Consider the Expression Below, Showing the Terms Which Contribute to the Heat

question 42

Multiple Choice

Consider the expression below, showing the terms which contribute to the heat of solution, ΔH_soln: ΔH_soln = ΔH_solute + ΔH_solvent + ΔH_mix
Which of the following sets correctly shows the signs (positive or negative) of the three terms on the right hand side of the equation?

• A)Δ H _solute > 0; Δ H _solvent > 0; Δ H _mix > 0
• B)Δ H _solute < 0; Δ H _solvent < 0; Δ H _mix < 0
• C)Δ H _solute > 0; Δ H _solvent > 0; Δ H _mix < 0
• D)Δ H _solute < 0; Δ H _solvent < 0; Δ H _mix > 0
• E)Δ H _solute < 0; Δ H _solvent > 0; Δ H _mix < 0