Table of Contents
- 1 What affects the conductivity of a metal?
- 2 Does solubility affect conductivity?
- 3 How factors influence on EC?
- 4 What causes conductivity to increase?
- 5 How does salt concentration affect conductivity?
- 6 What factor determines the conductivity of substance?
- 7 What is conductivity and how is It measured?
What affects the conductivity of a metal?
Metals conduct electricity by allowing free electrons to move between the atoms. Atoms of different size or atomic weight will vibrate at a different rate, which changes the pattern of thermal conductivity. If there is less energy transfer between atoms, there is less conductivity.
What can affect the conductivity of water?
Conductivity in water is affected by the presence of inorganic dissolved solids such as chloride, nitrate, sulfate, and phosphate anions (ions that carry a negative charge) or sodium, magnesium, calcium, iron, and aluminum cations (ions that carry a positive charge).
Does solubility affect conductivity?
The warmer the solution, the higher the solubility of the material being dissolved and therefore the higher the conductivity as well.
Does conductivity depend on pressure?
Pressure doesn’t have any significant affect on its thermal or electrical conductivity since they are almost incompressible. Gases: Due to increase in pressure, number of collisions increases and hence energy dissipation due to such inelastic collisions leads to decrease in thermal conductivity of gases.
How factors influence on EC?
Inherent factors affecting EC include soil minerals, climate, and soil texture. Other factors include bulk density, soil structure, water potential, timing of measurement, soil aggregation, and electrolytes in soil water. Salts originate from the disintegration (weathering) of minerals and rocks.
Why does concentration affect conductivity?
The conductivity is determined by the number of charge carriers, how fast they move, and how much charge each one carries. Hence, for most aqueous solutions, the higher the concentration of dissolved salts, which will lead to more ions, the higher the conductivity.
What causes conductivity to increase?
Conductivity is a measure of the ability of water to pass an electrical current. Because dissolved salts and other inorganic chemicals conduct electrical current, conductivity increases as salinity increases.
Why does conductivity increase with concentration?
As you increase the concentration of the solution you get more charge carrying ions, so the conductivity increases. But because the ions get closer together they begin to interact and slow each other down so the conductivity per mole of the ions is reduced.
How does salt concentration affect conductivity?
NaCl concentration has a linear effect on the conductivity value of NaCl solution, the higher the NaCl concentration, the higher the conductivity of the solution.
What is the cause of high conductivity?
Factors that affect water volume (like heavy rain or evaporation) affect conductivity. Runoff or flooding over soils that are high in salts or minerals can cause a spike in conductivity despite the increase in water flow.
What factor determines the conductivity of substance?
Nature of Electrolyte. Conductivity of an electrolyte depends upon the nature of electrolyte.
What causes conductivity in a solution?
Conductivity is the ability of a solution to conduct electricity. It is dependent on the presence of ions in the solution. Ions are derived from ionic compounds that dissolve in water, such as sodium chloride. The more concentrated a solution is, the higher the conductivity is. In most cases it is a proportional relationship.
What is conductivity and how is It measured?
(or conductivity), a physical quantity equal to the electrical conductance of a cylindrical conductor of unit length and unit cross-sectional area. The relation between conductivity σ and resistivity ρ is given by the equation σ = 1/p. Conductivity is usually measured in units of mho/m or mho/cm.