The formula for ammonia is NH3. How many moles are in 0.75 g of ammonia?

Does the energy in a solid increase or decrease when changing to a liquid?

What term describes technology that operates on an atomic level

Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton             rosalind franklin marie curie             gertrude b. elion ada yonath             henry cavendish robert boyle             antoine lavoisier mario j. molina             svante arrhenius