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MMLU-Pro / 11586 / Using the bond energy table below, determine the enthalpy - - ofethane at STP.…

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question

Using the bond energy table below, determine the enthalpy - - ofethane at STP. Assume that the enthalpy of solid carbon andH_2 gas is zero under these conditions. BOND ENERGIES IN KCAL/G MOLE Bond Energy Bond Energy H-H 104.2 H-I 71.4 C-C 83.1 C-N 69.7 Cl-Cl 58.0 C-O 84.0 Br-Br 46.1 C-Cl 78.5 I-I 36.1 C-Br 65.9 C-H 98.8 C-I 57.4 N-H 93.4 O-O 33.2 O-H 110.6 N\equivN 226 H-Cl 103.2 C=C 147 H-Br 87.5 C\equivC 194

category

engineering

options

  1. 254.1 kcal
  2. 532.7 kcal
  3. 656 kcal
  4. 589.3 kcal
  5. 420.8 kcal
  6. 128.2 kcal
  7. 712.5 kcal
  8. -19.9 kcal
  9. 675.9 kcal
  10. 343.4 kcal

src

stemez-Thermodynamics

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