Make an Instant Cold Pack from Sodium Acetate.

[darkf1gure1]

Can you do a medicine side effects announcement?

Like this pill will get rid of headaches

[98% of people explode, and 1% turn into pigs etc] ?

[pielover8888]

@darkf1gure1 ... and the extra one percent does..? i dont think i wanna know..

[dewiauyeung]

how about using hot water

[daviidcamachoo]

if my sodium acetato dry out, how can I fixed? adding water? Did It convert to sodium acetate anhydrous?

[TechBoywii]

@NurdRage is the name on the starting credits your real name? or did you just get it from n-Butyllithium ?

[johtohoennfan45]

do you commentate this live, or after the video is made?

[jowdin2882]

Using the vinager method how long does it take to form when u start seeing the crust?

[Jon58004]

is this your real voice?

[TheHomeScienctist]

is it a exo thermic

[jkseraphim4]

Will you be doing anything on dry ice?

[1337Chucks]

Hi Nurd Rage, Can Anhydrous Sodium Acetate make a cold pack? or does the cold pack depend on only hydrated NaCH3COO?

[megat2507]

can this instant cold pack make a smoke bomk?

because smoke bomb use instant cold pack

please reply my comment..

[iPodCheatHelp]

Hey wait, im not a nerd!

[summy8462]

whats with the LOW voys its giving me a headach!!!

[NurdRage]

@summy8462 turn off the sound and turn on the subtitles.

[AZMALING]

@NurdRage i made a better cold pack, i got an air tight bag, and a smaller one, in the smaller one, i added Acetic acid, and the big one, sodium bicarbonate,, and when i wanted to use it, i just pressed the inner bag, but i had to leave a small opening, because alot of gas was produced....2 in 1, cold pack, and bomb bag.

[spotlightman1234]

@summy8462 he's probablly using university or college funds for his expirements

and doesnt want to be caught and is using the voice to remain anonymous

[kangaroo662]

@summy8462 Learn to spell. *Voice *Headache. you just make yourself look stupid

[flourdough]

why so noob?

[gcs9628]

gjh

[979708]

Interesting!

[ITMBnF]

No they aren't. Dry ice is frozen C02

[spotlightman1234]

troll

[moneyinthebank14344]

@spotlightman1234 troll your ass! >:P >:)

[spotlightman1234]

@moneyinthebank14344 lol

[moneyinthebank14344]

@spotlightman1234 lol.... ok!

[panzuman]

for some odd reason my sodium acetate has turned a brown colour not like the one in your vid but much darker can i dehydrate it further or can i put it through a coffee filter?

[fjrt]

if you used house-hold items to make it (not pure sodium acetate) it will turn a brownish color

[freakin1random]

lol

its probably mold dude

@panzuman

[codyrules21]

umm ok so if i make that hot ice thing do i need sodium acetate to set it off

[11to]

plz answer. How long does hot ice stay hot and how long time does it stay cooled when dissolved? And on wich temperatur does NH3NO3/NH4NO3 get when dissolved and how long time does it stay cool?

[TheTester001]

the ghetto cool pack :D

[tinyfred]

Hi NurdRage. You show in previous videos how to do sodium acetate and directly do hot ice with it. I saw in some other videos made by other people that we can mix the powder after it had been dry with water boil it and do the hot ice effect is that working with this type of sodium acetate ?

[NurdRage]

both routes will lead to the same result, hot ice.

And yes, drying it and remixing it will work too.

We choose the direct-to-ice method since you can get done faster.

[scarletibs16]

im learning alot thank you very much

[ignilc]

why does steel wool start bubbling if i add it to vinegar? and why does the resulting solution act to make wood black? is it because iron acetate forms? if so, how does iron acetate work to turn wood black?

[NurdRage]

i am not a substitute for a text book

[Sillybillydilly]

iron reacts with the acetic acid in vinegar to form ferrous(iron 2+) acetate and hydrogen gas. The black color comes from impurities in the steel wool, as iron2 salts are usually very light green, almost colorless. The black color comes from small metal and carbon particulates in the wool that don't dissolve as easily. If you use this iron(II) acetate containing sludge to color wood black, from air oxidation it will eventually turn to iron(III) salts that hydrolyze to rust, and back to the acid.

[DakotaAlvarez]

Hey would this be an appropriate science experiment for middle school (8th Grade)??

[kallevigabc12]

a store bought instang cold pack has ammonium nitrate right a made a smoke bomb with newspaper and that stugg once

[147poi258uyt369rew]

so when you crush the hot ice is that just the sodium acetate

[NurdRage]

yup. :)

[petrosking1]

im a fan of nerd rage, and i like to say that the stuff you guys do is incredible, so please keep it coming thank you :]

[FlurpleBooProduction]

Hey, I'm trying to make the hot ice but it won't work. Do you have to keep adding baking soda until it stops fizzing?

[NurdRage]

The reason why commenting was disabled was to force people to read the old ones. the answer is there.

[Brucy6666]

but if u just wrote that, it seems u could have just given him the answer...?

[NurdRage]

if he's too lazy to read the answer i'm too lazy to write it out again for the 400th time.

[master5599]

hey can you please send me some movies or something that shows how to make poweders that do something like blow up, or liquids that do something, like in your last videos. Because these things are cool, you rock.

[NurdRage]

we do not condone or assist in the use of our videos for destructive purposes.

[master5599]

Well your right, but i just love your videos so much :) can you do some more, easy ones or something with powerder idk, something cool. You guys rock

[subfuzion]

Yeah.... to be honest if you don't already know the reactions, your going to kill yourself trying to do them. That's how you determine if you should be doing something or not. TRUST me on this one 0.0 (godamn homemade rocket fuel!)

[master5599]

You guys rock

[trogusman]

thanks nurd. could you demonstrate how we can efficiently cool a home with this sort of chemistry using available energy available (solar heating)?

[NurdRage]

Oh this is by no means useful for cooling a home. You'd need the equivalent material as the weight of your house in order to have an effect and reusing the material by boiling in a continuous cycle would be less efficient than a standard air conditioner.

It would make for an interesting engineering challenge though. :)

[Danny19921125]

This video make me remeber that I have one small 3M Nexcare CodHot Mini pack in my refregerator.

[freedomfighter1971]

wish chemistry class taught me this much way back when

[NurdRage]

I guess the job now falls to people like me. :)

[tenekekutucuk]

ok thanks but i think this substances can be dangerous like amonium nitrate

maybe i am wrong but your videos will be helpful for me thanks again and your quick reply

[NurdRage]

Urea is completely safe, and it's available in most labs because it's used to denature proteins. I would go with that on such short notice.

[Sillybillydilly]

urea is also a major component of "Miracle Grow" type potting flower fertilizers.

[tenekekutucuk]

thanks for your efforts

i am a research assistant in Turkey and we will make a science festival and i will use this experiment

i benefit from your expalanation about this experiment

during festival i will mention about you and so millions will be watched you:P

thanks for everything

[NurdRage]

thank you very much!

If you want a more effective substance, try ammonium nitrate, urea or sodium nitrate. They're colder and more reliable than sodium acetate trihydrate.

[Yahyamanyah]

do u need white viniger. I will really apreciate it if u help. It is required to achieve this experiment by tomorrow.

[NurdRage]

if you're just making sodium acetate for the instant cold pack then no, any kind of vinegar is ok.

But if you need something working by tomorrow then i recommend getting the chemicals out of an actual instant cold pack. It takes too long and far too much effort to make packs out of homemade sodium acetate.

[jbeer82]

Will ammonium thiocyanate and barium hydroxide work?

[NurdRage]

yeah, but ammonium nitrate, sodium nitrate, and urea type packs would be cheaper and safer

[jbeer82]

Barium hydroxide octahydrate

[ryobie1]

I'm so making this.

[nivivon]

That was freaking awesome! 5 stars, friend!

[fjrt]

Do you know where you can get pure sodium acetate? When i start the crystalization it doesn't happen as fast.

[NurdRage]

Have you tried ebay?

I got mine from alfa aesar.

[fjrt]

Alright I'll try that. Thanks.

[marine12320]

When you say alfa aesar, is that a company? Do they have a website i can buy from?

[NurdRage]

yeah, just type it into google

[marine12320]

Ahh, okay.

[Sillybillydilly]

To get pure sodium acetate you take some food grade baking soda powder, and keep adding food grade distilled vinegar slowly, until it doesn't fizz anymore (slight excess of vinegar.) Though this solution won't be very concentrated(5-10%) because vinegar is so dilute, it's still the easiest way to make it. You just have to boil it longer to get rid of all that extra water and will get a smaller yield. Try to boil it outside, because of the excess vinegar will stink up the whole place.

[guitarsandmilk]

When the sodium acetate dries is it considered the "sodium acetate crystals"?

[NurdRage]

The stuff straight from the video doesn't become crystals when it dries, it becomes a powder.

It is possible to make crystals but you need a different approach.

Do you have a particular need for crystals?

[polejay]

hey nurdrage!! awesome vid again!

[10mintwo]

I don't understand why it doesn't work if you allow the salt to become anhydrous.

[NurdRage]

Two competing effects occur during solvation. The exothermic effect of the water molecules interacting with the ions of sodium and acetate. And the endothermic effect of breaking up the interactions of ions. By using sodium acetate trihydrate at room temperature, you've already gotten rid of some of the exothermic interactions. But the endothermic ones remain. If you used anhydrous sodium acetate, the exothermic interactions roughly cancel out the endothermic ones.

[10mintwo]

I see. that seems plausible