Use average bond energies to estimate delta H for the following reaction: CH4(g) + 2O2(g) ----> CO2(g) + 2H2O(g) ANSWER MUST BE IN KJ.

Draw a complete enthalpy diagram for the following reaction: 2Na,O6) - 178 kJ ANa) ΔΗ: -> 2(3)

Predict the enthalpy change for the reaction below, by combining reactions A-C.   NO (g) + O (g)NO2 (g) ΔH=??   A. O3 (g)  3/2 O2 (g) ΔH=-142.3 kJ/mole B. O2 (g)  2 O (g) ΔH=495.0 kJ/mole C. NO (g) + O3 (g)  NO2 (g) + O2 (g) ΔH=-198.9 kJ/mole

Which of the following pairs of atoms would produce a polar covalent bond? The following reference item may be helpful to you in determining the correct answer but should not be necessary: H 2.1 2323232-27559 228954585558 1.0 1.5 Be Na Mg 1.2 Cs Ce 1.1 Ba La 0.9 1.1 Ra Ac 0.7 0.7 1.1 Ca Sc Ti V 1.0 1.3 1.5 1.6 Sr Y 1.0 1.2 Electronegativity values of the elements (Pauling scale) B с 2.0 2.5 Al Si P 1.5 1.8 2.1 Cr Mn Fe 1.6 1.5 1.8 Zr Nb Mo 1.4 1.6 1.8 Tc Ru 1.9 2.2 Hf Ta W Re 1.3 1.5 1.7 1.9 Th Pa U Np 1.3 1.5 1.7 1.3 Pr Nd Pm Sm Eu Gd Tb 1.1 1.1 1.1 Os 2.2 carbon (C) and carbon (C) carbon (C) and hydrogen (H) carbon (C) and fluorine (F) carbon (C) and silicon (Si) 8962-2 Co 1.8 Rh 1.1 1.1 1.1 1.1 1.1 Pu Am Cm Bk 1.3 1.3 1.3 1.3 Ni Cu Zn 1.8 ZORNEN 2 Pd Ag Cd In Sn Sb Pt Au Hg Ti Pb Dy Ho Er Tm Yb 1.1 1.1 1.1 Cf Es Fm 1.3 Ga Ge As 1.9 1.6 1.6 1.8 2.0 2.4 2.2 2.4 1.9 1.8 1.8 1.9 1525 Md No 1.3 1.3 1.3 1.3 N 3.0 Lu 2.2 1.9 1.7 1.7 1.8 1.9 2.1 UN 1.1 1.2 0 Lr 3.5 S 2.5 Se Te Bi Po 2.0…

Calculate the heat of reaction AH for the following reaction: 2 CH₂(g) + 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. kJ mol olo Data For example, life of all No ToT walei. [-] Bond energies bond H-H H-F H-CI H-Br H-I H-C H-O H-N H-P H-S bond C-H energy (kJ/mol) 436 570 431 366 298 413 497 391 351 381 energy (kJ/mol) 413 bond O-H O-F O-CI O-Br O-I O-C O=C O=C 0-0 0=0 O-N O=N O=S bond N-H energy (kJ/mol) 497 215 234 210 213 385 532 1077 210 498 206 631 551 energy (kJ/mol) 391 bond F-F F-CI F-Br F-I CI-CI Cl-Br Cl-I Br-Br Br-I I-I bond S-H energy (kJ/mol) 159 261 280 272 243 219 211 194 179 152 energy (kJ/mol) 381

Please answer question 2

Use the bond dissociation energies provided to calculate the detla H (in kilojoules) for the combustion of ethylene gas according to the balanced equation provided: C2H4 (g) + 3 O2 (g) equals 2 CO2 (g) + 2 H2O (g)

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

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

I need help calculating the enthalpy of the reaction given, draw a lewis dot structure and to also if the reaction is endothermic or exothermic.