The Rate of Disappearance of HBr in the Gas Phase

question 69

Multiple Choice

The rate of disappearance of HBr in the gas phase reaction 2HBr(g) → H₂(g) + Br₂(g)
Is 0.301 M at 150°C.The rate of appearance of is ________ M .

• A) 1.66
• B) 0.151
• C) 0.0906
• D) 0.602
• E) 0.549

---

Definitions:

Tractor-Protection Valve

A safety device in trucks that prevents air loss in the tractor if there's a leak in the trailer, ensuring the tractor's braking system remains functional.

Pressure Bleed Down

The process of gradually reducing the pressure in a system, often as a safety or preparatory step before maintenance or inspection.

Potential Energy

Potential energy refers to the energy possessed by a body due to its position or state, such as the energy stored in an object held at a height above ground.

Air Brake System

A type of brake system used in large vehicles, utilizing compressed air to create the braking force.