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Questions and Answers
What happens to the availability of useful energy in a system when it becomes more disordered?
More useful energy becomes available to do work.
What is the direction of a reaction when ΔG is negative?
The reaction is spontaneous in the forward direction.
What is the primary difference between Gibbs free energy and enthalpy?
Gibbs free energy is the amount of 'free' or 'available' energy a system possesses to do work, whereas enthalpy is the total energy of a system.
What is the condition for a reaction to be at equilibrium?
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What is the preferred condition for spontaneous reactions in terms of ΔH and ΔS?
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How does the sign of ΔG° relate to the spontaneity of a reaction?
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What is the role of entropy in determining the spontaneity of a reaction?
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What is the relationship between ΔG and Keqm?
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How does the Gibbs equation relate to the equilibrium constant (Keq)?
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What does a Keqm value greater than 1 indicate?
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What is the significance of the Kelvin temperature (T) in the Gibbs equation?
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Using the given data, is the reaction H2O(l) → H2O(g) spontaneous at room temperature?
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