Chapter 2/13

question

Matter is…
answer

something that takes up space and has mass.
question

Matter consists of…
answer

Mass, volume, and intense properties
question

Mixtures are…
answer

A blend of two or more substances
question

Mixtture’s compostion is…
answer

A variable compostion with no formulas.
question

Mixtures are seperated by…
answer

Physical means.
question

The 4 ways mixtures can be seperated are…
answer

By, magnet, filtration, evaporation, and disilation are means that — can be seperated?
question

What type of properties do pure substances have?
answer

Definte properties are that of what?
question

Pure substance composition is…
answer

Regular using one symbol or formula compostion is that of…
question

A heterogenous mixture means…
answer

this mixture is different.
question

a homogenous mixture means..
answer

This mixture is the same.
question

A heterogenous mixture’s compostions is…
answer

non-uniform, uneven. This is the compostion of …
question

A homogenous micture’s compostions is
answer

evenly distrubuted is the compostion of…
question

A solution is…
answer

When something dissolve in a solvent is called?
question

Elements are…
answer

The simplest form of matter – cannot be seperted even by chemical reaction.
question

Elements are definted as…
answer

Teh building blocks for all other substances are the…
question

Compunds are…
answer

2 or more elements chemically combined.
question

How can compunds be broken down?
answer

By chemical means only these can be what?
question

Compounds are difned as…
answer

a chemical formula with its own unique properties.
question

Physical Property
answer

A quality or condition that can be observed or measured without changing the substance’s compostion.
question

A physical property consists of what?
answer

Mass, volume are in what?
question

Chemical Property
answer

The ability of a substance to undergo chemical reactions and form new substances.
question

Chemical Change
answer

One or more substances changing into new substances.
question

Reactants convert to…
answer

products convert to…
question

What are four indicators of a chemical change?
answer

Colour change, Formation of a solid, evolution of gas (bubbles), change of energy (temperature) are all indicators of what?
question

The Conservation of Mass states…
answer

In physical or chemical reactions, mass can neither be created nor destoryed is what?
question

The Kinetic Theory of gases is composed of…
answer

Small particles whose size is insignificant to volume occupied composes what?
question

Equal volume of gas means…
answer

equal number of gas particles mean…
question

Gas particles are always…
answer

in constant random motion (diffusion) what do this?
question

A particle’s motion is…
answer

The motion of a — is in a straight line and only changes when it collides.
question

Gas particle collisions are what?
answer

Perfectly elastic are the what?
question

Gas Pressure
answer

The force exerted per-unit surface area is what?
question

Gas Pressure is due to…
answer

Collisions of billions of molecules cause…
question

Vacuum
answer

No praticles, no collisons, no pressure.
question

Atompheric pressure is due to…
answer

Collisions of air molecules with objects is called what?
question

Atmospheri pressure is measured with…
answer

a barometer measures…
question

Wet air is lighter because
answer

of the water vapour in wet air makes it…
question

Pascal (Pa)
answer

SI Unit of Pressure
question

1 atm = …kPa
answer

101.3 kPa = …atm
question

1 atm = …mmHg
answer

760 mmHg = …atm
question

1 atm = …PSI
answer

14.7 PSI = …atm
question

Average kinetic energy determines…
answer

The tempertaure of a substance is determined by the — of the particles.
question

Substances at the smae temperature have the same kinetic energy regardless of phase because
answer

Having the same temperature means the kinetic energy is…
question

No Kinetic Engery at…
answer

0 Degrees Kalvin ABSOLUTE ZERO
question

Kinetic Energy is based on what scale?
answer

The Kalvin scale bases…
question

Liquid particles are…
answer

close together are the particles of…
question

In liquids the force is…
answer

Weak attractive forces in what?
question

Liquid particles can move how?
answer

Paritcles are able to move past eachother and flow in…
question

Vapourization is…
answer

liquid to gas is…
question

When boiling the pressure is…
answer

Liquid pressure = outside pressure when doing what?
question

Evaporization takes place at…
answer

the surface only is the place that… takes place.
question

Evaporization pressure goes…
answer

Temperature goes down during —
question

Vapour pressure is measured with…
answer

a manometer measures…
question

When particles evaporate, vapor pressure….
answer

Building up and then eventually reaching equilibrium is what — does
question

Dynamic equilibrium can be defineded by
answer

The rate of condensation = rate of vapourzation summarizes…
question

The force of the particles of a solid are…
answer

Strong attractive forces between particles with no flow describes…
question

Most solids are what is shape?
answer

Crystalline in shape are…
question

Crystals are arranged in…
answer

An orderly repeatable 3D pattern are that of…
question

Unit Cell
answer

The smallest group of particles in crystal that retains its shape.
question

Allotropes
answer

Two or more structural forms of the same element.
question

Carbon would be an example of…
answer

An example of an allotropes would be…
question

Amorphous
answer

Solids that are not crystalline in shape.
question

Rubber, plastic, and asphalt are examples of…
answer

Some examples of amorphous solids would be…

Get instant access to
all materials

Become a Member