Identify the element or molecule that has the highest effusion rate. A) He B) O₂ C) HCl D) SO₂ E) Rn

Name: Identify the element or molecule that has the highest effusion rate. A) He B) O 2 C) HCl D) SO 2 E) Rn
Brand: Quizplus
Rating: 4.9 (32 reviews)

Question

Quizplus · Accepted Answer

The effusion rate of a gas is inversely proportional to the square root of its molar mass (Graham's law). Helium (He) has the lowest molar mass among the given options, thus it will have the highest effusion rate.

Identify the Element or Molecule That Has the Highest Effusion