The standard molar enthalpy change AH°= -3135 kJ for the combustion of benzene.CH(1)+15/2 O2{9) → 6 CO,(g)+3 H,0(g) AH°= -3135 kJCalculate the standard molar enthalpy of formation for benzene AH°F[CH 0)] based on thefollowing standard enthalpies of formation: AH°f[CO,(g)] = -393.5 kJ/mol and AH°F[H,0(g)]=-241.8 kJ/mol.Select one:a. -7670 kJ/molb. -3230 kJ/molC 783 kJ/mold. +49 kJ/molNext pacPrevious page

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The standard molar enthalpy change AH°= -3135 kJ for the combustion of benzene. CH(1)+15/2 0,2(9) →6 CO,(g)+3 H,0(g) AHº= -3135 kJ Calculate the standard molar enthalpy of formation for benzene AH°F[CH,(1)] based on the following standard enthalpies of formation: AH°ƒ[C0,(g)] = -393.5 kJ/mol and AH°F[H,0(g)] =-241.8 kJ/mol. %3D Select one: a. -7670 kJ/mol b. -3230 kJ/mol C. -783 kJ/mol d. +49 kJ/mol Next pac Previous page

The standard molar enthalpy change AH°= -3135 kJ for the combustion of benzene. CH(1)+15/2 0,2(9) →6 CO,(g)+3 H,0(g) AHº= -3135 kJ Calculate the standard molar enthalpy of formation for benzene AH°F[CH,(1)] based on the following standard enthalpies of formation: AH°ƒ[C0,(g)] = -393.5 kJ/mol and AH°F[H,0(g)] =-241.8 kJ/mol. %3D Select one: a. -7670 kJ/mol b. -3230 kJ/mol C. -783 kJ/mol d. +49 kJ/mol Next pac Previous page

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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When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is released. For this reason, it is often used as a fuel in high performance racing cars. The combustion of methanol has the balanced, thermochemical equation CH, OH(g) + 0,(g) → CO,(g) + 2 H,O(1) ΔΗ --764 kJ How much methanol, in grams, must be burned to produce 837 kJ of heat?
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
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[Review Topics] [References] Use the References to access important values if needed for this question. Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O2(g) → 2PbO(s) (2) Pb(s) + Cl2 (g) → PbCl₂ (s) AH° what is the standard enthalpy change for the reaction: (3) 2PbCl2 (s) + O2(g) → 2PbO(s) + 2Cl2 (g) AH° = ? Submit Answer AH-434.6 kJ AH = -359.4 kJ kJ Retry Entire Group 9 more group attempts remaining
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The standard molar enthalpy change AH°= -3135 kJ for the combustion of benzene. CH,(1)+15/2 0,(9) → 6 Co,(g)+3 H,0(g) AH°= -3135 k) Calculate the standard molar enthalpy of formation for benzene AH°F[C,H,(1)] based on the following standard enthalpies of formation: AH°F[CO,(g)] = -393.5 kl/mol and AH°F[H,O(g)] =-241.8 kJ/mol. Select one: a. -783 kJ/mol b. -3230 kJ/mol c. +49 kJ/mol d. -7670 k)/mol
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