B a unique molar volume characterizes the system at

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Unformatted text preview: 10 J and the change in energy ΔUBC from state B to state C is – 20 J, the change in energy ΔUCA from state C to state A is – 10 J. 1 Question 5: (5 points) Which among the following statements is correct? a) At all intermolecular distances, repulsive and attractive interactions have the same strength but their associated energies have opposite signs. b) Attractions dominate at very short intermolecular distances and repulsions dominate at somewhat larger intermolecular distances. c) Repulsions dominate at very short intermolecular distances and attractive interactions dominate at somewhat larger intermolecular distances. d) The transformation of a gas...
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