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Explain which type of reaction exothermic or endothermic would be required to make a cold and a cold pack or hot pack?
You would have to have an Eacthomatdid reaction of chemcal chance to change a cold pack to a hot pack. ...
Asked in Elements and Compounds
Example how a cold pack works?
Ammonium nitrate and water are in separate compartments in the cold pack. To activate the cold pack, you break the compartments in the pack so the ammonium nitrate and water mix. The ammonium nitrate absorbs all of the heat, making the water ice cold. ...
Asked in Health
What kind of burn should be treated with slow running cold water or cold-pack?
All burns should be treated with either cold running water or an ice pack. Water is preferable. ...
Asked in Science
Why does a cold pack get cold when the chemical reacts?
A cold pack creates a endothermic reaction when the chemical reacts, which means that energy is taken from the surrounding, which makes the packaging cold. it is the opposite with a heat pack, an exothermic reaction is created which releases the energy into the surrounding creating the heat. Hope this helped. ...
Asked in Chemistry
When you activate an instant cold pack and water mixes with a chemical and the pack gets very cold what example is this?
It is an example of an endothermic reaction. It is absorbing heat.
Asked in Chemistry
Is urea dangerous in a cold pack?
In cold packs is used Ammonium nitrate. It's dangerous because it can explode. But for this it must be absolutely dry. In a cold pack it is in a water solution. Nevertheless you shouldn't eat it or contact it a long time with your skin. In case of a damage of the cold pack you can just wash it away with water. ...