How Much Energy Is Required to Vaporize 98

question 39

Multiple Choice

How much energy is required to vaporize 98.6 g of ethanol (C₂H₅OH) at its boiling point,if its ΔH_vap is 40.5 kJ/mol?

• A) 86.7 kJ
• B) 11.5 kJ
• C) 18.9 kJ
• D) 52.8 kJ
• E) 39.9 kJ

Know how to create effective job descriptions and how they serve different organizational needs.

Understand the role of supervisors and the human resources department in the recruitment and selection processes.

Recognize effective methods for internal recruitment within an organization.

Understand the skills, knowledge, and abilities required for specific jobs and how they are assessed.

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Definitions:

Inductive Current

Current that is induced by a changing magnetic field, often described in terms of electromagnetic induction or the inductance property in a circuit.

Inductive Reactance

The opposition to the change of current flow due to inductance in an AC circuit, measured in Ohms.

Apparent Power

The total power in an AC circuit, both used and unused, measured in Volt-Amperes (VA) and combining both active and reactive power components.

Parallel Circuit

A circuit in which components are connected across common points or junctions, providing multiple paths for current.