A Steam Power Plant with an Efficiency of 65% of the Maximum

question 46

Multiple Choice

A steam power plant with an efficiency of 65% of the maximum thermodynamic efficiency operates between 250º C and 40ºC.What is the change in the entropy of the universe when this plant does 1.0 kJ of work?

• A)16 J/K
• B)1.7 J/K
• C)55 J/K
• D)1.7 mJ/K
• E)0.85 J/K

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Definitions:

Phonological Awareness

The recognition and understanding of the sound structure of language, including the ability to manipulate sounds.

Syllables

Units of organized sequential sounds in spoken language, serving as the building blocks of words.

Elementary

Pertaining to the basic, fundamental aspects of a subject or the initial stages of education, typically covering the first few years of formal schooling.

Immature Printing

Refers to the early stages of writing development in children, where text may lack proper form or structure.