The Distance Between Two Hydrogen Atoms in a Hydrogen Molecule

question 104

Multiple Choice

The distance between two hydrogen atoms in a hydrogen molecule (H2) is 7.461 × 10^-11m.What is the equivalent distance expressed in inches?
[2.54 cm = 1 in]

• A)2 × 10^-9 in
• B)1.895 × 10^-12 in
• C)294 × 10^-11 in
• D)2.937 × 10^-9 in
• E)2.94 × 10^-8 in

Identify examples and applications of surface tension.

Describe the process and significance of dehydration synthesis in biomolecules.

Recognize the types of bonds that occur between atoms and molecules, and their importance in biological structures and reactions.

Understand pH levels, the scale, and its implications in biological systems.

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Definitions:

Nasal Septum

A structure that divides the nasal cavity into a left and right portion.

Cilia

Hair-like projections from the outside of the cell membrane on some cell types.

Pharynx

The membrane-lined cavity behind the nose and mouth, connecting them to the esophagus, part of the digestive and respiratory systems.

Respiratory Rate

The number of breaths taken per minute, an important vital sign indicating the efficiency of the respiratory system.