A 100 ML Sample of 0 $\rarr$ NH₄Cl(aq) the Temperature Increase Is 2

question 116

Multiple Choice

A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.HCl(aq) + NH₃(aq) $\rarr$ NH₄Cl(aq) The temperature increase is 2.34 ^$\circ$ C. Calculate $\Delta$ H per mole of HCl and NH₃ reacted.

• A) -154 kJ/mol
• B) -1.96 kJ/mol
• C) 1.96 kJ/mol
• D) 154 kJ/mol
• E) 485 kJ/mol

---

Definitions:

Technological Attributes

Characteristics or features of technology, including hardware and software, that define their capabilities, functionalities, and performance.

Project Complexity

A measure of the various intricate factors and elements within a project, including its structure, governance, and uncertainty levels, that can affect its execution and outcome.

Technological Sophistication

The level of advanced technological features, innovation, and capabilities within an organization or system.

Technological Compatibility

The extent to which a technology fits and functions well within a particular system or environment without conflict.