Problem: Which of the following is a statement of Hess's law?a. if a reaction carried out in a series of steps the, ΔH for the reaction will equal the sum of the enthalpy changes for the individual steps.b. if a reaction carried out in a series of steps the, ΔH for the reaction will equal the product of the enthalpy changes for the individual steps.c. the ΔH for a process in the forward direction is equal to the ΔH for the process in the reverse direction.d. the ΔH for a process in the forward direction is equal in magnitude and opposite in sign to the ΔH for a process in the reverse direction.e. the ΔH of a reaction depend on the physical state of the reactants and products.

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Which of the following is a statement of Hess's law?

a. if a reaction carried out in a series of steps the, ΔH for the reaction will equal the sum of the enthalpy changes for the individual steps.

b. if a reaction carried out in a series of steps the, ΔH for the reaction will equal the product of the enthalpy changes for the individual steps.

c. the ΔH for a process in the forward direction is equal to the ΔH for the process in the reverse direction.

d. the ΔH for a process in the forward direction is equal in magnitude and opposite in sign to the ΔH for a process in the reverse direction.

e. the ΔH of a reaction depend on the physical state of the reactants and products.

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Based on our data, we think this problem is relevant for Professor Beyersdorf's class at CSUSB.