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What mass of oxygen (O2) must burn to provide 240kJ of heat? CH4(g)+2O2(g)CO2(g)+2H2O()H=890kJ A 17.2g B 34.5g C 8.62g D 20.3g E None of these

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What mass of oxygen (O2) must burn to provide 240kJ of heat? CH4(g)+2O2(g)CO2(g)+2H2O()H=890kJ A 17.2g B 34.5g C 8.62g D 20.3g E None of these

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