Joseph priestley prepared oxygen by heating mercuryii oxide, Ask an Expert

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Joseph Priestley prepared oxygen by heating mercury(II) oxide. The compound HgO is stable at room temperature but decomposes into its elements (Hg and O2) at high temperatures. What conclusions can be drawn concerning DH and DS for this decomposition reaction?

DH is negative and DS is positive.

DH is negative and DS is negative.

DH is positive and DS is positive.DH is positive and DS is negative.

DH becomes negative at high temperatures.

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Category:- Chemistry
Reference No.:- M9871311

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