Consider the Following Reaction and Its Corresponding Enthalpy

question 13

Multiple Choice

Consider the following reaction and its corresponding enthalpy:
2 Mg (s) + O₂ (g) →2 MgO (s) D H ° _rxn = - 1204 kJ/mol What amount of heat is exchanged when 5.00 grams of magnesium metal reacts at constant pressure?

• A) - 124 kJ
• B) - 248 kJ
• C) - 3.01×10³ kJ
• D) 7.32×10⁴ kJ
• E) 1.44×10⁵ kJ

---

Definitions:

Instrumental Learning Theory

A concept in psychology that emphasizes learning through the consequences of our actions, often involving rewards and punishments.

Relational Aggression Theory

A theoretical framework that explains aggressive behavior through the manipulation of social relationships, including actions like exclusion, gossip, or the withdrawal of friendship.

Frustration-Aggression Hypothesis

A theory suggesting that the occurrence of aggressive behavior always presupposes the existence of frustration and, conversely, that frustration leads to some form of aggression.

Freud

Sigmund Freud, an Austrian neurologist who founded psychoanalytic theory, emphasizing unconscious processes and childhood experiences.