Homework Help: chemistry

Posted by hello on Thursday, March 25, 2010 at 9:37pm.

Many cigarette lighters contain liquid butane, C4H10(l). Using standard enthalpies of formation, calculate the quantity of heat produced when 2.7 g of butane is completely combusted in air under standard conditions.

chemistry - DrBob222, Thursday, March 25, 2010 at 9:44pm
I assume you have a set of tables.
delta Hrxn = (delta Hproducts)-(delta H reactants).
Then delta Hrxn x (2.7/molar mass C4H10).
chemistry - Anonymous, Sunday, March 6, 2011 at 7:57pm
goobs
chemistry - Anonymous, Monday, January 14, 2013 at 8:43pm
kklkl

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