Very cool 👍

Really nice!

A great video! You can totally make a video that touches Woodward-Fieser rules and λmax in a fun and practical way!

Thank you for explaining how molecules get their color.

Excellent video, and good to know! The markings on graduated cylinders can vary wildly unless they're certified class A or B. I was surprised how far off my cylinders were, and have calibrated them myself, adding my own markings.

@experimental_chemistry

10 ай бұрын

It's better to use measuring pipetttes instead or - like in this case when concidering the mass concentration - weighing out the liquid in a tared beaker on the scales.

What irks me in this generally nice video is that you've used a volumetric flask to pour from it. It just doesn't work that way. If you want to pour x ml, you use pipette/burette. If you want to contain x ml, you use volumetric flask. In a flask you're leaving droplets of solution sticking to the walls. The diffences might be not that huge, but analytyic chemistry is all about eliminating all those pesky little errors, innit?

@integral_chemistry

10 ай бұрын

That's very true^^ I don't do much analytical chem on here so I kinda lack all the proper equipment but I should definitely get some volumetric pipettes considering they're quite cheap as these things go.

That’s super neat!

So nice, I like your longer videos, 👍👍👍

@integral_chemistry

10 ай бұрын

Thank you! They're hell to make compared to the short ones but I agree the final product is just better

This was an awesome tutorial on organic colors. I am reminded of healthy eating. Bright veggies are supposed to be antidisease foods, super foods and the like. I think you have some there. Also... cannabis has some of these too, and anthocyanins are the ones I was really piqued on listening about. Getting that purple color is a goal of mine, one day.

I love your videos!!!

@integral_chemistry

10 ай бұрын

Thank you 😁😁

You definitely need some glass stirring rods... 😉 If I were your prof, seeing you mixing liquids by using a plastic pasteur pipette* would annoy me much more than a titration until phenolphthalein turns clearly pink - which btw is the correct equivalence point. Phenolphthalein having a faint pink transition color in the neutral range is nothing but a persisting laboratory fairy tail... 🧐 In contrast red gabbage juice (anthocyane) is insuitable for exact titrations due to the lack of a sharp color change. Moreover the solution cannot be stored. However, it's a great indicator dye for the very young researchers, who can use common household acids and bases to conjure up all colors of the rainbow in the test tube - at least if someone is still at home who regularly serves them freshly cooked vegetables. Incidentally, curcumin is also an even better indicator for borates. Btw there's a mistake in thinking on determination of the HCl concentration: you've neclected the density of the conc. acid when measuring it out by volume instead of weight. So in fact the real mass concentration would have been even lower. Was the acid already stored for a long time on the shelves? Then it might have lost HCl gas until the azeotrop (around 20 %) was reached. HCl always escapes through the caps of those cheap hardwarestore bottles sooner or later... *Of course there can always be senseful exceptions from the rule, very glass staining or adhesive liquids like molten gallium for example.

@DFliyerz

10 ай бұрын

Using pipettes to mix solutions is totally valid, especially in test tubes where there's not much room for moving around. My lab uses glass Pasteur pipettes for mixing solutions in test tubes all the time.

I just stumbled upon this chanel. I have to say, that it's amazing. Keep it up :))

@integral_chemistry

10 ай бұрын

Thank you so much 😁 I do my best

At 2:25, why are there 8 total energy levels. Shouldn't there be 6?

@integral_chemistry

10 ай бұрын

I've actually got no idea. I would personally only draw this with 6 and I was guessing the extra 2 were possibly a stylistic decision.. but the other molecules shown have the correct number of energy levels so no idea 😅

Now I want Indian food >.

@integral_chemistry

10 ай бұрын

Right?

@Sniperboy5551

10 ай бұрын

I’m making lamb curry tonight 👍🏼

21% HCl is azeotropic HCl

@WaffleStaffel

10 ай бұрын

They market it as odorless or 90% fume-free. I remember the days when you could walk out of a Home Depot with 2 gallons of 32% for 5.99.

@integral_chemistry

10 ай бұрын

God I wish. You can still get 32% at certain Ace hardware locations ($9.99) but they've been out of stock at my local place for a while (hence this "odorless" crap).

heh Balls

Hello, are you active on Instagram?