The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O2 (g) → 2BaO (s)
How many kJ of heat are released when 15.75 g of Ba (s) reacts completely with oxygen to form BaO (s) ?
A) 20.8 kJ
B) 63.5 kJ
C) 114 kJ
D) 70.3 kJ
E) 35.1 kJ
Correct Answer:
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