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This video deals with the boiling point of water in relation to the ambient pressure. The boiling point of a liquid is defined as the temperature at which the vapor pressure is equal to the ambient pressure. It is precisely at this temperature that vapor bubbles can form inside the liquid, rise to the surface and leave the liquid. This also means that the boiling point is dependent on the ambient pressure. When you look up the boiling point of a given substance in a table, you will typically find the boiling point at 1 atmosphere of pressure. The video is intended for basic course students in the vocational entrance Electricity and IT, but anyone with an interest in physics is very welcome to watch.