practrice test
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which state of matter has a definite shape and volume?
a solid
other than solid,liquid,and gas what are the other two states of matter?
Bose-Einstein condensate, and plasma
what is absolute zero? what is absolute zero in Celsius degrees?
A temperature of zero kelvins. -273 c
according to Boyle law if the pressure exerted on a gas increases what will happen to its volume?
decrease
what is the opposite of melting
freezing
if you tie a balloon to a heavy rock and drop it in a pond what will happen to the volume of the balloon as its sinks
will decrease
exothermic and a example
a description of a change in which a system releases energy to its surroundings a example freezing
which state of matter does not have a definite shape or volume
a gas
whats heat of fusion
the energy a substance must absorb to change from a solid to a liquid.
three factors that affect gas pressure
volume, temperature, number of particles
what is the opposite of vaporization
condensation
explain how the arrangement of particles in matter differ between solids, liquids and gases
particles in a gas have no arrangement, solids tightly pack in a regular pattern, liquids are close with no arrangement
name and explain the differences in two types of vaporization
evaporation occurs at temperatures below the boiling point and occurs on the liquids surface. boiling is a rapid vaporization that occurs at or above the boiling point tempature is at or below the liquids surface
state of matter has a definite shape volume but not shape
a liquid
endothermic and example
endothermic absorbs energy from its surroundings melting is a example
according to charles law if the tempeture of a gas increases its volume will
icrease