If you rub a magnet over a metal screw driver, you can magnetize the screw driver. This is because the magnet

Chemistry

1 answer:

ikadub [295]1 year ago

5 0

The magnet can cause the alignment of electron domains in the metal screw driver on rubbing, causing magnetism.

The magnetism in a permanent magnet is produced by magnetic moments of electrons in the magnet's constituent material. The material's atoms are each like tiny magnet bars. As a result of the quantum mechanical effect, the majority of these tiny magnets now prefer to align in a single direction to form domains, consequently magnetizing the entire substance.

Electrons exist in magnetic metals as well, although they are arranged differently. A strong magnet has a magnetic field strong enough to cause residual magnetism in the metal screwdriver by aligning the domains in it on rubbing with the metal.

Learn more about the magnetism here

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What is the molarity (M) of a solution containing 0.0171 moles of NaCl in 0.122 L of solution?<br> M

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<u>Explanation:</u>

Molarity is defined as the quantitative measure of number of molecules of the solute dissolved in per litre of the solution. So it can be calculated by determining the ratio of number of molecules of the solute to the volume of the solution.

$Molarity = \frac{No.\ of\ moles\ of\ solute\ dissolved}{Volume\ of\ the\ solution}$

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