Which curve represents the spontaneous reaction, and which the nonspontaneous?

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: