You are given a pure sample of a colorless gas in a test tube. It is either oxygen, nitrogen or hydrogen. Explain how you would Identify the gas.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.