question archive What mass of natural gas (ch4) must you burn to emit 268 kj of heat? ch4(g)+2o2(g)→co2(g)+2h2o(g)δh?rxn=−802

What mass of natural gas (ch4) must you burn to emit 268 kj of heat? ch4(g)+2o2(g)→co2(g)+2h2o(g)δh?rxn=−802

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What mass of natural gas (ch4) must you burn to emit 268 kj of heat? ch4(g)+2o2(g)→co2(g)+2h2o(g)δh?rxn=−802.3kj express the mass in grams to three significant figures?

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