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A thermometer used for accurate measurement of very small changes in temperature.

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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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    In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.

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    One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but...

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    If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.

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    Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?



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Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.

Coordination Sphere

The metal ion and its coordinating ligands but not any uncoordinated counter-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.

Molecular Formula

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

Activity of a component of ideal mixture

A dimensionless quantity whose magnitude is: equal to molar concentration in an ideal solution, equal to partial pressure in an ideal gas mixture, and defined as 1 for pure solids or liquids.

Atomic Weight

Weighted average of the masses of the constituent isotopes of an element, The relative masses of atoms of different elements.

Carbonium ion

An orgainic ion carrying a positive charge on a carbon atom.

Heat of Solution

The amount of heat absorbed in the formation of solution that contains one mole of solute, the value is positive if heat is absorbed (endothermic) and negative if heat is released (exothermic).

Catenation

Bonding of atoms of the same element into chains or rings.
The bonding together of atoms of the same element to form chains.
The ability of an element to bond to itself.

Gangue

Sand, rock, and other impurities surrounding the mineral of interest in an ore.