Homework Help: Chemistry

Posted by Eddie on Saturday, September 29, 2007 at 5:31pm.

When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a hydrocarbon to make a decision. State why from an engineering standpoint.

I understand that the fuel has to be carried in a fixed mass tank by the vehicle but I'm not really sure how to answer this question.

Chemistry - bobpursley, Saturday, September 29, 2007 at 5:52pm
Fricion is dependent on weight of the car. YOu need to reduce weight to reduce friction. Energy per gram is the way to go.
- Chemistry - eddie, Saturday, September 29, 2007 at 9:16pm
  thank you

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