Rate of Dissolving LAB

Front

What are the four factors that affect how quickly a substance will dissolve in a liquid?

Back

Temperature, Pressure, Particle Size, and Concentration.

Front

In what situations does sugar dissolve at a faster rate?

Back

When stirred into warm water.

Front

Is the dissolving of sugar in water a physical change or a chemical change?

Back

Physical change.

Front

What happens to the dissolving rate of a substance when placed in hot water compared to ice cold water?

Back

It dissolves faster in hot water.

Front

Identify the solute(s) and solvent(s) in a glass of lemonade.

Back

Solute: Sugar and Lemon juice, Solvent: Water.

Front

Define solute.

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

Define solvent.

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

Front

What is a solution?

Back

A solution is a homogeneous mixture composed of two or more substances.

Front

How does temperature affect the rate of dissolving?

Back

Generally, increasing the temperature increases the rate of dissolving.

Front

What is particle size and how does it affect dissolving?

Back

Smaller particle sizes increase the surface area, leading to faster dissolving.