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  • this is actually erection involves two elements we've got zinc on, We've got sulfur.

  • And when you combine the two and heat them up, something spectacular happens.

  • So we've got our zinc, which is our gray powdered metal here.

  • And then here's the sulfur.

  • Mix them together just by putting them into a glass beaker so you can see there.

  • Colors mix.

  • OK, so what's gonna happen is I'm just going to gently rotate the beaker so that the two mix like so No, that's mixed together.

  • We're going to go over to the fume hood.

  • Important, too.

  • Up oil middle go mixture of our zinc and sulphur and north to start the reaction we're going Thio need a source of heat on dhe instead of using a flame or anything like that were actually used a hot metal rod to get that reaction started.

  • Neil is going to be in charge of the blowtorch, and I'm gonna hold onto the road.

  • Okay, E trade happy customer.

  • Very happy.

  • I liketo actually bounced off my lab coat so it's a good job was wearing my safety gear.

  • Otherwise we would have been in trouble on this stuff that's left is zinc sulphide.

  • This is a very simple reaction.

  • Zinc and sofa you were using so far, that's the white powder that you're saying that.

this is actually erection involves two elements we've got zinc on, We've got sulfur.

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B2 中高級

鋅和硫 - 視頻週期表 (Zinc and Sulfur - Periodic Table of Videos)

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    林宜悉 發佈於 2021 年 01 月 14 日
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