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Problem- At what temperature is the reduction of tungsten oxide by hydrogen to give metallic tungsten and steam spontaneous? The standard heat of formation of WO3(s) is -843kJ/mol and its standard molar entropy is 76 J/ (K*mol).

WO3(s) + 3H2(g) --> W(s) + 3H2O(g)

Provide your answer in scientific notation provide the balanced reaction.

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