The value of ?H° for the reaction below is -1107 kJ/mol: Ba (s) + 1/2 O2 (g) ? BaO (s) How many kJ of heat are released when 34.33 g of Ba (s) reacts completely with oxygen to form BaO (s)?
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33 g using the molar mass of Ba, which is 137.33 g/mol. moles of Ba = 34.33 g / 137.33 g/mol = 0.25 mol Show more…
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