EFFECTS OF IMFA ON THE PROPERTIES OF A SUBSTANCES

Question 1

depend on the strength of their intermolecular forces (IMFA) because these forces dictate how molecules interact and behave in different conditions.

Answer 1

properties of molecule

Question 2

the measure of how much solute can dissolve in a solvent at a given temperature and pressure, resulting in a uniform solution.

Answer 2

solubility

Question 3

It varies for different solutes and solvents; for example, sugar dissolves well in water, while oil does not.

Answer 3

solubility

Question 4

is influenced by factors such as temperature, pressure, and the chemical nature of the substances involved.

Answer 4

solubility

Question 5

When molecules have strong intermolecular forces of attraction, they are packed close together.

Answer 5

phases of molecule at room temperature

Question 6

Strong imfa often exist as condensed phase (solid or liquid) at room temperature.

Answer 6

phases of molecule at room temperature

Question 7

When molecules have a weak imfa, they are far apart from each other and they often exist as gas at room temperature.

Answer 7

phases of molecule at room temperature

Question 8

Temperature at which the substances changes from solid to liquid under standard atmospheric pressure.

Answer 8

melting point

Question 9

At this specific temperature, the molecules in the solid gain enough energy to overcome intermolecular forces, allowing them to move freely and transition into the liquid phase.

Answer 9

melting point

Question 10

varies for different substances and is influenced by factors like pressure and molecular structure

Answer 10

melting point

Question 11

is the temperature at which a liquid transitions to a gas at a given atmospheric pressure.

Answer 11

boiling point

Question 12

At this temperature, the vapor pressure of the liquid equals the surrounding pressure, allowing bubbles of vapor to form within the liquid.

Answer 12

boiling point

Question 13

varies for different substances and is influenced by factors such as atmospheric pressure and impurities.

Answer 13

boiling point

Question 14

the tendency of a liquid to acquire the least possible surface area, allowing small objects to f bat on it.

Answer 14

surface tension

Question 15

is like a skin on top of the liquid, holding its shape and creating a surface that allows for small insects and light objects to f bat in it. It’s because the water molecules are sticking together tightly.

Answer 15

surface tension

Question 16

It is the measure of a liquid’s resistance to f bw.

Answer 16

viscosity

Question 17

It describes how thick or sticky a liquid is; for example, honey has a higher ______ than water because it f bws more slowly.

Answer 17

viscosity

Question 18

is influenced by factors such as temperature and the molecular structure of the liquid

Answer 18

viscosity

Question 19

is the pressure exerted by the vapor (gas) of a liquid when it is in equilibrium with its liquid phase in a closed container.

Answer 19

vapor pressure

Question 20

This means that some molecules of the liquid escape into the gas phase, while others return to the liquid phase.

Answer 20

vapor pressure

Question 21

7 properties of molecule

Answer 21

1. solubility
2. phases of molecule at room temperature
3. melting point
4. boiling point
5. surface tension
6. viscosity
7. vapor pressure