Practice Equilibrium Temperature (t_eq) (4.5.3) - Chapter 4: Energetics/Thermochemistry

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6 sample questions

Question 1.
What does the condition ΔG = 0 signify about a reaction?
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Think about whether the reaction progresses.
Question 2.
What is T_eq?
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Consider what happens at equilibrium.
3Question 3.
What does a negative ΔG indicate about a reaction?
- It's spontaneous
- It's at equilibrium
- It's non-spontaneous
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Remember the signs of ΔG and what they reflect.
4Question 4.
T_eq is defined as the temperature at which:
- True
- False
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Consider the meaning of equilibrium in thermodynamics.
Question 5.
Calculate the equilibrium temperature T_eq for a reaction where ΔH = 20 kJ and ΔS = 0.1 kJ/K. What does this tell us about the reaction?
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Use the formula for equilibrium temperature and relate it to spontaneity.
Question 6.
Explain how increasing entropy (ΔS) influences the temperature required for a reaction's spontaneity.
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Think about how entropy impacts the ΔG equation.

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