what is the m.p
b.p, critical temperature &pressure,
spacific heat capacity,
latent heat capacity
viscosity , di electric constant
and surface tention of H2O, HF,SO4,NH3
Answers
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Answers:-
Melting Point (M.P.) ==> It is defined as the temperature at which solid starts to change its phase into liquid.
Boiling Point (B.P.) ==> It is defined as the temperature at which liquids starts to evaporate i.e changing its phase into gas.
Critical Temperature ==> The critical temperature of a substance is the temperature at the above which vapor of the substance cannot be liquefied, no matter how much pressure is applied.
Critical Pressure ==> The critical pressure of a substance is the subject pressure required to liquefied a gas at its critical temperature.
Spacific heat capacity ==> Energy required to change a unit mass of a material by 1°C. Units: energy per unit mass per degree.
Latent heat Capacity ==> Energy required to change the states (solid, liquid and gas) of a unit mass of material. Units: energy per unit mass.
Viscosity ==> Viscosity is another type of bulk property defined as a liquid's resistance to flow. When the intermolecular forces of attraction are strong within a liquid, there is a larger viscosity.
Di Electric Constant ==> A measure of a substance's that ability to insult charges from each other.
Surface tention ==> Small insects such as the water strider can walk on water because their weight is not enough to penetrate the surface.
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////surface tention of H2O,HF,SO4,NH3----
The surface tension of water is 72 dynes/cm at 25°C.it would take a force of 72 dynes to break a surface film of water 1cm long. the surface the surface tension of water decreases significantly with temperature as shown in the figure or graph the surface tension arises from the polar nature of the water molecule.
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