Where does sound travel fastest - dense or less dense air?

Answer Because sound travels by vibration of matter, the density of the medium through which it is traveling will affect its speed. The denser the molecules, the faster it will travel. So sound will trave... Read More »

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Is hydrogen gas more or less dense than air?

Air, at 0.00128 grams per milliliter, is more dense than hydrogen gas, at 0.000089 grams per milliliter, according to Charles Ophardt of Elmhurst College. Hydrogen can also easily escape Earth's a... Read More »

How dense is hydrogen?

Hydrogen is the least dense of gases, with a density of 0.0988 kg/m3 at 0 degrees C and a pressure of 101.325 kPa. By comparison, air has a density of 1.2929 kg/m3 under these conditions. Hydrogen ... Read More »

Is humid air more dense?

Humid air is not more dense than dry air. Moisture plays a role in the density of air. According to the Engineering Toolbox, the moisture contained in humid air decreases its density; therefore, dr... Read More »

Is strontium dense?

Near room temperature, strontium (Sr on the periodic table) possesses a density of 2.54 grams per cubic centimeter (g/cc). For sake of comparison, the density of strontium is about the same as that... Read More »