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Fuel cell in which hydrogen is the fuel (reducing agent) and oxygen is the oxidizing agent.

 

Latest Articles

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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...

  • Gas of rotten eggs

    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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    Chemistry can teach us about the composition of celestial bodies and determine their age.

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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.



Most Popular

Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

Explosive limits

The range of concentrations over which a flammable vapour mixed with proper ratios of air will ignite or explode if a source of ignitions is provided.

Catalyst

A substance that speeds up a chemical reaction without being consumed itself in the reaction.
A substance that alters (usually increases) the rate at which a reaction occurs.

Dipole-dipole Interactions

Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Carbonium ion

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

Atom

The smallest particle of an element.

Associated Ions

Short-lived species formed by the collision of dissolved ions of opposite charges.

Ion Product for Water

Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.