The Relative Energies (Strengths) of the Intermolecular Forces Between Five

question 34

Multiple Choice

The relative energies (strengths) of the intermolecular forces between five different substances are shown in the figure below.Which substance has the lowest boiling point?

• A)a
• B)b
• C)c
• D)d

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Definitions:

Cardiac Muscle Cells

Specialized muscle cells in the heart that contract to pump blood throughout the body; also known as cardiomyocytes.

Voltage-Gated Channels

Protein channels that open or close in response to changes in the membrane potential.

Na+ Channels

Protein pores in the membranes of cells that allow the passage of sodium ions (Na+) into or out of the cell, crucial for the initiation and propagation of electrical signals in neurons and muscle cells.

Ca2+ Channels

Protein channels in cell membranes that allow the movement of calcium ions (Ca2+) into or out of a cell, playing critical roles in cellular functions.