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October 30, 2014

Homework Help: Chemistry

Posted by Tabetha on Tuesday, May 19, 2009 at 4:45pm.

I'm using the equation c3H8 + 5O2 yields 3 CO2 + 4H2O + 2220 kJ to figure out how many moles of O2 will be needed to produce 3450 kJ of the above reaction. I know this involves a proportion, but I have no idea what to write. Can you show me this proportion and I'll figure it out? Thanks for your explanation.

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