Author Question: Solid sodium peroxide (Na2O2) reacts with liquid water yielding aqueous sodium hydroxide and oxygen ... (Read 77 times)

dabomba718 · **on:** Nov 5, 2023

Solid sodium peroxide (Na₂O₂) reacts with liquid water yielding aqueous sodium hydroxide and oxygen gas. How much heat is released when 250.0 L of oxygen gas is produced from the reaction of sodium peroxide and water if the reaction is carried out in an open container at 1.000 atm pressure and 25°C?
(Given: ΔH°_f[Na₂O₂(s)] = –510.9 kJ/mol; ΔH°_f[NaOH(aq)] = –469.2 kJ/mol; ΔH°_f[H₂O(l)] = –285.8 kJ/mol)
◦ 141.7 kJ
◦ 1740 kJ
◦ 2900 kJ
◦ 3330 kJ
◦ 35,400 kJ

Htimsrs · **Reply #1 on:** Nov 5, 2023

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