Calculate \( \Delta H \) for the reaction below using the chart provided. \[ \mathrm{O}_{2}(\mathrm{~g})+\mathrm{H}_{2}(\mathrm{~g}) \longrightarrow \mathrm{H}_{2} \mathrm{O}_{2}(\mathrm{~g}) \] TABLE 9.3 Average Bond Energies \begin{tabular}{lclc} Bond & \begin{tabular}{l} Bond \\ Energy \\ \( (\mathrm{kJ} / \mathrm{mol}) \) \end{tabular} & Bond & \begin{tabular}{l} Bond \\ Energy \\ \( (\mathrm{kJ} / \mathrm{mol}) \) \end{tabular} \\ \( \mathrm{H}-\mathrm{H} \) & 436 & \( \mathrm{~N}-\mathrm{N} \) & 163 \\ \( \mathrm{H}-\mathrm{C} \) & 414 & \( \mathrm{~N}=\mathrm{N} \) & 418 \\ \( \mathrm{H}-\mathrm{N} \) & 389 & \( \mathrm{~N} \equiv \mathrm{N} \) & 946 \\ \( \mathrm{H}-\mathrm{O} \) & 464 & \( \mathrm{~N}-\mathrm{O} \) & 222 \\ \( \mathrm{H}-\mathrm{S} \) & 368 & \( \mathrm{~N}=\mathrm{O} \) & 590 \\ \( \mathrm{H}-\mathrm{F} \) & 565 & \( \mathrm{~N}-\mathrm{F} \) & 272 \\ \( \mathrm{H}-\mathrm{Cl} \) & 431 & \( \mathrm{~N}-\mathrm{Cl} \) & 200 \\ \( \mathrm{H}-\mathrm{Br} \) & 364 & \( \mathrm{~N}-\mathrm{Br} \) & 243 \\ \( \mathrm{H}-\mathrm{I} \) & 297 & \( \mathrm{~N}-\mathrm{I} \) & 159 \\ \( \mathrm{C}-\mathrm{C} \) & 347 & \( 0-\mathrm{C} \) & 142 \\ \( \mathrm{C}=\mathrm{C} \) & 611 & \( 0=0 \) & 498 \\ \( \mathrm{C} \equiv \mathrm{C} \) & 837 & \( 0-\mathrm{F} \) & 190 \\ \( \mathrm{C}-\mathrm{N} \) & 305 & \( 0-\mathrm{Cl} \) & 203 \\ \( \mathrm{C}=\mathrm{N} \) & 615 & \( 0-\mathrm{I} \) & 234 \\ \( \mathrm{C} \equiv \mathrm{N} \) & 891 & \( \mathrm{~F}-\mathrm{F} \) & 159 \\ \( \mathrm{C}-\mathrm{C} \) & 360 & \( \mathrm{Cl}-\mathrm{F} \) & 253 \\ \( \mathrm{C}=\mathrm{O} \) & \( 736^{*} \) & \( \mathrm{Cl}-\mathrm{Cl} \) & 243 \end{tabular}
Added by Deborah W.
Close
Step 1
In this case, we are breaking one \(O=O\) double bond in \(O_2\) and one \(H-H\) single bond in \(H_2\), and forming two \(H-O\) single bonds and one \(O-O\) single bond in \(H_2O_2\). Show more…
Show all steps
Your feedback will help us improve your experience
Shahina - and 78 other Chemistry 101 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Use the molar bond enthalpy data in the table to estimate the value of ΔH°rxn for the equation NH3(g) + 2 O2(g) ⟶ HNO3(g) + H2O(g) The bonding in the molecules is shown. Average molar bond enthalpies. (Hbond) Bond | kJ · mol⁻¹ | Bond | kJ · mol⁻¹ ---|---|---|--- O–H | 464 | C≡N | 890 O–O | 142 | N–H | 390 C–O | 351 | N–O | 201 O=O | 502 | N=N | 418 C=O | 730 | N=O | 607 C–C | 347 | F–F | 155 C=C | 615 | Cl–Cl | 243 C≡C | 811 | Br–Br | 192 C–H | 414 | H–H | 435 C–F | 439 | H–F | 565 C–Cl | 331 | H–Cl | 431 C–Br | 276 | H–Br | 368 C–N | 293 | H–S | 364 C=N | 615 | S–S | 225
David C.
help
Rolly S.
Recommended Textbooks
Chemistry: Structure and Properties
Chemistry The Central Science
Chemistry
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD