A Voltaic Cell Is Constructed with Two Zn²⁺-Zn Electrodes,where the Half-Reaction

question 127

Multiple Choice

A voltaic cell is constructed with two Zn²⁺-Zn electrodes,where the half-reaction is Zn²⁺ + 2e^- → Zn(s) E° = -0.763 V
The concentrations of zinc ion in the two compartments are 5.50 M and 1.11 × 10^-2 M,respectively.The cell emf is ________ V.

• A) -1.54 × 10^-3
• B) -378
• C) 0.0798
• D) 0.160
• E) -0.761

Distinguish between different types of personality measures, including traits and states.

Comprehend the challenges involved in developing accurate measures of personality.

Differentiate between nomothetic and idiographic approaches to personality research.

Recognize the importance of self-esteem in psychological research and interventions.

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Definitions:

Synaptic Pruning

The process by which extra neurons and synaptic connections are eliminated in the brain to increase the efficiency of neuronal transmissions.

Neurons

Specialized neurons in the nervous system that communicate information via electrical and chemical signals.

Complex Communication

The exchange of information that involves multiple layers of meaning and requires higher levels of understanding and interpretation.

Myelination

The process of coating the axons of neurons with a fatty substance called myelin, which speeds up the transmission of electrical signals in the nervous system.