What is the molecular mass of nicotine if 0.4784 mol weighs 180.0 g?

Consider melting ice cream. When it melts, it takes heat away from the environment and so the reaction is endothermic. When you freeze ice cream, the heat is being removed from what?

What is the formula of Chloro fluoro carbon

Is vinegar a compound or a mixture?

Write a balanced equation for the complete oxidation reaction that occurs when propane (C3H8) burns in air.

A sample of gas occupies 806 ml at 26°c and 998 mmhg. find the volume in liters of the gass at STP

Oxygen and copper are examples of what? Two substances with identical atoms. Two different molecules. Two different elements. Atoms that can't combine to form compounds.

In this group, which percentage does the green seed represent? 25% 50% 75% 100%

When working on a project, a scientist discovers that some of the data she was basing her research on was not accurate. In this situation, what should the scientist do?

What happens to a neutral atom when an electron leaves

How is the kinetic energy of the particles of a substance affected during a phase change?