At 1024ºC, the pressure of oxygen gas from the decomposition of copper(II)oxide is 0.490 bar: 4CuO(s)⇋2Cu2O(s)+O2(g) What is the value of KP for this reaction? (Hint: Use 1 atm as your standard pressure) Calculate the fraction of CuO that will decompose if 0.160 mole of it is placed in a 2.00 L flask at 1024ºC. What would the fraction be if a 1.00 mole sample of CuO were used?

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At 1024ºC, the pressure of oxygen gas from the decomposition of copper(II)oxide is 0.490 bar:

4CuO(s)⇋2Cu2O(s)+O2(g)

  1. What is the value of Kfor this reaction? (Hint: Use 1 atm as your standard pressure)
  2. Calculate the fraction of CuO that will decompose if 0.160 mole of it is placed in a 2.00 L flask at 1024ºC.
  3. What would the fraction be if a 1.00 mole sample of CuO were used?
  4. What is the smallest amount of CuO in moles that is needed in order to establish equilibrium?
  5. What is the Gibbs standard energy for this reaction?
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