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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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wberry8 wberry8
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6 months ago
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
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Chemistry

Chemistry


Edition: 11th
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finley07finley07
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