Cles [References] TUTOR Predicting Enthalpy of Reaction Using Bond Energies Use the References to access important values if needed for this question. Use average bond enthalpies (linked above) to calculate the enthalpy change for the following gas-phase reaction. 2H2(g) + O2(g) →→→2H2O(g) To analyze the reaction, first draw (on paper) Lewis structures for all reactant and product molecules. AHreaction Submit kl Show Approach Show Tutor Steps Submit Answer Try Another Version 10 item attempts remaining

Cles [References] TUTOR Predicting Enthalpy of Reaction Using Bond Energies Use the References to access important values if needed for this question. Use average bond enthalpies (linked above) to calculate the enthalpy change for the following gas-phase reaction. 2H2(g) + O2(g) →→→2H2O(g) To analyze the reaction, first draw (on paper) Lewis structures for all reactant and product molecules. AHreaction Submit kl Show Approach Show Tutor Steps Submit Answer Try Another Version 10 item attempts remaining

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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a) Using the balanced equation and the data in the table below, calculate the theoretical enthalpy of combustion. Note: you will need to include the enthalpy of vaporisation for the liquid components which are also given. CH3OH() +1.502(g) → CO2(g) + 2H2O (1) Average Bond Enthalpies (kJ mol‍¹) C-H C-C C-O O=O C=O O-H Enthalpy of Vaporisation (kJ mol-¹) Methanol Water 412 348 358 496 743 463 35 41
Given reaction A + 2B-3C+4D with following standard enthalpies of formation AH:A-10.0 kJ/mol, B-5.0 kJ/mol, C-2.0 kJ/mol, D-12.0 kJ/mol. What is the enthalpy change if 2 moles of B are used in the reaction? O - 68.0 kJ O 68.0 kJ O 34.0 kJ O-34.0 kJ
Question 7. Use the bond energies provided to estimate ΔH°rxn for the reaction below. CH3OH(l) + 2 O2(g) → CO2(g) + 2 H2O(g) ΔH°rxn = ? Bond Bond Energy (kJ/mol) C-H 410 C-O 359 C=O 799 O=O 498 O-H 454
Calculate the approximate enthalpy of the following reaction using the data below. 12 "C" atoms joined together in a cyclic (circular) structure with as many Hs connected so that each C atom has 4 bonds in total added to as many 02 atoms (which is O double bonded to another O) as would be required to react gives CO₂ which is a C double bonded to two O atoms and water which is O single bonded to 2 "H" atoms. This reaction needs to be balanced. Data for bond energies in kJ/mol : C single bond C is 347. C single bond H is 414. C double bond O is 736. O double bond O is 498. O single bond H is 464. The Correct answer is -5,736 Can someone explain how can I get to this answer with the steps.
Use average bond enthalpies (linked above) to calculate the enthalpy change for the following gas-phase reaction. C2H4(g) + Br2(g) CH,BRCH,Br(g) To analyze the reaction, first draw Lewis structures for all reactant and product molecules. • Include all valence lone pairs in your answer. • Draw the reaction using separate sketchers for each species. One molecule per sketcher, please. Separate multiple reactants and/or products using the + sign from the drop-down arrow. Separate reactants from products using the If you have to draw H,, draw H-H. • Be sure that your structural equation is balanced. symbol from the drop-down menu.
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Using the table of bond enthalpies in your textbook, predict ArH for the following reaction. Express your answer in kJ/mol. HCECH + 2 H2 → H3C-CH3
What is the enthalpy of reaction for the following reaction: 2H₂O(g) → 2H₂(g) + O₂(g) Bond H-H O=O H-O Bond energy (kJ/mol) 436 499 460 VE ΑΣΦ ? kJ/mol
Calculate the enthalpy of reaction for the combustion reaction (in kJ/mol) shown below. Enter your answer without units. ннно: •. Н-С-С—С—С-Ӧ—Н + 50=0 4 0=c=o° + 4 Н—0—Н ннн Average Bond Energy Bond (kJ/mol) H-H 436 H-C 414 H-O 464 C-C 347 C=C 611 C-0 360 C=O 799 0-0 142 O=0 498 If you cannot see the images above,then click here
Use the data below to calculate the bond energy for a C-F bond in kJ/mol. Bond Energy (kJ/mol) С-Н 413 H-F 567 С-С 347 H-CI .431 F-F 159 H-Br 364 Cl-CI 243 H-I 297. Br-Br 193 I-I 151 The reaction shown below has AH = -3372 kJ as written C2H6lg) + 7 F2(g) → 2 CF4(g) + 6 HFig) In C2H6 each C makes 3 bonds with H and 1 bond with C 485 kJ/mol O 489 kJ/mol O -503 kJ/mol O none of the answers are correct
General Chemistry 4th Edition McQuarrie • Rock Gallogly University Science Books presented by Macmillan Learning Bond kJ . mol-1 Bond kJ · mol-1 Use the molar bond enthalpy data in the table to estimate the value of AHan for the equation. 0-H 464 C=N 890 0-0 142 N-H 390 NH, (g) + 20,(g) → HNO,(g) + H,O(g) С-О 351 N-O 201 The bonding in the molecules is shown. O=0 502 N=N 418 C=0 730 N=O 607 H + С-С 347 F-F 155 С-С 615 Cl–Cl 243 C=C 811 Br-Br 192 С-Н 414 Н-Н 435 С-F 439 Н-F 565 C-CI 331 H-C1 431 С-Br 276 H-Br 368 С-N 293 H-S 364 C=N 615 S-S 225 kJ-mol-! Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemsitry | Publisher: Universi