Nature Of Gases
Nature of Liquids
Nature of Solids
Changes of State
Random
100
What is the kinetic theory?
All matter consists of tiny particles that are in constant motion.
100
What properties are specific to a Liquid?
A liquid has particles that move slowly and do bounce off each other but not as much. They are closer together than gases but not as close as a solid's particles.
100
What are non-crystalline forms solids called and how are they different?
They are called amorphous solids and they lack an ordered internal structure.
100
What is sublimation and how can it happen?
Sublimation is the change of a substance from a solid to a vapor without passing through the liquid state. It can occur because solids have vapor pressure and so it happens when this exceeds room temperature.
100
How do all three states of matter, liquid, solid and gas, relate?
All of these are composed of particles that move and create a certain structure.
200
What indentifies the particles of a gas?
They are considered to be small and in constant motion. They move fast, constantly and at random. They collide elastically.


200
What property make a liquid different from a gas? 

According to the Kinetic theory, there are no attractions between particles in a gas, but there is in liquids. That's why gasses are less controlled then liquids and why gasses are more dense.

200

What properties are specific to a crystal solid for a substance?

They have sides or faces and each crystal is related to a certain substance.
200
What types of substances go through sublimation?
Sublimation happens in solids that have vapor pressures that usually exceed atmospheric pressure.
200
How are the three states of matter different? (Liquid, Solid, Gas)
Liquids particles move slowly. Solid's particles only vibrate. Gas's particles, move fast and at wide ranges.

Liquids evaporate, and Solids melt while Gases Condensate.

Other...

300
How is that Gas particles collide, and what does that tell you about their structures?
Gas particles collide elastically and they bounce around in random places but travel in a straight line. This explains how gasses fit into any container and take it shape. It also explains its indefinite shape.
300
What is evaporation and how does it relate to kinetic energy?
evaporation is the conversion of a liquid to a gas without boiling it. During evaporation, only the molecules with a minimum kinetic energy can go through this process.
300

What is the differences between a Solid's Particles and a Liquid's particles?

Solid's particles are stacked tightly and vibrate- not move- in a certain point, liquid's are stable and stay close but they move around and quickly.

300
Give an example of Sublimation that we can see in our day to day?
When we hang wet laundry in a clothes line on a very cold day, the water freezes to ice but if they day is sunny, the clothes become dry either way. (Other examples can be answered)
400
What is Gass Pressure and how is it measured?
Gass pressure is the force exerted by a gas and it is the result of billions of rapid moving particles colliding with an object. It is measured by a Barometer.
400
What is Vapor Pressure? What equilibrium exists there?
Vapor Pressure is the measure of a force exerted by a gas above a liquid. The constant vapor pressure creates a dynamic equilibrium between the rate of evaporation and of condensation.
400

What properties are specific to Solids?

1.) Particles are tightly packed together.

2.) They vibrate in a fixed point.

3.) They have high melting points

4.) When heated, they break down because of rapid vibrating particles.

400

How is Sublimation used for our purposes ?

Some chemists use it for separating mixtures and to purify compounds. It is also used to make some products , such as freeze-dried coffee and dry ice.

500
What are the measurements for Pressure?
Pa or Pascal is a very small amount of pressure. ATM, or one standard atmosphere is the pressure required to support 760 mm of mercury in a mercury barometer.
500
What is Boiling Point and how does that relate to Pressure changes?
Boiling points is the point where a liquid's particles has enough energy to vaporize. This relates to pressure because different pressures change the boiling point. Boiling points decrease at higher altitudes and Boiling points increase in lower altitudes.
500
How is Glass an example of an amorphous solid? Mention an example if possible.
It is a transparent fusion pf inorganic substances that have cooled to a rigid state without crystallizing, therefore, they have irregular internal structure. Ex:If you break a crystalline solid, it will have the same angles that it did when it was complete. On the other hand, if you break Glass, it is shattered into incomplete irregular angles.
500

What are phase diagrams? What are they used for?

A phase diagram gives the conditions of pressure and temperature at which a substance exists as solid, liquid or gas. It is used to measure this in cerain substances, such as water and it is a visual aid.

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