9. Using the table of bond dissociation energies in your textbook, estimate the heat of reaction...
= OTHER O THERMOCHEMISTRY Calculating the heat of reaction from bond energies Calculate the heat of reaction AH for the following reaction: CH4(9) + 202(9) CO2(g) + 2 H2O(g) You can find a table of bond energies by using the Data butt Round your answer to the nearest kJ/mol. XI ?
Calculate AH® for the reaction using the given bond dissociation energies. CH, (g) +202(9) — CO2(g) + 2 H2O(g) Bond AH° (kJ/mol) 0-0 | 142 H-0 459 C-H 411 C=0 799 O=0 498 C-0 358 This reaction is kJ/mol AH° = O endothermic. O exothermic.
Use bond energies from this table to estimate the heat of
reaction for the following process:
4. Use bond energies from this table to estimate the heat of reaction for the following process: HH н C= C + Cl - H- C- C-H CICI Some Bond Energies (kJ/mol) Н-Н O=O • Diatomic molecules (actual values) 432.0 Cl-ci 240.0 C=0 1071 493.6 Other bonds (avg. values) C-C 345 C=C 615 C=C 835 C-N 305 CEN 615 C=N 890 C-H 415 C=O...
13. (12 pts) Using the following bond dissociation energies, estimate the enthalpy of the reaction for the reaction between acetylene and hydroiodic acid to generate 1,2-diiodoethane. нн H-CEC-H 2 H- Bond Bond Enthalpy (kJ/mol) Bond Bond Enthalpy (kJ/mol) 839 C-H 413 С-С сс 348 C-I 240 Н-1 299 7
Name: Quiz 9 CHE 1030 1. Using the following bond energies Bond Energy (kJ/mol) 839 413 495 799 467 Bond C-H O-0 C-O O-H estimate the heat of combustion for 1 mol of acetylene: C2H2(g)+ O2(g) → 2CO2(g)+H2O(g) 2. Using the following data reactions: H2(g) + Cl2(g) → 2HCl(g) H2(g) → 2H(g) Cl2(g) 2CIg) AP (kJ) -184 432 239 calculate the energy of an H-Cl bond.
1a. Using bond dissociation energies, calculate the heat of
reaction (ΔH) for the reaction
shown below. Show all your work and provide a reference for where
you got your bond
dissociation energy values.
1b. Is this reaction endothermic or exothermic? Explain. Provide
energy diagrams
showing the two processes. Circle the one that corresponds to this
reaction. Label the axis
appropriately as well as the activation energy (Ea).
la. Using bond dissociation energies, calculate the heat of reaction (AH) for the...
Which of the following statements are FALSE, given the following bond dissociation energies? Assume that bond energies accurately determine heats of reaction. Check all that are false. BE[H-H] = 436 kJ/mol BE[H-N] = 393 kJ/mol BE[H-O] = 460 kJ/mol BE[O=O] = 499 kJ/mol 1. NH(g) + H2(g) ---> NH2(g) + H(g) is an exothermic reaction. 2.ΔH°f[H(g)] = 218 kJ/mol 3. ΔH°[H2O(g) ---> 2 H(g) + O(g)] = 920 kJ/mol 4. An H-H bond is stronger than an H-O bond. 5....
Alkane halogenation is a two-step reaction, as shown below. Using the table of bond dissociation energies, calculate the enthalpy of each step and the enthalpy of the overall reaction. Bond Dissociation Energies (for A-B rightarrow A middot + middot B)
8. Using the table of bond energies in your textbook, calculate the change in energy for the given reaction. Label each as either exothermic or endothermic a. C2Ho (g) 02(g)>CO2(g) +H20 (g) b. H2 (g) 02(g) H202 (g) c. 2 BrCl (g) -> Br2 (g) + Cl2 (g) d. 3 H2 (g) +N2 (g) -> 2 NHs (g)
OTHERMOCHEMISTRY Calculating the heat of reaction from bond energies Calculate the heat of reaction AH for the following reaction: CCI (9) + H (9) CHC12(g) + HC1(9) 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. X 6 mol