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

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Definitions:

Supply of Eggs

The total quantity of eggs that producers are willing and able to sell at a given price level.

Substitutes

Goods or services that can be used in place of each other, satisfying the same needs or desires, and thus competing in the same market.

Price of Coffee

The amount of money required to purchase a unit or a specific quantity of coffee, which can vary based on factors like quality, origin, and market demand.

Demand for Tea

The quantity of tea that consumers are willing and able to purchase at various prices within a given time period.