Which of the Following Is a Statement of Hess's Law

question 56

Multiple Choice

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

• A)If a reaction is 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 is 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 in magnitude and opposite in sign to the ΔH for the process in the reverse direction.
• D)The ΔH for a process in the forward direction is equal to the ΔH for the process in the reverse direction.
• E)The ΔH of a reaction depends on the physical states of the reactants and products.

---

Definitions:

Placebo Effect

The beneficial effect on a patient's condition resulting from a person's expectations or beliefs, rather than from an active ingredient in a treatment.

Alzheimer's Patients

Individuals diagnosed with Alzheimer's disease, a progressive neurological disorder that causes memory loss and cognitive decline.

Sensory Stimulation

The process of activating one's senses using various stimuli, such as touch, taste, and sound, to enhance neurological development and function.

Aromatherapy

The use of essential oils and other aromatic compounds from plants to influence mood, well-being, and health.