Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars...

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) ΔHrxn = −1.65 × 103 kJ (a) What is the ΔHrxn when 0.250 kg of iron rusts? × 10 kJ (b) How much rust forms when 2.60 × 103 kJ of heat is released? × 10 g Fe2O3

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queen_honey_blossom answered 1 year ago

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