define M.p, b.p,
critical temperature,
specific heat constant
critical pressure
latent heat of vapourization
viscosity
di electric constant
surface tention
Answers
1)boiling point --the boiling point of a substance is the temperature at which the vapour pressure of the liquids equal the pressure surrounding the liquid and the liquid changes into a vapour
2)melting point ---The melting point (or, rarely, liquefaction point) of a solid is the temperature at which it changes state from solid to liquid at atmospheric pressure. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at standard pressure. When considered as the temperature of the reverse change from liquid to solid, it is referred to as the freezing point or crystallization point.
3) critical temperature--The temp at or above which we cannot liquefy gas/vapor into liquid no matter how much pressure you apply.
4)specific:h:con--Specific heat capacity is the amount of heat energy required to raise the temperature of a substance per unit of mass. The specific heat capacity of a material is a physical property. It is also an example of an extensive property since its value is proportional to the size of the system being examined
5)crit:pres--Pressure required to liquefy gas at critical temp.
6)latent ---the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation. Compare latent heat. heat of vaporization in Science.
7)vis--Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction.
8)di electric con---The dielectric constant is the ratio of the permittivity of a substance to the permittivity of free space. It is an expression of the extent to which a material concentrates electric flux, and is the electrical equivalent of relative magnetic permeability.
9)sur: ten---the attractive force exerted upon the surface molecules of a liquid by the molecules beneath that tends to draw the surface molecules into the bulk of the liquid and makes the liquid assume the shape having the least surface area.
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M.p- melting point- The melting point of a solid is the temperature at which it changes state from solid to liquid at atmospheric pressure.
B.p- boiling point- Boiling Point is the temperature at which a liquid evaporates and becomes a gas.
Specific heat constant- It is denoted by Q. It is the amount of heat per unit mass required to raise the temperature by one degree Celsius. Q= cmΔT
Critical pressure- The critical pressure of a substance is the pressure required to liquefy a gas at its critical temperature.
Latent heat of Vapourization- It is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure.
Viscocity- Measure of the restricting force in liquids. (It's like friction, except it's for liquids)
Di electric constant- A quantity measuring the ability of a substance to store electrical energy.
Surface tension- The attractive force exerted upon the surface molecules of a liquid by the molecules beneath that tends to draw the surface molecules into the bulk of the liquid.