?Where did the mass of the forest trees come from? What happens to that mass when the forest burns?

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

What is the value of the standard enthalpy of formation of an element in its most stable form?