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has no definate shape or volume


matter that has a definate volume but no definate shape

gas particals

forces of attraction are weak among.....


forces of attraction limit the motion of pariticals most in a......


a force distibruted over an area

gas pressure

collisions of helium atoms and the walls of a closed container cause.....


tempurature, volume, and number of particals affect the pressure of an enclosed.......


increasing the number of particals will increase the... of a gas


law that states that the volume of a gas is directly proportional to its temperature


law that states that the volume of a gas is inversely proportional to its pressure if the temperature and number of particles are constant

phase change;physical change

water changing from a solid to a liquid is an example of a.... that is also a....


during a phase change, the temperature of the substance remains...


the arrangment of water particals becomes more... during freezing

fixed positions

when ice melts, water molecles move from their...


the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is.....


phase change in which a substance changes from a gas directly to a solid is.....

P 1 V 1 = P 2 V 2


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