b Answered: E Enthalpy - Chemistry X 101 Chem101 app.101edu.co Submit Question 22 of 29 Using the equations 2 C6H6 (1) + 15 O2 (g) C (s) + O2 (g) → CO2 (g) AH° = -393.5 kJ/mol 2 H2 (g) + O2 (g) → 2 H2O (g) AH° = -483.6 kJ/mol Determine the enthalpy for the reaction 6 C (s) + 3 H2 (g) → C6H6 (1). → 12 CO2 (g) + 6 H2O (g)AH° = -6271 kJ/mol kJ/mol 1 3 4 9. +/- x 100 8:49 PM O Type here to search 3. 12/8/2019 LO 00

b Answered: E Enthalpy - Chemistry X 101 Chem101 app.101edu.co Submit Question 22 of 29 Using the equations 2 C6H6 (1) + 15 O2 (g) C (s) + O2 (g) → CO2 (g) AH° = -393.5 kJ/mol 2 H2 (g) + O2 (g) → 2 H2O (g) AH° = -483.6 kJ/mol Determine the enthalpy for the reaction 6 C (s) + 3 H2 (g) → C6H6 (1). → 12 CO2 (g) + 6 H2O (g)AH° = -6271 kJ/mol kJ/mol 1 3 4 9. +/- x 100 8:49 PM O Type here to search 3. 12/8/2019 LO 00

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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Use Hess's Law to calculate the enthalpy for this reaction: 4SO3(g) → 4S(s) + 602(g) AH° ??? kJ !! rxn Given the following thermochemical equations: SO2(g)→ S(s) + O2{g) AH° = +296.8 kJ 2SO2(g) + O2(g) → 2SO3(g) AH° = -197.8 kJ
2. จงหาค่า AH ของปฏิกิริยานี้ จากข้อมูลที่กำหนดให้ 2C (s) + 2 H,0 (g) → CH, (g) + CO,(g) Determine the standard enthalpy change for this reaction from the following standard enthalpies of reaction: (1) C(s) + H,O (g) → CÓ (g) + H, (g) AH° = 131.3kJ (2) CO (g) + H2O (g) → CO2 (g) + H2 (g) ΔΗΟ = -41.2 kJ (3) CH, (g) + H,O (g) → 3H, (g) + CO (g) AH° = 206.1kJ ชื่อ-สกุล .วันที่ เลขที่ เรหัส.. (0202104) จงหาค่า AH และ As ของปฏิกิริยานี้ จากข้อมูลที่กำหนดให้ 3 ปฏิกิริยาการสังเคราะห์ด้วยแสงเกิดขึ้นดังสมการ 6 CO, (g) + 6 H,0 (1) CH2O6 (S) + 6 0, (g) กำหนดค่าที่สภาวะมาตรฐานของ AH และ S ของสารแต่ละตัว ดังนี้ AH°, (kJ mol-') s° (JK-1 mol-') สาร | CH,206 (s) -1,273 212 O, (g) 205 2/2 CO, (g) -393 214 H,0 (1) -285 70
and 2 Enthalpy #1.30 enoindice pled TT 2010 2D49.bs 22) When 1 mole of Fe2O3(s) reacts with H₂(g) to form Fe(s) and H2O(g) according to the following equation, 98.8 kJ of energy are absorbed. (6 Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H₂O(g) (pp) (20/d4 (pm) $40 D Reaclanis 13:48 SH Products endothermic, A endothermic, B (2) exothermic, A exothermic, B nad W (21 Enthalpy MOMS. Reactants Products (A) (B) Is the reaction endothermic or exothermic, and which of the enthalpy diagrams above represents grow olor and to noin (01 this reaction? SH GH TH A HOMH X HILD 08.10 Page 6 of 8
Given the following thermochemical equations: C2H29) + 5 02(9) 2C02(g) + H201) AH° = -1229.5 kJ AH° = -393.5 kJ C(6) + 02(g) → C02(g) 1 H2(9) +5 02(9) → H20) AH° = -285.5 kJ 2 Calculate the enthalpy (in kJ) for this reaction: 206) + H2(g) → C,H2(9)
Use Hess’s law to calculate the enthalpy change for the reaction WO3(s) + 3H2(g) —> W(s) +3H2O(g) from the following data: 2W(s) + 3O2(g) —> 2 WO3(s) H=-1685.4 2H2(g) + O2(g) —> 2H2O(g) H=-477.84
The enthalpy change for the oxidation of butane, C4H₁0, is measured by calorimetry. C4H10 (g) + 13/2 O2(g) → 4 CO2 (g) +5 H₂O(l) A₂H = -2877.6 kJ/mol-rxn Use this value, along with the standard enthalpies of formation of CO2(g) and H₂O(l) (-393.509 kJ/mol and -285.83 kJ/mol respectively), to calculate the enthalpy of formation of butane, C4H10, in kJ/mol. Enthalpy of formation = Submit Answer OCT 30 Try Another Version tv kJ/mol S4 I all 9 item attempts remaining Cengage Learning | Cengage Technical Support A MacBook Pro 7 ( O 04
Can you please help me with this question
Using standard heats of formation, calculate the standard enthalpy change for the following reaction. 2HBr(g) + Cl₂(g) → 2HCl(g) + Br₂(g) AH (HBr(g)) = -36.3 kJ/mol AH (Cl₂ (9)) = 0.0 kJ/mol AH (HCl(g)) = -92.3 kJ/mol AH (Br₂ (9)) = 30.9 kJ/mol AH rxn = kJ
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（1）Consider the reaction: 2A (g) + 3 B (g) → 2 C (g) ΔHrxn = +254.3 kJ What will be the enthalpy change (in kJ) if 0.471 mol B reacts in excess A? （2）Consider the reaction: C (s) + O2 (g) → CO2 (g) ΔHrxn = -393.5 kJ What mass of carbon (in g) must be reacted via this mechanism to release 581.2 kJ of heat?
For a particular isomer of C8H18, the combustion reaction produces 5093.7 kJ of heat per mole of C8H18(g) consumed, under standard conditions.C8H18(g) +25/2 O2 (g) ⟶ 8CO2(g) + 9H2O(g) ΔH∘rxn =−5093.7 kJ/mol What is the standard enthalpy of formation of this isomer of C8H18(g)?