matter in our surroundings

Asked by  | 1st May, 2008, 06:38: PM

Expert Answer:

a )   water at room temp is liquid because at room temp

1 intermolecular forces of attaraction is more the gas bt less then solid

2 kinetic energy of molecules is less then that of gas bt more then that of solid

so molecules r less compact n free to move within liquid

b iron is solid at room temp because in  iron at room temp

1 intermolecular fores r very high

2 kinetic energy of molecules is very less

so molecules r compactly packed n canvibrate at their mean positin only

Answered by  | 6th May, 2008, 01:46: PM

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