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Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

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  • Chemical Safety

    People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...

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  • Varieties of garnet minerals

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    Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.



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Standard Molar Volume

The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.

Valence Shell Electron Pair Repulsion Theory

Assumes that electron pairs are arranged around the central element of a molecule or polyatomic ion so that there is maximum separation (and minimum repulsion) among regions of high electron density.

 

Double Salt

Solid consisting of two co-crystallized salts.

 

Organic Chemistry

The chemistry of substances that contain carbon-hydrogen bonds.

Hydrolysis

The reaction of a substance with water or its ions.

Do you know: some mosquitoes bite people because of their clothes

If you have ever been bitten by a mosquito, someone nearby surely gave you an explanation of why the nasty insect decided to spoil your day. Maybe they told you that you smelt good, or you had a certain type of blood or that in that shirt you looked like a potential victim.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Strong Electrolyte

A substance that conducts electricity well in a dilute aqueous solution.

 

Molecular Formula

Formula that indicates the actual number of atoms present in a molecule of a molecular substance.

Bomb Calorimeter

A device used to measure the heat transfer between system and surroundings at constant volume.