320.93−(6109.7/2.3)
express your answer to the appropriate number of significant digits.

It would be about -2335.46
The whole answer was -2335.461304

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.