Which gas has the lowest specific gravity at 25° C and 760 mm Hg?
A) Water vapor
B) Helium
C) CO₂
D) O₂

Name: Which gas has the lowest specific gravity at 25° C and 760 mm Hg? A) Water vapor B) Helium C) CO₂ D) O₂
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Question

Quizplus · Accepted Answer

Helium has the lowest specific gravity among the options given because it is the lightest monoatomic gas, making it less dense than water vapor, CO₂, and O₂ under the same conditions.

Which Gas Has the Lowest Specific Gravity at 25° C