Genchem

Increases

What happens to the surface area of a liquid droplet when it is placed on a surface with high adhesion?

Crystalline solid

What type of solid has a highly ordered arrangement of atoms or molecules, with strong bonds holding them together?

Covalent

Which of the following is NOT a type of crystalline solid?

Anisotropic nature

What property of crystalline solids allows them to cleave along specific planes?

Amorphous solid

What type of solid lacks a well-defined arrangement of atoms or molecules?

Molecular solid

Which type of solid typically has a relatively low melting point and is often transparent?

Lack of long-range order

What property of amorphous solids distinguishes them from crystalline solids?

crystalline

Precipitate is forming in a solution. You have noticed that the precipitate forming is having a rhombohedral lattice. This precipitate is said to be ____.

Free movement of electrons

What property of metallic solids allows them to conduct electricity?

Amorphous solid

Which type of solid exhibits properties of both a solid and a liquid, such as flowing under pressure?

intermolecular force

Force that pulls the particle together.

always true

Temperature can change the phase of matter.

plasma

Phase of matter that consists of charged particles or ions.

liquid

It has fixed volume and mass.

liquid

It has no fixed shape but has volume.

gas

It has no fixed shape and volume.

liquid

It takes the shape of its container.

very slow

In Bose-Einstein Condensate, if gas particles were exposed to temperature near absolute 0, how will its particles behave?

melting

Change from solid to liquid.

condensation

Process of changing gas to liquid.

deposition

Process of changing gas to solid.

Gas particles are in constant random motion

According to the kinetic molecular theory, which of the following statements about gas particles is true?

Volume of the container

Which of the following factors does NOT affect the average kinetic energy of gas particles, as described by the kinetic molecular theory?

boiling point

Refers to the temperature at which its vapor pressure is equal to the external or atmospheric pressure.

Remains constant

At a constant temperature, according to the kinetic molecular theory, what happens to the average kinetic energy of gas particles if the volume of the container decreases?

Increases

According to the kinetic molecular theory, what happens to the pressure of a gas if the temperature is increased while keeping the volume constant?

Gas particles have a volume that is negligible compared to the volume of the container

According to the kinetic molecular theory, which of the following statements about the volume of gas particles is true?

Decreases

What happens to the density of a liquid as its temperature increases?

Temperature

Which factor primarily determines the rate of evaporation of a liquid?

boiling point

What is the term for the temperature at which a liquid changes into a gas at atmospheric pressure?

Increases

What effect does increasing pressure have on the boiling point of a liquid?

Surface tension

Which property of liquids allows insects like water striders to walk on their surface?

vapor pressure

Refers to the pressure exerted by the vapor when in equilibrium with its liquid or solid.

boiling point

Refers to the temperature at which its vapor pressure is equal to the external or atmospheric pressure.

100°C

Boiling point of water.

solid

This can be classified as crystalline or amorphous.

crystalline solid

Have highly regular arrangement of particles.

silicon

Amorphous solid that is used in solar cells and film transistors.

crystalline solid

Has a well-defined lattice.

unit cell

Smallest repeating unit of a lattice.

ionic solids

Example of this is sodium chloride that has ions at different points of the lattice.

solute

The one that is being dissolved in a solution.

solution

Is a mixture that is uniform in composition.

saturated

It contains the maximum amount of solute that the solvent can dissolve.

3

The formation of a liquid solution takes place how many steps?

enthalpy of solution

Enthalpy that is associated with the formation of the solution.

endothermic

Refers to the process where more energy is used when bonds are broken than is released when new bonds are formed.

exothermic

Refers to the process where there is more energy released when new bonds form than is used when bonds are broken.

all of the above

The water strider floats on water and is able to move without submerging. This is because ___?

this is because water is less viscous than oil and honey.

A glassful of water is easy to flow compared to a glassful of oil or honey. This is because __?