Why is biodiversity important in ecosystems?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.