How Much Energy (KJ)is Released When 15 $\rarr$ Al₂O₃(s)+ 2Fe(l) $\Delta$ H° = - 822

question 6

Multiple Choice

How much energy (kJ) is released when 15.0g of Fe(l) is produced in the thermite reaction: 2Al(s) + Fe₂O₃(s) $\rarr$ Al₂O₃(s) + 2Fe(l) $\Delta$ H° = - 822.8 kJ/mol

• A)12,300 kJ
• B)221 kJ
• C)110.kJ
• D)6,170 kJ
• E)54.8 kJ

---

Definitions:

Exercise

Physical activity that is planned, structured, and repetitive for the purpose of conditioning the body.

Binge Eating Disorder

An eating disorder marked by recurrent episodes of eating large quantities of food, often quickly and to the point of discomfort.

Anorexia Nervosa

A disorder marked by excessively low body weight, severe worry over weight gain, and an inaccurate view of one's own body weight or form.

Bulimia Nervosa

A condition where individuals engage in excessive eating followed by actions to expel the food in order to stop weight increase.