Arrange the Following Gases in Order of Increasing Average Molecular

question 82

Multiple Choice

Arrange the following gases in order of increasing average molecular speed at 25 °C. He,O₂,CO₂,N₂

• A)He < N₂ < O₂ < CO₂
• B)He < O₂ < N₂ < CO₂
• C)CO₂ < O₂ < N₂ < He
• D)CO₂ < N₂ < O₂ < He
• E)CO₂ < He < N₂ < O₂

---

Definitions:

Iodized Salt

Salt that has been fortified with iodine, a nutrient essential for thyroid function.

Thyroid

A gland in the neck that secretes hormones regulating growth and metabolism by controlling the rate of metabolism and the rate at which the body uses energy.

Iodine

A chemical element necessary for thyroid gland function, also used as a disinfectant.

PTH

Parathyroid hormone, a regulator of calcium and phosphorus metabolism in the body.