How much methane, in grams, must be burned to release 542 kJ of heat? H=-802kJ

  1. 👍 0
  2. 👎 0
  3. 👁 802
asked by Luke
  1. CH4 + 2O2 ==> CO2 + 2H2O

    16g CH4 releases 802 kJ so
    16 x 542 kJ/802 kJ = ?

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