The Enthalpy Change When a Strong Acid Is Neutralized by Strong

question 3

Multiple Choice

The enthalpy change when a strong acid is neutralized by strong base is -56.1 kJ/mol. If 12.0 mL of 6.00 M HBr at 21.30 ^$\circ$ C is mixed with 300. mL of 0.250 M NaOH, also at 21.30 ^$\circ$ C, what is the maximum temperature reached by the resulting solution (Assume that there is no heat loss to the container, that the specific heat of the final solution is 4.18 J/g· ^$\circ$ C, and that the density of the final solution is that of water.)

• A) 18.20^\(\circ\)C
• B) 24.40^\(\circ\)C
• C) 24.53^\(\circ\)C
• D) 34.25^\(\circ\)C
• E) 101.8^\(\circ\)C

---

Definitions:

Dividends Payable

A liability account in a company's balance sheet indicating the amount in dividends that the company owes to its shareholders but has not yet paid out.

Operating Expenses

Expenses incurred from a company's operational activities, excluding the cost of goods sold, taxes, and interest expenses.

Dividends Declared

Profits that a company's board of directors has decided to distribute to shareholders in the form of dividends.

Income Tax Expense

The cost of income taxes a company incurs, reflecting the tax charged on its taxable income for a given period.