In the Reactions Involved in the Photodecomposition of Ozone (Shown

question 124

Multiple Choice

In the reactions involved in the photodecomposition of ozone (shown below) ,what does M symbolize?
1.O₂ (g) + hν → O (g) + O (g)
2.O (g) + O₂ (g) + M (g) → O₃ (g) + M^* (g)
3.O₃ (g) + hν → O₂ (g) + O (g)
4.O (g) + O (g) + M (g) → O₂ (g) + M^* (g)

• A)mesosphere
• B)metal
• C)molybdenum
• D)methane
• E)molecule

---

Definitions:

Automatic Insertion Machine

A machine used in manufacturing for automatically placing components onto circuit boards or into their correct positions on a production line.

Accountant

A professional responsible for maintaining and interpreting financial records, ensuring accuracy and compliance with laws and regulations.

Net Present Value

The calculation used to find today’s value of a stream of future payments or receipts, by discounting them using a specific rate of return.

Investment

Investment refers to the allocation of resources, such as capital, time, or assets, with the expectation of generating profit or income, involving mechanisms like stocks, bonds, real estate, or other financial vehicles.