Potassium Reacts with Water
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Ty your videos helped me with my homework :P
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@mrericsully thanks i understand fully now !
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@Fourteen88SoCal Very, it is a strong base, potassium hydroxide. The metal itself is of course water reactive and can react with moisture on skin and in the air.
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@mrericsully is it toxic?
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@Fourteen88SoCal Most of it is Lissajous lines of not fully diluted/evenly distributed potassium hydroxide. It does not look as cloudy live as it does on video.
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what's the nasty stuff it leaves behind in the beaker?
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why dose it react im sooo stressed coz my homework ahhhhhhhhhh
SuperHARRYSTYLESLOVE 3 weeks ago
@SuperHARRYSTYLESLOVE All of the alkali metals have one valance electron that they want to get rid of so that they have a full octet. As you go down the column the atoms get larger and so due to size and the shielding effect the nucleus has a weaker hold on that outer electron. When dropped into water [H2O or H(OH)] K is more reactive than the H and so it replaces it and forms K(OH) and hydrogen gas (H2). The K in K(OH) is an ion with a 1+ charge, therefore it has lost that electron.
mrericsully 3 weeks ago
does the metal just boil or actually melt
ModTheRocker 3 months ago
@ModTheRocker It only melts (becomes a molten liquid). The appearance of boiling is the hydrogen gas that is being given off as it reacts with the water. Potassium is normally a solid at room temperature, but this reaction produces so much heat that it causes: 1) the potassium to melt and 2) the hydrogen gas to catch on fire. Melting Point: 63.38 C ; Boiling Point: 759 C.
mrericsully 3 months ago