To Which One of the Following Reactions Occurring at 25°C $\Delta$

question 76

Multiple Choice

To which one of the following reactions occurring at 25°C does the symbol $\Delta$ H°_f[H₂SO₄(l) ] refer?

• A)2H(g)+ S(g)+ 4O(g)\(\rarr\) H₂SO₄(l)
• B)H₂(g)+ S(g)+ 2O₂(g)\(\rarr\) H₂SO₄(l)
• C)H₂SO₄(l)\(\rarr\) H₂(g)+ S(s)+ 2O₂(g)
• D)H₂SO₄(l)\(\rarr\) 2H(g)+ S(s)+ 4O(g)
• E)H₂(g)+ S(s)+ 2O₂(g)\(\rarr\) H₂SO₄(l)

---

Definitions:

Machinery

Equipment and devices that perform specific tasks in industries, contributing to production processes.

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, representing the financial gain in conducting business activities.

Rate of Return

The increase or decrease in the value of an investment over a set time frame, shown as a percent of the investment's original price.

Assets

Economic resources owned or controlled by an individual, corporation, or country that are expected to provide future benefits, including cash, real estate, and intellectual property.