2. Identify each of the following changes as chemical or physical by placing a Chemical or Physical in each blank. a) acid rain comoding the statue of liberty d) melting steel b) dissolving salt in water e) dissolving steel in acid c) boiling salt water until just salt remains + cracking ice

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

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?