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Arrows in the Energy Diagram Below Represent Enthalpy Changes Occurring

question 57

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Arrows in the energy diagram below represent enthalpy changes occurring in the exothermic formation of a solution:
ΔHsoln = enthalpy of solution
ΔHsolute-solute = enthalpy change involving solute-solute interactions
ΔHsolute-solvent = enthalpy change involving solute-solvent interactions
ΔHsolvent-solvent = enthalpy change involving solvent-solvent interactions Arrows in the energy diagram below represent enthalpy changes occurring in the exothermic formation of a solution: ΔH<sub>soln</sub> = enthalpy of solution ΔHsolute-solute = enthalpy change involving solute-solute interactions ΔHsolute-solvent = enthalpy change involving solute-solvent interactions ΔHsolvent-solvent = enthalpy change involving solvent-solvent interactions   -Which arrow represents ΔH<sub>solute-solvent</sub>? A) arrow (a)  B) arrow (b)  C) arrow (c)  D) arrow (d)
-Which arrow represents ΔHsolute-solvent?

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