Problems & Step-by-Step Video Solutions

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Chemistry Problems and Solutions on Videos. This section covers problems specifically about: Free energy change in chemical reactions, in the area of: Entropy and the Second Law of Thermodynamics.
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16 06 00

For the reaction:

2SO2(g) + O2(g) --> 2SO3(g)

(a) Calculate DH0, DS0, and DG0 .

(b) Explain the sign of DS0.

(c) Is this reaction spontaneous at standard condition?

(d) Calculate the equilibrium constant of this reaction at 298 K.

(e) Calculate the equilibrium constant of this reaction at 1000 K.

(f) The following mixture of the three gases are prepared in a 1.000-L flask at 1000 K: 0.300 mole of SO2, 0.200 mole of O2 and 2.50 mole of SO3. In which direction is the reaction spontaneous?
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