1. Calculate the bond energy of the reactants and products below. Then determine the heat of reaction for
the combustion of propane. Based on the heat of reaction you calculate, classify the reaction as
exothermic or endothermic. Show all work for full credit.

Which substances have the lowest melting points: ionic covalent, or metallic

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution