Question

18.1 g of water (initially at 20 oC) is poured onto 270 g of hot, aluminum metal (initially at 500 oC). Once all of the water has vaporized (and no heat is lost to the surrounding air) what will be the final temperature of the aluminum?

MPAl = 660 oC

Csolid Al = 24.2 J/mol oC

Cliquid Al = 29.3 J/mol oC

Cliquid water = 75.3 J/mol oC

Cwater vapor = 33.1 J/mol oC

ΔHfus water = 6.02 kJ/mol

ΔHvap water = 40.67 kJ/mol