A0.271g sample of an unknown vapor occupies 294ml at 140c and 874mmhg. the emperical formula of the compound is ch2. how many moles of co2 would be formed if 3moles of the compound react with oxygen?

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

What is the independent variable in this investigation? mass volume sample number substance density