Asked by kiersten

How many kilojoules are absorbed when 318 g of Ca(OH)2 reacts?
Answered by DrBob222
Reacts with what? What are the delta Hf values?
Answered by kiersten
Ca(OH)2 -> CaO +H2O DeltaH = +65.3kj
Answered by DrBob222
Ca(OH)2 = 74.09
65.3 kJ x (318/74.09) = ?
Answered by Elvira
280.2726414
round to smallest SF
280