A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide.
2 HgO(s) 2 Hg(l) + O2(g)
Hrxn = 181.6 kJ
(a) How much heat is needed to decompose 556 g of the oxide?
(b) If 288 kJ of heat is absorbed, how many grams of mercury form?
1 answer
bofa