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Joseph Priestly prepared oxygen in 1774 by heating red mercury(II) oxide with sunlight focused through a...

Joseph Priestly prepared oxygen in 1774 by heating red mercury(II) oxide with sunlight focused through a lens. How much heat (in kJ) is required to decompose 1.42 mol of red HgO(s) to Hg(l) and O2(g) under standard conditions? (Hint: Use the Supporting Material.)

______kJ

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