Factors Affecting Dissolving

Stirring a solution makes solid dissolve faster.

• True

• False

Heating a solution makes solutes ___________ faster.

• dissolve

• to become solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Heating makes solid dissolves faster because heat speeds up the particles and allows to spread through the solution more easily.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Smaller grains dissolve faster than larger grains.

• True

• False

Which of the following factors affect the rate of dissolution of a solute in an aqueous solution?

• The surface area of the solute

• Temperature

• Color of the solute

• Agitation

What are the three factors that can affect the rate of dissolution?

• Temp, surface area, agitation

• Temp, density, and solubility

• Temp, agitation, and volume

• Temp, surface area, and solubility

Which of the following does NOT affect the rate of dissolution of a solute?

• Time of day

• Temperature

• Surface Area

• Agitation

Increase the rate of dissolution by ___.

• Heating it, Crushing it Stirring it

• Heating it, cooling it crushing it

• Stirring it, Crushing it cooling it

• Smelling it, crushing it, stirring it

Match the following scenarios with their effects on the rate of dissolution.

• Cooling the solvent

• It remains the same

• Using a solvent at constant temperature

• It increases

• Heating the solvent

• It decreases

• Changing the solvent temperature from low to high

• It first decreases, then increases

Tags

DOK Level 2: Skill/Concept

Which factor does NOT affect the rate of dissolution?

• Temperature

• Surface area

• Agitation

• Color of the solute