A 01326 G Sample of Magnesium Was Burned in an Oxygen

question 17

Multiple Choice

A 0.1326 g sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of the calorimeter plus water was 5,760 J/°C. If the temperature rise of the calorimeter with water was 0.570°C, calculate the enthalpy of combustion of magnesium. Mg(s) + 1/2O₂(g) $\rarr$ MgO(s)

• A)-3280 kJ/mol
• B)-24.8 kJ/mol
• C)435 kJ/mol
• D)106 kJ/mol
• E)-602 kJ/mol

---

Definitions:

Employee Motivation

The array of internal and external factors that stimulate workers to take actions towards achieving personal and organizational goals.

Frederick Herzberg

An American psychologist famous for introducing the two-factor theory of motivation, identifying factors that cause job satisfaction and dissatisfaction.

Motivate Employees

The process of inspiring, encouraging, and stimulating employees to perform their best towards achieving organizational goals.

Challenging Work

Refers to job assignments or tasks that are demanding and stimulating, often requiring creativity and problem-solving skills.