What Is the Oxidation Number of the Nitrogen in [NO₃]

question 22

Multiple Choice

What is the oxidation number of the nitrogen in [NO₃] ^- ?

• A) +3
• B) - 2
• C) +5
• D) +4
• E) none of these

Acknowledge the necessary conditions for correctly coupling a tractor's fifth wheel to a trailer's upper coupler.

Assess the reasons for and implications of different fifth wheel and upper coupler issues (e.g., high hitch condition, distorted bolster plates).

Understand the types and components of 5th wheels used in the trucking industry.

Recognize the couplings and connections in different trailer combinations.

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Definitions:

Oxygen-rich Blood

Blood that has been oxygenated in the lungs and is carried to the body's tissues.

Pulmonary Circuit

The pathway by which blood travels from the heart to the lungs to be oxygenated and then back to the heart.

Systemic Circuit

The part of the cardiovascular system that carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart.

AV Valves

Atrioventricular valves are valves in the heart that lie between the atria and the ventricles to prevent the backflow of blood during ventricular contraction.