AP Chemistry

The G value for formation of gaseous water at 298 K and 1 atm is -278 kJ/mol. What is the nature of the spontaneity of formation of gaseous water at these conditions?

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  1. dG is negative. The reaction is spontaneous.
    dG = -; rxn spontaneous
    dG = 0; rxn about 50/50
    dG = +; rxn not spontaneous in the direction shown but is spontaneous for the reverse rxn.

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