(5.9: Similar to Conceptual Connection 5.12) Which metal is most easily oxidized (with stronger tendency to lose electrons)? O AI O Sn O Zn O Au
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
![### Oxidation Tendency of Metals
(5.9: Similar to Conceptual Connection 5.12) Which metal is most easily oxidized (with stronger tendency to lose electrons)?
#### Multiple Choice Options:
- O Al
- O Sn
- O Zn
- O Au
### Explanation:
This exercise tests your understanding of the oxidation tendencies of different metals. Oxidation refers to the process where a substance loses electrons. In the context of metals, those that are more easily oxidized have a stronger tendency to lose electrons.
#### Consider the Following Points:
- **Al (Aluminum):** Known for its ability to form a protective oxide layer, making it relatively less reactive in specific environments.
- **Sn (Tin):** Used in several applications due to its moderate reactivity.
- **Zn (Zinc):** Commonly used in galvanization processes to protect other metals from corrosion due to its higher reactivity.
- **Au (Gold):** Highly resistant to oxidation, making it one of the least reactive metals.
In this context, the metal that is most easily oxidized is typically the one with a higher reactivity and a stronger tendency to lose electrons.
For further understanding, you may refer to the electrochemical series, which ranks elements based on their standard electrode potentials.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa6aa13af-b0b4-4b84-a222-8b6a152716db%2F9a1bc6c6-a4a8-4dc9-9742-192c16a4b72a%2Fl6xw5zp_processed.jpeg&w=3840&q=75)
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