Question 1

Milk is an aqueous colloidal suspension of ____.

Accepted Answer

Milk is a complex mixture that includes fats, proteins, dissolved lactose, and minerals, making it an aqueous colloidal suspension of all these components.

Question 2

Butter is a(n) _____ emulsion.

Accepted Answer

Butter is a water-in-oil emulsion, where water droplets are dispersed in a continuous oil phase.

Question 3

Margarine is a(n) _____ emulsion.

Accepted Answer

Margarine is a water-in-oil emulsion, where water droplets are dispersed in a continuous oil phase.

Question 4

A low fat salad dressing is a(n) _____ emulsion.

Accepted Answer

A low fat salad dressing is an oil-in-water emulsion, where oil droplets are dispersed in water.

Question 5

Water forms strong intermolecular attractions to ______.

Accepted Answer

Water forms strong intermolecular attractions, specifically hydrogen bonds, with ions due to its polar nature and ability to stabilize charged species.

Question 6

At constant temperature, the amount of gas dissolved in a liquid is directly proportional to the ________ of the gas above the liquid.

Accepted Answer

According to Henry's Law, at constant temperature, the amount of gas dissolved in a liquid is directly proportional to the pressure of the gas above the liquid.

Question 7

The process that initiates the formation of a distinct state of matter within a solution, such as bubbles (gas) or crystals (solid) is called nucleation.

Accepted Answer

Nucleation is the initial process where small clusters of atoms or molecules form in a solution, leading to the development of a new phase, such as gas bubbles or solid crystals.

Question 8

The rate at which a gas dissolves in a liquid depends partly on the __________ of contact between liquid and gas.

Accepted Answer

The rate at which a gas dissolves in a liquid is influenced by the surface area of contact between the liquid and the gas, as a larger surface area allows more gas molecules to interact with the liquid, increasing the rate of dissolution.

Question 9

Henry's Law predicts that as we ___________ the pressure of the gas over a liquid, its solubility ____________.

Accepted Answer

According to Henry's Law, the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid. Therefore, as the pressure increases, the solubility also increases.

Question 10

As the pressure of a gas decreases over a liquid, its solubility decreases.

Accepted Answer

The solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid, according to Henry's Law. As pressure decreases, solubility decreases.

Question 11

The concentration of ethanol in the blood, typically measured in grams of ethanol per 100 mL blood.

Accepted Answer

Blood alcohol concentration (BAC) is commonly measured in grams of ethanol per 100 mL of blood.

Question 12

In a normal, healthy adult, blood just leaving the lungs carries its cargo of oxygen at a concentration equivalent to what we would find in a solution at normal body temperature that is under a pressure of 100 mm-Hg of O₂.

Accepted Answer

Blood leaving the lungs is fully oxygenated, with oxygen partial pressure (PaO2) around 100 mm-Hg, matching the oxygen concentration in a solution at body temperature under the same pressure.

Question 13

Two gases constitute 99% of the (dry) air we inhale: nitrogen (78.1%) and oxygen (10.9%).

Accepted Answer

The given statement correctly states that nitrogen and oxygen constitute 99% of dry air, with nitrogen at 78.1% and oxygen at 10.9%.

Question 14

Every breath out of a normal, healthy adult is approximately 3.7% CO₂.

Accepted Answer

A normal, healthy adult exhales air that contains approximately 3.7% carbon dioxide (CO2), as the body metabolizes oxygen and produces CO2 as a waste product.

Question 15

Every breath out of a normal, healthy adult is approximately 75% O₂.

Accepted Answer

Exhaled air from a normal, healthy adult is approximately 16% oxygen, as the body uses some of the inhaled oxygen for metabolic processes.

Question 16

As cells consume O₂ and produce CO₂, the concentration of O₂ drops to 40-mm Hg and the concentration of CO₂ increases to 45-mm Hg.

Accepted Answer

In the process of cellular respiration, cells use oxygen (O2) and produce carbon dioxide (CO2). The partial pressure of oxygen (O2) in tissues typically drops to around 40 mm Hg, while the partial pressure of carbon dioxide (CO2) increases to about 45 mm Hg, reflecting the exchange of gases during metabolism.

Question 17

Oxygen gas is transported within the blood by hemoglobin.

Accepted Answer

The answer of Oxygen gas is transported within the blood...

Question 18

Oxygen gas is transported within the blood by hemoglobin.

Accepted Answer

Hemoglobin is a protein in red blood cells that binds to oxygen, allowing it to be transported from the lungs to tissues throughout the body.

Question 19

For these atmospheric gases _____ dissolves the most in water.

Accepted Answer

Carbon dioxide (CO2) is more soluble in water than nitrogen (N2), oxygen (O2), and argon due to its ability to react with water to form carbonic acid, enhancing its solubility.

Question 20

For these atmospheric gases _____ dissolves the 2^nd most in water.

Accepted Answer

The answer of For these atmospheric gases _____ dissolves the...

Quiz 7: Water and Other Solutions

Milk is an aqueous colloidal suspension of ____.

Butter is a(n) _____ emulsion.

Margarine is a(n) _____ emulsion.

A low fat salad dressing is a(n) _____ emulsion.

Water forms strong intermolecular attractions to ______.

At constant temperature, the amount of gas dissolved in a liquid is directly proportional to the ________ of the gas above the liquid.

The process that initiates the formation of a distinct state of matter within a solution, such as bubbles (gas) or crystals (solid) is called nucleation.

The rate at which a gas dissolves in a liquid depends partly on the __________ of contact between liquid and gas.

Henry's Law predicts that as we _ the pressure of the gas over a liquid, its solubility __.

As the pressure of a gas decreases over a liquid, its solubility decreases.

The concentration of ethanol in the blood, typically measured in grams of ethanol per 100 mL blood.

In a normal, healthy adult, blood just leaving the lungs carries its cargo of oxygen at a concentration equivalent to what we would find in a solution at normal body temperature that is under a pressure of 100 mm-Hg of O₂.

Two gases constitute 99% of the (dry) air we inhale: nitrogen (78.1%) and oxygen (10.9%).

Every breath out of a normal, healthy adult is approximately 3.7% CO₂.

Every breath out of a normal, healthy adult is approximately 75% O₂.

As cells consume O₂ and produce CO₂, the concentration of O₂ drops to 40-mm Hg and the concentration of CO₂ increases to 45-mm Hg.

Oxygen gas is transported within the blood by hemoglobin.

Oxygen gas is transported within the blood by hemoglobin.

For these atmospheric gases _____ dissolves the most in water.

For these atmospheric gases _____ dissolves the 2^nd most in water.

Quiz 7: Water and Other Solutions

Milk is an aqueous colloidal suspension of ____.

Butter is a(n) _____ emulsion.

Margarine is a(n) _____ emulsion.

A low fat salad dressing is a(n) _____ emulsion.

Water forms strong intermolecular attractions to ______.

At constant temperature, the amount of gas dissolved in a liquid is directly proportional to the ________ of the gas above the liquid.

The process that initiates the formation of a distinct state of matter within a solution, such as bubbles (gas) or crystals (solid) is called nucleation.

The rate at which a gas dissolves in a liquid depends partly on the __________ of contact between liquid and gas.

Henry's Law predicts that as we ___________ the pressure of the gas over a liquid, its solubility ____________.

As the pressure of a gas decreases over a liquid, its solubility decreases.

The concentration of ethanol in the blood, typically measured in grams of ethanol per 100 mL blood.

In a normal, healthy adult, blood just leaving the lungs carries its cargo of oxygen at a concentration equivalent to what we would find in a solution at normal body temperature that is under a pressure of 100 mm-Hg of O2.

Two gases constitute 99% of the (dry) air we inhale: nitrogen (78.1%) and oxygen (10.9%).

Every breath out of a normal, healthy adult is approximately 3.7% CO2.

Every breath out of a normal, healthy adult is approximately 75% O2.

As cells consume O2 and produce CO2, the concentration of O2 drops to 40-mm Hg and the concentration of CO2 increases to 45-mm Hg.

Oxygen gas is transported within the blood by hemoglobin.

Oxygen gas is transported within the blood by hemoglobin.

For these atmospheric gases _____ dissolves the most in water.

For these atmospheric gases _____ dissolves the 2nd most in water.

Henry's Law predicts that as we _ the pressure of the gas over a liquid, its solubility __.

In a normal, healthy adult, blood just leaving the lungs carries its cargo of oxygen at a concentration equivalent to what we would find in a solution at normal body temperature that is under a pressure of 100 mm-Hg of O₂.

Every breath out of a normal, healthy adult is approximately 3.7% CO₂.

Every breath out of a normal, healthy adult is approximately 75% O₂.

As cells consume O₂ and produce CO₂, the concentration of O₂ drops to 40-mm Hg and the concentration of CO₂ increases to 45-mm Hg.

For these atmospheric gases _____ dissolves the 2^nd most in water.