What do you mean by resistivity

Chemistry

2 answers:

12345 [234]3 years ago

8 0

It's a measure of the resisting power of a specified material to the flow of an electric current.

Snowcat [4.5K]3 years ago

4 0

Resistivity is a measure of the resistance of a given size of a specific material to electrical conduction. ... Materials that conduct electrical current easily are called conductors and have a low resistivity. Those that do not conduct electricity easily are called insulators and these materials have a high resistivity.

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OverLord2011 [107]

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$\boxed {\boxed {\sf 1290 \ g \ PI_3}}$

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<h3>1. Molar Mass</h3>

The molar mass is the mass of 1 mole of a substance. It is the same as the atomic masses on the Periodic Table, but the units are grams per mole (g/mol) instead of atomic mass units (amu).

We are given the compound PI₃ or phosphorus triiodide. Look up the molar masses of the individual elements.

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Note that there is a subscript of 3 after the I in the formula. This means there are 3 moles of iodine in 1 mole of the compound PI₃. We should multiply iodine's molar mass by 3, then add phosphorus's molar mass.