Determine the Latent Heat of Vaporization of Unknown Substance X

question 39

Multiple Choice

Determine the latent heat of vaporization of unknown substance X in kcal/g if 4.0 g of boiling liquid X are completely vaporized in 1.2 hours by an input of 15 kcal/h into the system by an energy source.

• A)4.5 kcal/g
• B)1.5 kcal/g
• C)2.7 kcal/g
• D)3.0 kcal/g
• E)5.9 kcal/g

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Definitions:

Motivational Interviewing

A counseling approach that helps individuals find the motivation to make positive decisions and accomplish their goals.

MI Resistance

In Motivational Interviewing, it refers to the client's resistance to discuss, modify, or explore their behavior or perspectives.

Helper's Role

Involves the responsibilities and duties carried out by someone offering support, guidance, or aid to another, especially in counseling or therapeutic contexts.

Scaling Question

A therapeutic technique that assesses the intensity of a client's feelings or perceptions on a numerical scale.