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The 8 characteristics of matter
Weight, mass, attraction, porosity, impenetrability, density, volume, and specific gravity
The ratio between the weight of a given volume of a material to the same volume of pure water
3 ways pressure is measured
Gauge pressure (psig), Absolute pressure (psia), Differential pressure (psid)
Kinetic theory of gases
Molecules spread apart are always in constant motion due to agitation caused by heat
Changing volume of a confined gas held at a constant temperature is direct to gas pressure changing or if the temperature of a gas is held constant, the volume is decrease, the pressure will increase.
The volume of a gas held constant, but the pressure increases and decreases in direct proportion to the change in absolute temperature
Pressure applied to a confined liquid, that liquids then exerts an equal amount of pressure in right angles to the container that encloses it
Force of an object in motion, and the tendency of a body to continue in motion after being placed in motion
BTU or British Thermal Unit (1BTU = 778 ft-lbs), or Metric System is Calories = 0.42 meter-kilogram or 3.09 ft-lbs of work
Physical contact between a body having a high level of heat and a body having a lower level of heat
When a longitudinal sound wave strikes a flat surface, sound is then reflected in a consistent manner if the dimension of the reflective surface is large compared to the wavelength of the sound
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