Practice Thermodynamic Principles Of Metallurgy (4) - Chapter 6: General Principles and Processes of Isolation

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6 sample questions

Question 1.
What does ΔG represent in thermodynamics?
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Think about the energy changes involved in a chemical reaction.
Question 2.
What does an Ellingham diagram display?
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It involves both energy and temperature aspects.
3Question 3.
What does the Ellingham diagram help predict?
- The boiling point of metals
- The feasibility of reduction reactions
- The density of metals
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Consider what the diagram plots.
4Question 4.
True or False: A lower ΔG means a less favorable reaction.
- True
- False
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Think about favorability in energy terms.
Question 5.
Given an Ellingham diagram, predict if aluminum can reduce manganese oxide (MnO) and justify your answer.
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Look closely at the specific points on the diagram.
Question 6.
Explain how the principles of thermodynamics impact the design of metal extraction from ores in industrial settings.
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Consider both the energy costs and the feasibility of possible reactions.

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