Hydrogen and methanol have both been proposed as alternatives to hydrocarbon fuels. use standard enthalpies of formation to calculate the amount of heat released per kilogram of the fuel.

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Which suspect most likely committed the robbery and how do you know

What element has similar physical and chemical properties as boron.