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Problem

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question

The temperature of spontaneous solidification for copper is 1,120°K and the melting point is 1,356°K. Calculate the Gibbs free-energy change at the spontaneous solidification temperatureusing the following data. Data Reaction:Cu_(_1) = Cu_(s) \DeltaH^0 = - 3,100 cal (@ 1,356°K). \DeltaC_p= - 2.09 + 1.5 × 10^-3T

category

engineering

options

  1. - 470 cal/mole
  2. - 500 cal/mole
  3. - 700 cal/mole
  4. - 440 cal/mole
  5. - 610 cal/mole
  6. - 380 cal/mole
  7. - 540 cal/mole
  8. - 560 cal/mole
  9. - 650 cal/mole
  10. - 630 cal/mole

src

stemez-Thermodynamics

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Official source

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