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Posted by on Sunday, October 21, 2012 at 10:29pm.

If the heat of combustion for a specific compound is -1310.0 kJ/mol and its molar mass is 75.45 g/mol, how many grams of this compound must you burn to release 708.60 kJ of heat?

  • chemistry - , Sunday, October 21, 2012 at 10:32pm

    1310 kJ/mol x ?mol = 708.60 kJ.
    Solve for ?mol.

    Then mol = grams/molar mass. You know mol and molar mass, solve for grams.

  • chemistry - , Sunday, October 21, 2012 at 10:39pm

    Im not getting the correct thing

  • chemistry - , Sunday, October 21, 2012 at 11:15pm

    Which doesn't help me find the problem. Post your work so I can see what you've done.

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