Is ethane polar or nonpolar

Why is it o2 and not o? and what does the 2 stand for?

Which kelvin temperature is equal to - 73 c?

Cobalt fluoride crystallizes in a closest packed array of fluoride ions, with the cobalt ions filling one-half of the octahedral holes. What is the formula of this compound?

Write a balanced half-reaction describing the oxidation of aqueous vanadium (i) cations to aqueous vanadium (v) cations.

The first letter of a chemical symbol must be

A spherical ball of lead has a diameter of 2.5 cm. What is the mass of the sphere if lead has a density of 11.34 g/cm3? (The volume of a sphere is (43) πr3 where r is the radius.)

If a clot were made up of a mass of proteins, what change in the proteins led to the formation of a clot?

How many types of eggs can mothers create

If a piece of metal, such as calcium or magnesium, reacts with atmospheric oxygen, would you expect the product to have a greater or lesser mass than the reacting metal?

How is the salt formed in a neutralization reaction written in a chemical reaction?