Answer:
At 30 and 2,204
diagonal
liquid phase
2856
top horizontal line
flat
the change from a solid to a liquid
Explanation:
Melting requires an input of energy to convert a solid to a liquid.
Hope this helped!
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The answer that best fits the blank provided above is MECHANICAL.
if the product has lesser energy than the reactants it means enthalpy change value is positive.so it is endothermic reaction where the heat is absorbed.so kcl will formation will have positive enthalpy change .
