Key Concepts. The polarity of water molecules enables water to dissolve many ionically bonded substances. Salt (sodium chloride) is made from positive sodium ions

Can acetone dramatically increase your gas mileage? Wise Bread reader Kip Kay told us that by adding pure acetone into his gas tank, his car now gets 10 extra miles

1 -The floating needle. Carefully place a needle on the surface of a glass of water. If the water does not completely wet it, you will see the needle float.

Acetone (systematically named propanone) is the organic compound with the formula (CH 3) 2 CO. It is a colorless, volatile, flammable liquid, and is the simplest ketone.

The high surface tension of water permits some spiders and insects to walk across it without sinking. Gerhard Schulz / Getty Images

Surface tension is an effect where the surface of a liquid is strong. The surface can hold up a weight, and the surface of a water droplet holds the droplet together

Water is the chemical substance with chemical formula H 2 O; one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. Water is a

Surface tension values of some common test liquids for surface energy analysis.

Key Concepts. The attraction of molecules at the surface of a liquid is called surface tension. The polarity of water molecules can help explain why water has a

What is polarity of water? How is it important? Read to find all the answers