The table below lists the average bond energies that you would need to determine reaction enthalpies. Bond Bond energy (kJ/mol) Bond Bond energy (kJ/mol) C-C 347 C-H 414 H-H 436 C-O 360 N=O 631 N-H 389 O=0 498 O-H 464 Use bond energies to calculate AHrxn for the following reaction: 2 NO (g) + 5 H2 (g) → 2 NH3 (g) + 2 H20 (g) Enter your answer numerically, in terms of kJ and to three significant figures.

The table below lists the average bond energies that you would need to determine reaction enthalpies. Bond Bond energy (kJ/mol) Bond Bond energy (kJ/mol) C-C 347 C-H 414 H-H 436 C-O 360 N=O 631 N-H 389 O=0 498 O-H 464 Use bond energies to calculate AHrxn for the following reaction: 2 NO (g) + 5 H2 (g) → 2 NH3 (g) + 2 H20 (g) Enter your answer numerically, in terms of kJ and to three significant figures.

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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Using bond enthalpies in the table, estimate AH for the following gas-phase reactions. Average Bond Enthalpies (kJ/mol) Single Bonds C-H C-C C-N C-O C-F C-Cl C-Br C-I C-S 413 |N-H 348 |N-N 293 N-O 358 |N-F 485 |N-Cl 328 N-Br 243 276 240 259 CH–C1 242 193 Br-Br Multiple Bonds C=C C=C C=N C=N 614 839 615 391 O-H 0-0 163 201 O-F 272 O-Cl 200 O-I 201 463 146 190 203 234 339 H-H S-H 436 S-F 567 S-Cl 327 253 H-F H-Cl 431 S-Br 218 H-Br 366 S-S 266 H-I 299 |N=N 418 0=0 |N=N 941 |N=O 607 495 Part C Estimate AH for the reaction. Express your answer using one significant figure. AH = Submit —| ΑΣΦ Provide Feedback H H-N-N-H+CI-CI-2 H-N-CI -H+C₁_a_ Previous Answers Request Answer HH X Incorrect; Try Again; 3 attempts remaining ? kJ
Consider the following Lewis structure and table of bond energies. What is the total sum of the bond energies in this molecule? Em H- :O: -C Ö-H H-H 436 H-F 569 H-Cl 432 H-Br 366 H-I 298 Table of Average Bond Energies (kJ/mole) C-H 410 C-C 350 C-N 300 C- O 350 C -F 450 C-Cl 330 C-Br 270 CII 240 N H N N 390 240 N-F 270 NCI 200 N-Br 240 200 N O 460 142 -F 180 200 220 01H 010 O O Cl 011 F-F 157 F-CI 251 F-Br 234 Cl-Cl Cl-Br Br-Br 1-1 1-Br -Cl 1 I-F 243 219 194 153 179 208 280 C=C C=0 C=N C-S 010 N=N N=0 C C C=0 CEN NEN 611 745 615 477 498 418 607 835 1077 891 941
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Part A Use bond enthalpies in the table below to estimate AH for each of the following reactions, Average bond enthalpy (kJ/mol) Br Br C-H: 413 N-H: 391 0-H: 463 F-F: 155 Br-C-H + Cl- Cl → Br-C-CI + Cl–H C-C: 348 N-N: 163 0-0: 146 Br Br C=C: 614 N-O: 201 0=O: 495 Cl-F: 253 C-N: 293 N-F: 272 0-F: 190 Cl-Cl: 242 Express your answer in kilojoules to three significant figures. C-0: 358 N-Cl: 200 0-Cl: 203 Br-F: 237 234 Br-Cl: 218 C=0: 799 N-Br: 243 0-I: C-F: 485 H-H: 436 Br-Br: 193 να Αφ C-Cl: 328 H-F: 567 AH = kJ C-Br: 276 H-Cl: 431 I-Cl: 208 C-I: 240 H-Br: 366 I-Br: 175 Submit Request Answer H-I: 299 I-I: 151
Use the bond energies provided for the question