If natural gas contains significant amounts of sulfur as H2S, it is called sour

Question

If natural gas contains significant amounts of sulfur as H2S, it is called sour natural gas. For the gas to be commercially useful as a fuel, the H2S must be removed. Once it is separated from the natural gas, it is reacted with oxygen in two different processes to yield either elemental sulfur (S8), a commercial material that can be sold, or sulfur dioxide (SO2). This sulfur dioxide product can be reacted with more H2S to make additional elemental sulfur. Balance the following reactions that describe the production of elemental sulfur. 1. H2S(g)+O2(g) ----> S8(s)+H2O(g) 2. H2S(g)+O2(g) ------> S2(g)+H2O(g) 3. H2S(g)+SO2(g) ------> S8(g)+H2O(g)

Explanation / Answer

If natural gas contains significant amounts of sulfur as H2S, it is called sour

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