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 »

Why does salt make water more dense?

Density can be measured for solids, liquids or gases. It is the measure of the relationship between mass (how much matter an object has) and volume (how much space an object takes up). A density ... Read More »

Does taking Armour Thyroid make bones dense?

Armour Thyroid is a medication prescribed for hypothyroidism, a condition in which the patient's thyroid gland is underproducing. There is no evidence that Armour Thyroid increases bone density, an... 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 »