Question

Only need a simple short answer

1. What is an example of a process that would satisfy the conservation of energy principle but not actually be observed in nature?

2. Are health risks associated with consuming tomatoes induced to ripen by an ethylene spray? Explain.

3. Are irreversibilities found in living things? Explain.

4. Is the power generated by fuel cells limited by the Carnot efficiency? Explain.

5. Does the second law impose performance limits on elite athletes seeking world records in events such as track and field and swimming? Explain.

6. Which method of heating is better in terms of operating cost: electric-resistance baseboard heating or a heat pump? Explain.

7. What options exist for effectively using energy discharged by heat transfer from electricity-generating power plants?

8. What factors influence the actual coefficient of performance achieved by refrigerators in family residences?

Answer 1

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