How Many KJ of Heat Are Released When 15

question 124

Multiple Choice

How many kJ of heat are released when 15.75 g of Ba (s) reacts completely with oxygen gas to form BaO (s) ? ΔH° = -1107 kJ.

• A)63.5 kJ
• B)20.8 kJ
• C)114 kJ
• D)70.3 kJ
• E)35.1 kJ

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