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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 5.75 g of Ba (s) reacts completely with oxygen to form BaO (s)?

1 answer

1107 kJ/2 mol Ba = (1107/2) kJ/mol

(1107/2) kJ/mol x 5.75g/atomic mass Ba = ?
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