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Hogyan tudunk egy vizes alátétre egy jéggel teli fémbögrét másodpercek alatt lefagyasztani?
physics, experiment, freezing, melting, reaction, chemistry, freezing point, solution, salt, ice, snow, enthalpy of fusion, freezing mixture, thermodynamics
Water boils at 100 degrees Celsius. But is it possible to boil water at room temperature?
Egy félig telt fecskendőben hideg vizet forralunk. Hogyan lehetséges ez?
If we take a closer look at a snowflake, we will see that it has a symmetrical, hexagonal shape. But how do they take on this shape?
Barium hydroxide reacts with ammonium nitrate while absorbing heat from their surroundings.
Catalysts can facilitate or support the process of reactions that otherwise would not occur.
Non-polar substances dissolve in non-polar solvents while polar substances dissolve in polar solvents.
The method of separation of substances in a mixture depends on their different properties.
When two substances are heated, they combine to form a compound.
Examining the colour of cobalt(II) chloride in water and hydrochloric acid.