Unit A: Mix And Flow Of Matter Flashcards
WHMIS stands for..
Workplace Hazardous Material Information System
Name 6 examples of WHMIS
Reactive Material
Flammable Material
Poisonous Material
Electrical Hazard
Explosive Hazard
Corrosive Material
Oxidizing Material
Compressed Gas
Biohazardous Infectious Material
Irritant Hazard
What is Particle model of matter?
A model that describes the arrangement and movement of particles in a substance.
What is the useful property of fluids?
Involved in transportting, processing, and using materials
Which is more compressible, gas or liquid?
Gas
Why are gases more compressible?
There is more space inbetween the gas particles.
Classify solid matter.
Keeps its shape and keeps its total volume.
Classify liquid matter.
Takes the shape of it’s container, keeps its total volume.
Classify gas matter.
Takes the shape of it’s container, changes volume to fill it’s container.
What are the 2 classifications that matter is divided into?
Pure substances and mixture.
What are pure substances?
made of only one kind of matter, cannot be seperated into different substances.
What are mixtures?
combination of different substances in which they are easily seen.
Define a heterogenous mixtures.
a mixture that you can see the different substances that make up the mixture
Define homogenous mixtures.
mixture of 2 or more pur substances that looks like one substance.
Dissolving one substance into another makes a..?
Solution.
Define solute and solvent.
Solute- substance that dissolves in a solvent to form a solution.
Solvent- substance that dissolves a sulute to form a solution.
What is the solution called when large amounts of solute are in a solution?
A concentrated solution.
Define concentration.
the amount of solute dissolved in a specific amount of solvent in a solution.
What is the formula for concentration?
g/mL or kg/L (kg = 1000g, L = 1000mL)
What is solubility?
The ability to dissolve.
What are the factors that influence solubility?
Temperature, pressure, molecule size, agitation.
What is saturation point?
The point at where a substance can no longer absorb/dissolve solute.
Define viscosity. How does temperature effect it?
The measure of a fluid’s resistance to flow. The higher the temperature, the less vicious, the lower the temp, the more viscious.
What is flow rate? What is the formula?
the amount of fluid that flows in a given time across a given distance. (distance/time.)
What is density? How do you calculate it?
the amount of matter in a given volume or mass per unit of volume. (D = M/V)
Describe pressure.
the amount of force pushing against a given area.
What is buoyancy?
tendency of an object to float when placed in a fluid.
