Problem 9.57 Used in welding metals, the reaction of acetylene with oxygen has AH = -1256.2 kJ C2 H2(g) +5/202(g) → H₂O(g) +2CO₂(g) ΔH = -1256.2 kJ. ▼ Part A w= 0.261 kJ How much PV work is done in kilojoules for the reaction of 6.00 g of acetylene at atmospheric pressure if the volume change is -2.58 L? Submit ✓ Correct Part B What is the value of AE in kilojoules for the reaction? ΔΕΞ Previous Answers Submit Y LG ΑΣΦ 4 1256.0 BARN Previous Answers Request Answer ? 35 of 47 kJ Review I Constants | Periodic Table

Problem 9.57 Used in welding metals, the reaction of acetylene with oxygen has AH = -1256.2 kJ C2 H2(g) +5/202(g) → H₂O(g) +2CO₂(g) ΔH = -1256.2 kJ. ▼ Part A w= 0.261 kJ How much PV work is done in kilojoules for the reaction of 6.00 g of acetylene at atmospheric pressure if the volume change is -2.58 L? Submit ✓ Correct Part B What is the value of AE in kilojoules for the reaction? ΔΕΞ Previous Answers Submit Y LG ΑΣΦ 4 1256.0 BARN Previous Answers Request Answer ? 35 of 47 kJ Review I Constants | Periodic Table

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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Thermochemistry and Stoichiometry
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Calculate the standard enthalpy for the below reaction (in kJ) using the standard enthalpies of formation provided: Reaction: 5 A + 3 B ⟶⟶ 7 C + 3 D Standard enthalpies of formation, ΔH°f (in kJ/mol) are: A: ‑15.7 B: ‑86.4 C: ‑52.7 D: ‑71.6
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