Because H3BO3 is a weak acid, where H3PO4 is a strong acid. Strong acids dissociate 100%, whereas weak acids do not.
yes it does
from wiedemann franz law we know that thermal conductivity/electrical conductivity=constant that is sigma inv. proportional to k thus a material having large electrical conductivity has low thermal conductivity and moreover we know R=pL/A p=RA/L 1/P=L/RA i.e lower area means greater conductivity(electrical) and lower thermal conductivity
conductivity is a result of free electrons meaning that they can be riped away fast and the temperature of the material. a colder material has a lower resistance and higher conductivity. materials like metallic oxides have low conductivity and materials like pure copper and aluminum have high conductivity.
purer and with lower conductivity due to reduced ionic content
Ductile iron is generally conductive with a thermal conductivity of 36 watts per meter. Compared to grey iron, its conductivity is lower.
The commonest test is to check the electrical conductivity between two electrodes. Pure water has very poor conductivity, but the conductivity improves as more ions are dissolved in it. Sea water has a conductivity of around 5 S/m (Siemens per metre) Drinking water has a conductivity of 0.005 - 0.05 S/m . Ultra-pure water has a much lower conductivity of 5.5 x 10-6 S/m - a million times smaller than that of sea water.
A substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities. :) Hope that helped;)
The conductivity of lithium is less than cesium because lithium has smaller atomic size and higher ionization energy compared to cesium. This results in weaker metallic bonding and less mobile charge carriers in the lattice structure of lithium, leading to lower conductivity. Additionally, lithium also has a higher tendency to form covalent bonds, which further reduces its conductivity.
A creditor will usually accept a lower payoff amount when requested. Usually a lump sum payoff will result in a lower due balance.
lower
Yes, water conductivity largely depends on H+ concentration. In fact distilled water (very pure) does not conduct very well by lack of ions (pH=7 means [H+] = 1.0*10-7 mol/L).
Heat energy moves from a higher temperature to a lower temperature due to the nature of conductivity. Cold surfaces can always conduct heat from a hot surface.