A] Calculate AH° for the reaction C:Hug) + 3 Ozg ² 200xg) + 2H;O The average bond energies of various bonds are: Bond C-H 0 = 0 C =0 0-H C = C Energy 414 499 724 460 619 kJ mol B] Compare the values of AH° obtained by using the enthalpy of formation data: AH [CO:] = -393.5 kJ mol', AHº (H2O(g)] %3D = -241.8 kJ mol', and AH [C2H«] = 52.3 kJ mol'. %3D %3D

A] Calculate AH° for the reaction C:Hug) + 3 Ozg ² 200xg) + 2H;O The average bond energies of various bonds are: Bond C-H 0 = 0 C =0 0-H C = C Energy 414 499 724 460 619 kJ mol B] Compare the values of AH° obtained by using the enthalpy of formation data: AH [CO:] = -393.5 kJ mol', AHº (H2O(g)] %3D = -241.8 kJ mol', and AH [C2H«] = 52.3 kJ mol'. %3D %3D

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...

See similar textbooks

Similar questions

Use the molar bond enthalpy data in the table to estimate the Average molar bond enthalpies. (Huond) value of AHn for the equation Bond kJ . mol Bond kJ. mol- CCI,@) + 2F,(2) – CF,(g) + 2 Cl,(g) 464 O-H C=N 890 0-0 142 N-H 390 The bonding in the molecules is shown. C-0 351 N-N 159 O=0 502 N=N 418 FF C-CI C=0 730 N=N 945 F-F CICI С-С 347 F-F 155 C=C 615 Cl-CI 243 C=C 811 Br-Br 192 С-Н 414 H-H 435 C-F 439 H-F 565 C-CI 331 H-CI 431 C-Br 276 H-Br 368 C-N 293 H-S 364 C=N 615 S-S 225 kJ AHan =
Consider the following reactions: AH = -393.5 kJ (graphite) + 2 AH = -285.8 kJ 2(g) CH,OH + 3/2 0, +2H,0 AH = -726.4 k (1) Choose... Choose... -48.25 Calculate the enthalpy change for the following reaction: 188.7 + 2 H29) CH,OH -37.6 C (graphite) + V½ 0, 10.7 -238.7 39.0 268 11.85 Given the following information: N, bond energy = 941 kJ/mol, F, bond energy = 154 kJ/mol 2 N + 3/2 F AH = -103 kJ/mol 2(g) Choose... Calculate the N-F bond energy (kJ/mol) A ballon originally had a volume of 8.68 L at 258 K and a pressure of 575 mmHg. To what temperature (in K) must the balloon be cooled to reduce its volume to 5.00 L at a pressure of 730 mmHg? Choose... V
Given the following data, calculate the lattice energy of barium chloride, BaCl. IE= 502.7 kJ mol IE = 965.0 kJ mol AHub (Ba) =175.6 kJ moľ" EA = 349.0 kJ mol" BDE (CI - CI) = 243.4 kJ mol AH(BaCl) = -858.6 kJ mol
Use the table below to determine ΔH for the following reactionN 2H 4(g) + H 2O(g) ↔ NH 2OH(g) + NH 3(g) Bond Energies, kJ/mol Single Bonds H C N O S F Cl Br I H 432 C 411 346 N 386 305 167 O 459 358 201 142 S 363 272 --- --- 286 F 565 485 283 190 284 155 Cl 428 327 313 218 255 249 240 Br 362 285 243 201 217 249 216 190 I 295 213 --- 201 --- 278 208 175 149 Multiple Bonds C=C 602 C=N 615 C=O 799 C≡C 835 C≡N 887 C≡O 1072 N=N 418 N=O 607 S=O (in SO2) 532 N≡N 942 O2 494 S=O (in SO3) 469
B + 2C ---> D + E
At 25°C, calculate the AG, N₂+ 3H2 → 2NH3 sys for: f • AG˚ N2(g) = 0 kJ/mol AG H2(g) = 0 kJ/mol f • AG˚ NH3(g) = -16.66 kJ/mol f a) 12.9 kJ b) -33.3 kJ c) -16.7 kJ d) -8.33 kJ e) Unsure AG sys =ΣnpG˚ products - Σn,G° reactants 60
Can you help me?
Consider the following reactions: AH = -393.5 kJ + O2(g) CO 2(9) (graphite) AH = -285.8 k) + V2 O2(g) H2(9) AH = -726.4 k CH,OH + 3/2 0, CO2(9) + 2H,0) (1) Choose... Calculate the enthalpy change for the following reaction: CH;OH) (graphite) + 2 H2(g) + 2 02
A chemist measures the energy change AH during the following reaction: 2 NH;(g) - N(9)+3H,(9) AH=160, kJ Use the information to answer the following questions. O endothermic. This reaction is... O exothermic. Suppose 93.6 g of NH, react. O Yes, absorbed. O Yes, released. Will any heat be released or absorbed? O No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. Explanation Check 02021 McGraw Hill LLC. Al Rights Reserved Terms of Use Pivecy
AfH (298 K) = -859 kJ mol-¹, calculate a value for the lattice energy of BaCl₂. Outline any assumptions that you have made.
Use the bond energies provided to estimate AH°rxn for the reaction below. XeF6 AH°rxn = ? Bond Xe-F F-F XeF2+2F2 Bond Energy (kl/mol) 147 159 O-270 kJ +159 kJ -660 kJ +176 kJ -429 kJ K
16. Use enthalpies of formation given to determine the standard enthalpy of reaction for the following: ed oioege Al2O3 (s) +2 Fe 2 Al (s) + Fe2O3 (s) AH° =??? > AH°r(kJ/mol) -825.5 -1676 17. Use the enthalpies of formation and the enthalpy of reaction given below to determine the enthalpy of formation for solid CaC2. CaC2 (s) + 2 H2O (1) → Ca(OH)2 (s) + C2H2 (g) AH° =-127 kJ AH° (kJ/mol) ??? -286 -986 +227