0
actually, you can.
Wiki User
∙ 14y ago
Anonymous
Refreezing instant cold packs can damage the chemicals inside and affect their ability to provide cooling when needed. The components in the pack may not refreeze evenly or may not reach the required temperature for effective cooling after being frozen a second time. It is best to follow the manufacturer's instructions and avoid refreezing instant cold packs for optimal performance.
Anonymous
NO do not freeze or reuse it i read it somewhere else and they said that they get frost bite (the packs not you ) and they got a burn from it . if you don't believe me search more about it and if you found out that you can great post it please
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Does nexcare instant cold packs have amonia nitrate?
Yes, Nexcare Instant Cold Packs typically contain ammonium nitrate as one of the compounds used to create the cold sensation when activated.
How cold does and instant cold pack get?
Instant cold packs typically reach temperatures around 32-41 degrees Fahrenheit (0-5 degrees Celsius) when activated. This temperature drop occurs quickly due to a chemical reaction that absorbs heat from the surroundings, making the pack feel cold to the touch.
Who invented instant cold packs?
The instant cold pack was invented by Lester A. Rupp in the 1950s. These packs contain ammonium nitrate and water, which mix together upon activation to create a cooling effect through an endothermic reaction.
Where can you find cold packs?
Cold packs can be found at most pharmacies, drugstores, and supermarkets in the first aid aisle. They are also available online through various retailers.
What is the cold can a flame be?
A flame cannot be any cold but always hot even at the first instant it is lit.
Can you refreeze or refrigerate an instant cold pack?
can you refreeze cold packs
Instant cold packs can be reused?
Instant cold packs cannot be reused once they are activated. The chemical makeup inside the package was created for one time use.
Does nexcare instant cold packs have amonia nitrate?
Yes, Nexcare Instant Cold Packs typically contain ammonium nitrate as one of the compounds used to create the cold sensation when activated.
How many instant cold packs are used each year?
Millions of instant cold packs are used each year for various purposes like first aid, sports injuries, and medical treatments. The exact number can vary depending on the demand and usage in different industries and regions.
What are some retailers that sell cold packs?
Cold packs can be purchased at most big box stores such as Walmart or Target in their first aid section. They are commonly known as ice packs where one can either break the bag to make instant cold to treat injuries or they can be shaken to create the same effect.
What products contain ammonium nitrate?
Ammonium nitrate is commonly used as a high-nitrogen fertilizer and as an explosive in mining and construction. It can also be found in cold packs used for first aid, and in some types of instant cold packs due to its endothermic properties.
Can frozen mashed potatoes refreeze if soft but cold?
No No No
Where can you find ammonium nirate?
Ammonium nitrate can be found in agriculture supply stores as a fertilizer, in some cold packs for injuries, and in some explosives used for mining and construction. It is important to handle and store ammonium nitrate carefully due to its potential for hazardous reactions.
Who invented instant cold packs?
The instant cold pack was invented by Lester A. Rupp in the 1950s. These packs contain ammonium nitrate and water, which mix together upon activation to create a cooling effect through an endothermic reaction.
What keeps lunch cold?
Ice packs keeps lunches cold.
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. :)
Why is ammonium nitrate economically important?
Ammonium nitrate is economically important because it is commonly used as a high-nitrogen fertilizer, which helps to promote plant growth. It is also used in the production of explosives, notably in mining and construction industries. Additionally, it is a key component in some types of cold packs and instant cold packs.
