Then asnwer these question: What is matter? What are particles? What are the 3 states of matter? Draw three squares (3cmx3xm), label them with the 3 states of matter and draw the arrangemnt of the particles in them.

Electrons are emitted

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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.