In chemistry what contains the smallest amount of matter a)25g b)2.5: ) c)2,500dg d)0.25kg

If a reaction has g of -136kj at 110°c, will it be spontaneous at this temperature (110°c)? yes or no

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

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled