N2+3H2-> 2NH3 What is the mole ratio between Nitrogen (N2) and Ammonia (NH3) in the above reaction A. 1 moles NH3/ 2 moles N2
B. 2 moles N2/ 3 moles NH3
C. 2 moles NH3/ 1 moles N2
D. 1 moles N2/ 3 moles NH3

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

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.

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".