... get a fresh amount from the tap so that the water always starts off cold. h. Also I will make sure that the alcohol is always the same distance from the can for every experiment. i. I will need to do this twice for each of the alcohols. Continue this method with other alcohols. 3. Prediction Because Butanol has the most bonds, I believe it must use the most energy. Bond Energy (Kj/mol) C - H 413 O - H 464 C - O 358 O - O 498.3 C - O 805 C - C 347 H - H 436 Using the bond energy values (shown above) I will try to work out how much energy the alcohols will give off. For example: CH3OH is the formula for methanol, and it contains 3 C-H bonds, 1 C-O bond and 1 O-H bond. Using the bond energy values from the above table I can work out how much energy is needed to break the bonds of CH3OH by adding all ...

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