Chemistry Total energy of a system is_________________? Options:A. P.E + K.EB. P.E + heat energyC. K.E + heat energyD. P.E + mechanical energyView AnswerA. P.E + K.E Continue Reading Previous: Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?Next: Estimation of amounts of different components in a sample is________________?