The reaction of fluorine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride. If you have 66.6 grams of NH3, how many grams of F2 is required to complete the reaction? 5F2 + 2NH3 N2F4 + 6HF

What two categories of toxins were present in the air at dish,texas as a result of the gas pipelines that pass through the area

Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o