Be sure to answer all parts. Deterioration of buildings, bridges, and other structures through the rusting…

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Be sure to answer all parts. Deterioration of buildings, bridges, and other structures through the rusting…

Be sure to answer all parts. Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars every day. Although the actual process also requires water, a simplified equation (with rust shown as Fe2O3) is: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) AH –1.65 x 103 kJ (a) What is the Ahr when 0.250 kg of iron rusts? x 10 kJ (b) How much rust forms when 2.90 x 109 kJ of heat is released? x 10 g Fe2O3
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