Question

Determine the mass of co2 produced by burning enough carbon (in the form of charcoal) to produce 470 kj of heat. c(s)+o2(g)→co2(g)δh∘rxn=−393.5kj natural gas burns in air to form carbon dioxide and water, releasing heat. ch4(g)+2o2(g)→co2(g)+2h2o(g) δhorxn = -802.3 kj what minimum mass of ch4 is required to heat 45.0 g of water by 30.0 ∘c? (assume 100% heating efficiency.) (for water,cs= 4.18 j/g∘c).

Answer 1

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