What is the term that is used to describe a key factor required to start a fission reaction?

Matches the chemical name of each oxide of phosphorus to its chemical formula

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: