Characterize EACH of the Three Given Statements as Being TRUE

question 22

Multiple Choice

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) 2.0 moles of NO contains the same number of oxygen atoms as 1.0 mole of CO₂.
(2) The coefficients in a balanced equation give the fixed molar ratios between reactants and products.
(3) Avogadro's number is an experimentally determined quantity.

• A) All three statements are true.
• B) Two of the three statements are true.
• C) Only one of the statements is true.
• D) None of the statements is true.

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Definitions:

Salt Concentration Gradient

A variation in the concentration of salt across a distance, affecting the movement of substances in biological systems.

Glomerulus

A network of capillaries located in the kidney that filters blood to form urine.

Capillaries

The smallest blood vessels in the body, responsible for the exchange of nutrients and waste materials between the blood and tissues.

Secretion

The mechanism whereby compounds are synthesized and expelled from a cell, gland, or organ, either to fulfill a specific task in the body or to be excreted.