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Thermodynamics ...

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  • Question 1
    4 / -1

  • Question 2
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    In view of the signs of ∆r G° for the following reactions
    PbO2 + Pb → 2PbO , ∆r G° < 0,
    SnO2 + Sn→ 2SnO , ∆r G° > 0,
    Which oxidation states are more characteristic for lead and tin ?

  • Question 3
    4 / -1

    For the reversible reaction,
    A(s) + B(g) ⇌ C(g) + D(g); ∆G° =- 350 kJ,
    which one of the following statements is true ?

  • Question 4
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    Carbon cannot reduce Fe2 O3 to Fe at a temperature below 983 K because

  • Question 5
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  • Question 6
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    A container of 1.0 L capacity filled with 1.0 mole of ideal gas is connected to an evacuated vessel of 9.0 L. Calculate change in entropy. (R =1.987 cal)

  • Question 7
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  • Question 8
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  • Question 9
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    In which reaction there will be increase in entropy?

  • Question 10
    4 / -1

    Which is the correct expression, that relates changes of entropy with the change of pressure for an ideal gas at constant temperature in the following ?

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