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Q: Can you use cold packs with calcium and ammonia nitrate to make shake n bake meths?
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Can you make meth with urea cold packs instead of ammonia nitrate?

no you cant. your thinking of the shake n bake one pot method and one has to use amonia nitrate, not urea.

Formula for ammonium nitrate?

The formula of ammonium nitrate is NH4NO3. By the way, to make ammonium nitrate, add nitric acid to ammonia. Ammonium nitrate is used commercially in instant cold packs.

What is ammonium nitrate used for?

- ammonium nitrate is a very known fertilizer- explosives (bombs)- cold packs

Do Walgreen's cold pack contain ammoniun nitrate?

is there ammonium nitrate found in walgreens cold packs

Why is ammonium nitrate salt famous?

Ammonium nitrate is a very common fertilizer; also used in explosives and cold packs.

Does ammonium nitrate absorb heat?

yes when disolved in water. It is in cold packs.

How do cold packs work?

Instant hot and cold packs are used by athletes to quickly and conveniently treat an injury. They last for about 20 minutes. The packs take advantage of chemicals that either absorb a lot of heat or release a lot of heat when dissolved in water. When a chemical process absorbs a lot of heat it is called endothermic. When heat is released, it is called exothermic. In cold packs, ammonium nitrate is used because it absorbs a lot of heat when it dissolves in water. The water and ammonium nitrate are in separate compartments in the pack. When the cold pack is needed, the chambers are broken and the ammonium nitrate dissolves in the water, absorbing heat and making the pack as cold as 0C. In hot packs, calcium chloride or magnesium sulphate are used, along with the water. They release heat when the chambers are broken and the chemical dissolves in the water. A hot pack can reach a temperature of 90C. :)

Is the formation of ammonium nitrate crystals from an aqueous state endothermic or exothermic?

Endothermic. That is why it is used in ice packs.

Does nexcare instant cold packs have amonia nitrate?

According to the msds it should, if you can see 2640 written on it anywhere.

What is the reaction between ammonium nitrate crystals and water?

An endothermic reaction, normally used in cold packs as the cooling agent.

What is ammonium nitrate and water?

You get ammonium ions (NH4+) and nitrate ions (NO3-) in solution. Also: It is also a common combination in cold packs. The Ammonium nitrate and the salt are in separate containers. When you squeeze the innermost container with the water in it, the two ingredients mix. As the Ammonium melts it gets cold.

Why do cold packs feel cold?

In a chemical ice pack you have to break some sort of seal so that two chemicals react. The chemicals that are used are chosen because when mixed they create an endothermic reaction causing it to feel cold