Describe the major barriers to equality between students of different races today, according to the three guests interviewed in the text. Cite evidence from the text in your answer Help me please?

Ibelieve it's celsius. hope this .

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.

#2- the hno3 has a h+ ion and the naoh has an oh- ion