Given 2Al(s)+ (3/2)O₂(g) $\rarr$ Al₂O₃(s) $\Delta$ H°_f = -1,670 KJ/mol for Al₂O₃ (S)

question 99

Multiple Choice

Given 2Al(s) + (3/2) O₂(g) $\rarr$ Al₂O₃(s) , $\Delta$ H°_f = -1,670 kJ/mol for Al₂O₃ (s) . Determine $\Delta$ H° for the reaction 2Al₂O₃(s) $\rarr$ 4Al(s) + 3O₂(g) .

• A)3,340 kJ/mol
• B)1,670 kJ/mol
• C)-3,340 kJ/mol
• D)-1,670 kJ/mol
• E)-835 kJ/mol

---

Definitions:

Prefrontal Cortex

The anterior part of the frontal lobes of the brain, involved in complex behaviors including decision making, planning, problem-solving, and regulating social behavior.

Temporal Lobe

A region of the brain involved in processing auditory information and encoding memory.

Neurotransmitter

Chemical substances in the brain that transmit signals from one neuron to another across synapses.

Behaviour

Actions or reactions of an individual in response to external or internal stimuli.