To 275 mL of a 0.50 M solution of Kl, a student adds enough water to make 1.0 L of a more dilute Kl solution. What is the molarity of the new
solution?

c. electrical charges of ionic bonds.

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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.

Answerstudying coal cumbustion as an energy source;