Which is true according to the law of conservation of energy?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Which other elements contain the same number of outer electrons as sodium

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: