4Li(s) + O2(g) → 2Li2O(s) At 25 °C, ∆Ho for this reaction is –598.8 kilojoules per mole of Li2O(s) f — Thermodynamics Chemistry Question
Question
4Li(s) + O2(g) → 2Li2O(s)
At 25 °C, ∆Ho for this reaction is –598.8 kilojoules per mole of Li2O(s) formed. What mass of Li should be reacted with excess O2(g) in order to release 150. kJ?
A.
0.874 g
B.
1.74 g
C.✓ Correct
3.48 g
D.
6.98 g
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