A Common Laboratory Reaction Is the Neutralization of an Acid $\degree$

question 22

Multiple Choice

A common laboratory reaction is the neutralization of an acid with a base. When 50.0 mL of 0.500 M HCl at 25.0 $\degree$ C is added to 50.0 mL of 0.500 M NaOH at 25.0 $\degree$ C in a coffee cup calorimeter, the temperature of the mixture rises to 28.2 $\degree$ C. What is the heat of reaction per mole of acid? Assume the mixture has a specific heat capacity of 4.18 J/(g ? K) and that the densities of the reactant solutions are both 1.00 g/mL.

• A) 670 J
• B) 1300 J
• C) 27 kJ
• D) 54 kJ
• E) > 100 kJ

---

Definitions:

Wine

An alcoholic beverage made from fermented grapes or other fruits, varying greatly in flavor and style.

Breast-Feeding

The act of feeding a baby with milk directly from the mother's breast, providing essential nutrients and antibodies.

Cultural Group

A community of individuals who share common cultural practices, linguistic or religious traditions, heritage, or characteristics.

Ju/'hoansi

A hunter-gatherer people living in the Kalahari Desert of southern Africa, known for their rich cultural heritage and foraging lifestyle.