Calculate the heat of reaction AH for the following reaction: 2 NH3(g) N₂(g) + 3 H₂(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. al Data 0 kJ mol + [-] Bond energies

Calculate the heat of reaction AH for the following reaction: 2 NH3(g) N₂(g) + 3 H₂(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. al Data 0 kJ mol + [-] Bond energies

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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Predict the enthalpy change for the reaction below using the thermochemical equations provided. 2 C2H2 + 5 O2 --> 4 CO2 + 2 H2O 4 C + 2 H2 --> 2 C2H2 Δ Hrxn = + 226.7 kJ/mol C + O2 --> CO2 Δ Hrxn = - 393.5 kJ/mol 2 H2 + O2 --> 2 H2O Δ Hrxn = - 571.6 kJ/mol Group of answer choices -2372 kJ/mol -1192 kJ/mol -1919 kJ/mol -738.4 kJ/mol
Calculate the heat of the following reaction from the given bond energies. Give the answer to 3 significant figures. 2CH3CH3+7O2⟶4CO2+6H2O2CH3CH3+7O2⟶4CO2+6H2O Bond Energies C-H: 349 C-C: 270 O=O: 592 C=O: 695 O-H: 313
Calculate the heat of reaction AH for the following reaction: 2 CH4(9) + 30₂(g) 2 CO(g) + 4H₂O(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. 0 kJ mol X Ś
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 reaction: NH3(g) + Cl2(g) → NH₂Cl(g) + HCl(g) Compute AH*rxn for the reaction of 100 mol of NH3(g) in excess chlorine using the bond enthalpy data in the table below. Average Bond Enthalpy (kJ/mol) 389 243 202 432 +200 kJ +20 kJ -200 kJ O -20 kJ N-H CI-CI N-CI H-CI
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
113 kJ of heat is absorbed when one mole of carbon reacts with one mole of water. Energy + C + H2O → CO + H2 According to the reaction above it can be concluded that the reaction is a endothermic, because the change of enthalpy was negative b exothermic, because the change of enthalpy was negative c exothermic, because the change of enthalpy was positive d endothermic, because the change of enthalpy was positive
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
Calculating the heat of reaction from bond energies Calculate the heat of reaction AH for the following reaction: 2 H₂(g) + O₂(g) → 2 H₂O(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. kJ mol X 1/5
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
[References] The combustion of 0.1586 g benzoic acid increases the temperature of a bomb calorimeter by 2.50°C. Calculate the heat capacity of this calorimeter. (The energy released by combustion of benzoic acid is 26.42 kJ/g.) Heat capacity kJ/°C A 0.2113-g sample of vanillin (C8H3 O3) is then burned in the same calorimeter, and the temperature increases by 3.29°C. What is the energy of combustion per gram of vanillin? Energy kJ/g Per mole of vanillin? Energy kJ/mol Submit Answer Try Another Version 3 item attempts remaining