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Manganese metal can be obtained by the reaction of manganese dioxide with aluminium. 4al(s) + 3mnoz(s) → 2 al2o3(s) + 3 mn(s) calculate the enthalpy change of reaction. given: 2al(s) + 3/2 o2(g) →al2o3(s) ah = -1680 kj mol'. mn(s) + o2(g) → mno2(s) ah = -520 kj mol! .
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Manganese metal can be obtained by the reaction of manganese dioxide with aluminium. 4al(s) + 3mnoz(...
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