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12 Cards in this Set

  • Front
  • Back
What is mass?
The amount of matter in an object or substance; the more matter, the greater the mass
What is weight?
The amount of force on an object due to gravity
What are the main points in KMT?
1. All matter is made up of very small particles
2. There is empty space in between particles
3. Particles are constantly moving and collide
What is thermal expansion?
An increase of volume in a substance when its temperature is raised
What is thermal contraction?
A decrease in volume in a substance when its temperature is lowered
What are the state changes?
Gas condenses into liquid; liquid solidifies into a solid; solid sublimes into a gas; gas deposits into a solid; solid melts into a liquid; liquid evaporates into a gas
What is temperature?
A measure of the kinetic energy of the particles in a substance
What is heat?
Thermal energy transferred from a warmer material to a cooler material
What is density?
The mass of a given volume
What are the calculations for density?
D= M/V; M=DV; V=M/D
What is the density of a 2 cm cubed sugar cube that has a mass of 3.18 g?
1.59g/mL
A 3 mL sample of oil has a mass of 2.64g. What is the density of the oil?
.88g/mL