The combustion of acetylene is used in welder\'storches becauseit produces a ver

Question

The combustion of acetylene is used in welder'storches becauseit produces a very hot flame. C2H2 (g) + 5/2 O2 (g) -->2CO2 (g) + H2O (g) 200.8         205                  2(213.6)      188.7 i tried calculating a) but according to the book ans. - mine'swrong even though i know i did the process solving right - i don'tknow what to do. :( a) Use data from appedix E to calculate S(knot) for thisreaction. b) Calculate G(knot) and show that the reaction isspontaneous at 25 degrees Celsius c) Is there any temperature range in which this reaction isnot spontaneous? The combustion of acetylene is used in welder'storches becauseit produces a very hot flame. C2H2 (g) + 5/2 O2 (g) -->2CO2 (g) + H2O (g) 200.8         205                  2(213.6)      188.7 i tried calculating a) but according to the book ans. - mine'swrong even though i know i did the process solving right - i don'tknow what to do. :( a) Use data from appedix E to calculate S(knot) for thisreaction. b) Calculate G(knot) and show that the reaction isspontaneous at 25 degrees Celsius c) Is there any temperature range in which this reaction isnot spontaneous?

Explanation / Answer

We Know that :

    The given Reaction is :

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