Physical Properties of Substances

Front

What is a supersaturated solution?

Back

A supersaturated solution is a solution that contains more dissolved solute than it can theoretically hold at a given temperature. It is unstable and can precipitate solute if disturbed.

Front

Which state of matter has the most kinetic energy?

Back

Gas has the most kinetic energy among the three states of matter (solid, liquid, gas) because its particles are far apart and move freely.

Front

What effect does cooling water have on dissolving sugar?

Back

Cooling the water slows down the kinetic energy of the molecules, making it less effective for dissolving sugar quickly.

Front

What type of solvent is needed to dissolve oil?

Back

A nonpolar solvent is required to dissolve oil because oil molecules are nonpolar and do not mix with polar solvents.

Front

What is a property of metals?

Back

Metals are malleable, meaning they can be hammered or rolled into thin sheets without breaking.

Front

Define kinetic energy in the context of states of matter.

Back

Kinetic energy is the energy of motion; in states of matter, it refers to the movement of particles, which varies with the state (solid, liquid, gas).

Front

What is the difference between saturated and unsaturated solutions?

Back

A saturated solution contains the maximum amount of solute that can dissolve at a given temperature, while an unsaturated solution can still dissolve more solute.

Front

Why do nonpolar solvents dissolve nonpolar substances?

Back

Nonpolar solvents dissolve nonpolar substances due to the principle of 'like dissolves like', meaning similar types of molecules interact favorably.

Front

What is malleability?

Back

Malleability is the ability of a material, especially metals, to be deformed or shaped under compressive stress without breaking.

Front

What happens to the solubility of a gas in a liquid when temperature increases?

Back

The solubility of a gas in a liquid generally decreases as temperature increases, as gas molecules gain kinetic energy and escape from the liquid.