The Following Questions Refer to the Reaction 2A₂ + B₂

question 115

Multiple Choice

The following questions refer to the reaction 2A₂ + B₂ → 2C. The mechanism below has been proposed:
-Raw milk sours in 4.0 h at 28°C but takes 48 h to sour in a refrigerator at 5°C. Calculate the activation energy for the souring of milk.

• A) 8.87 kJ
• B) 4.00 kJ
• C) 12.0 kJ
• D) 75.2 kJ
• E) none of these

---

Definitions:

Operating System

A software platform that manages computer hardware resources and provides services for computer programs.

Memory Chips

Electronic components that store data and code for quick access by the computer's processor.

Video Card

A computer hardware component that generates and outputs images to a display; also known as a graphics card.

Desktop Publishing

The use of computers and software to design and produce documents that combine text and graphics.