What Is the Maximum Theoretical Efficiency Possible for a Heat

question 19

Multiple Choice

What is the maximum theoretical efficiency possible for a heat engine operating between a reservoir in which ice and water coexist,and a reservoir in which water and steam coexist? The pressure is constant at 1.0 atmosphere for both reservoirs.

• A) 27%
• B) 45%
• C) 73%
• D) 17%

---

Definitions:

Membrane-Bound Organelles

Structures within a cell that are surrounded by a lipid bi-layer membrane, each performing a distinct function.

Cytoplasm

The gel-like substance inside a cell, excluding the nucleus, which contains cell organelles and is the site of numerous cellular processes.

Peptidoglycan

A polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of most bacteria, providing structural support and shape.

Archaeal Cell Walls

The rigid or semi-rigid component that surrounds cells of archaea, differing in composition from bacterial and eukaryotic cell walls.