G1
* Define matter
* Matter is everything that has mass and takes up space
* How many centigrade temperature scales do you know?
* Celsius and Kelvin
What is the most disordered state?
Gas
Convert 6L to mL
6000 L
What is the volume?
Volume is the space occupied by a body or material system
* What kind of substance is the milk?
* Colloid
Which are the postulates of the Kinetic Theory of the Matter?
-The matter is formed by particles
-The particles are in continuous movement
-The particles attract each other.
What separation techniques would you use to separate a mixture of sand, water and oil?
Filtration (to separate sand) and decantation (to separate oil and water)
Which is the formula of a substance's density?
d = m / V
What does KTM mean?
Kinetic Theory of Matter
* Which is the unit of force in SI?
* Newton
What is the name given to the process in which a gas becomes solid?
Reverse sublimation
To measure the solubility, what type of solution do we need?
The saturated solution
* Is the mixing of chemicals considered Chemistry or Physics?
* Chemistry
What is the change of state that goes from liquid to gas?
Vaporization
* Name one element that can sublimate
Iodine
Which is the equivalence of 5 mbar expressed in SI units?
500 Pa
How do we measure the volume of a regular cylindrical solid?
Multiplying the base area by the heigh of the cylinder
* Which prefix is used for a quantity of 10-6
* Micro
What is a heterogeneous mixture
A mixture in which the components can be seen with the naked eye and the composition is not uniform throughout the mixture
* Describe why a solid can change into a liquid
* As the temperature goes up, atoms wiggle more, and overcome the attractive forces keeping them together; they are free to move around more
What does Charles's law state?
When the pressure on a gas is held constant, the temperature and the volume will be in direct proportion.
What is the name of the state of agreggation where the particles vibrate but do not move?
Solid
* What is vicosity?
* Viscosity is the resistance to movement of fluids and gases
How many K are -1ºC?
272K