June 2018 NY Regents Chemistry Exam
17 At which temperature will Hg(l) and Hg(s) reach equilibrium in a closed system at 1.0 atmosphere? (1) 234 K
(2) 273 K
(3) 373 K
(4) 630. K
Solution: When solid turns into liquid, an equilibrium would be reached between the two forms at melting point. We need to look at Table S which provides melting points for all the elements.
Answer:1
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