(a) State one difference between a gas and a vapour.
(b) Why gases, are compressible but not liquids?
(c) Explain the effect of temperature on the movement of particles?
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gas refers to a substance that has a single defined thermodynamic state at room temperature whereas a vapor refers to a substance that is a mixture of two phases at room temperature, namely gaseous and liquid phase. ... A vapour can co-exist with a liquid or solid when they are in equilibrium state. ( a )
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a) Gas is state of matter wheras vapour is not
b) gas can easily get compressed because of moleculer spaces between then, this space is less in liquid(liquid can also get compressed but not that much)
c) increase in temperature can make the particles move. When the particles start to move they then concert into next stage. Let's say that a solid is heated, it will convert to liquid and if further heated then to gas
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