Is hydrogen denser than air?

Answer Hydrogen is less dense than air. Density equals mass divided by volume. The density of hydrogen is 0.000089 grams per milliliter (ml), while the density of air is 0.00128 grams per ml. Contained hy... Read More »

Top Q&A For: Is hydrogen denser than air

How to Make Salt Water Denser?

Knowing how to make salt water denser is a good skill to have in physics class, especially for the units on buoyancy and density. The process is simple, and there are multiple methods. Depending on... Read More »

Is water denser than rubbing alcohol?

Yes, water is denser than rubbing alcohol. At 20 degrees Celsius, the density of water is 1 gram per cubic centimeter, while the density of isopropyl (or rubbing) alcohol is .786 grams per cubic ce... Read More »

What is the pressure of a hydrogen storage supply tank for a hydrogen fuel cell?

Current fuel cells typically store hydrogen gas at 5,000 pounds per square inch (psi) of pressure. State-of-the-art tanks with a 10,000 psi capacity are in development. Cryogenic storage of liquid... Read More »

How to Make a Denser Cake From Cake Mix?

With every convenience, something is sacrificed. With packaged cake mixes, the sacrifice is the texture of the finished cake. Cakes made from a box do not have the heft of a dense, homemade cake un... Read More »