Given the following thermochemical data:

Question

H2O(l)+2AgNO3(aq) ¡æ 2HNO3(aq)+Ag2O(s) ¥ÄH = 44.8 kJ
2Ag(s)+¨öO2(g) ¡æ Ag2O(s) ¥ÄH = -31.0 kJ
¨öO2(g)+H2(g) ¡æ H2O(l) ¥ÄH = -285.8 kJ

Use Hess¡¯s Law to determine ¥ÄH for the reaction:

¨öH2(g)+AgNO3(aq) ¡æ Ag(s)+HNO3(aq)

Answer 1

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