You run to your girlfriend's house and announce that you were running at a rate of 15 miles per hour. she knows this is not true because she knows

It is impossible to run 15 miles an hour

I think

Hope this helps :D

Answer:

5.6⋅10−^19  j

do you need the explaination?

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.