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Problem

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question

The hydrogen-filled dirigible "Hindenberg" had a gas volume of 1.4 × 10^8 liters. Assuming that it was filled to a pressure of 1 atm at 0°C, how much energy was released when it burned to gaseous products at a reaction temperature of 25°C? The standard heat of formation of water vapor at 25°C is - 57.8 Kcal/mole.

category

chemistry

options

  1. 300 × 10^6 Kcal
  2. 600 × 10^6 Kcal
  3. 450 × 10^6 Kcal
  4. 540 × 10^6 Kcal
  5. 360 × 10^6 Kcal
  6. 480 × 10^6 Kcal
  7. 240 × 10^6 Kcal
  8. 720 × 10^6 Kcal
  9. 180 × 10^6 Kcal
  10. 420 × 10^6 Kcal

src

stemez-Chemistry

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Official source

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