ
Given the following Fe,03 (s) + 3 CO (g) →2 Fe (s) + 3 CO2 (g) AG' = - 29.4 kJ 3 Fe203 (s) + Co (g) →2 Fez04 (s) + CO, (g) AG° = -61.6 kJ Calculate AG° for Fez04 (s) + CO (g) → Fe (s) + Fe,03 (s) + CO2 (g)
Calculate AH for the reaction 4 NH3 (g) + 5 02 (g) --> 4 NO (g) + 6 H2O (g), from the following data. N2 (g) + 02 (g) --> 2 NO (g)AHO = -180.5 kJ N2 (g) + 3 H2 (g) --> 2 NH3 (g)AHO = -91.8 kJ 2 H2 (g) + 02 (g) --> 2 H2O (g) AHO = -483.6 kJ *
Given that: AH°F [Fe(OH)3 (s) ] =- 823.0 kJ/mol AH°f [Fe+3 (aq)] = - 48.5 kJ/mol AH°F [OH (aq)] = - 230.0 kJ/mol What is the enthalpy change for the precipitation reaction of Fe(OH)3 (s)? O A.-344.5 kJ/mol O B.-1101.5 kJ/mol Oc-1561.5 kJ/mol -447.5 kJ/mol O D. O E. :- 84.5 kJ/mol
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17. Given the following set of reaction data, AH = -285.83 kJ mol- H2 (g)+}02(8) 2B(s) +3H, (8) 2B(s) +O2(8) –→ B,O3(s) → H2O(1) → B,H, (8) AH = 36.4 kJ mol- AH = –1273.5 kJ mol determine the heat of reaction (in kJ mol') for the following reaction. – B2O3 (s) +3H,0(1) w bns maldorg B,H, (8) + 30, (g) - AH = ? kJ mol-1 lo teari done roi noltaupa 189T) of 9je s beau mo A: –2167
The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3A1(s) + 3NH, Cl0,(8) → Al, O, (s) + AICI; (s) + 3NO(9) + 6H2O(g) Calculate AH° for this reaction. Substance and State AH ° (kJ/mol) Al(s) Al2 O3 (s) AICI3 (s) H2O(g) NO(g) NH, CIO4 (s) -1676 -704 -242 90. -295 AH° = kJ
A chemist measures the enthalpy change AH during the following reaction: COCL,(9) + 4 NH,(g)–+cO(NH,),(s) + 2 NH,Cl(s) AH=-559. kJ Use this information to complete the table below. Round each of your answers to the neare reaction AH co(NH,),(-) + NH,CI(3) - coC, () + 2NH, (2) 3coCI, (3) + 12NH, (3) - 3c0(NH,), (-) + 6NH,CI(s) co(NH,),() + 2NH,C1(«) → COCI, (3) + 4NH, (2) Explanation Check MacBook Air 20 F1 F3 F4 F5 F6 F @ & くC
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