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A hot water bag, which is transparent, and there is a small piece of iron, broke apart after the white, and then said to use hot water to boil, boil for how long? What to cook
- You must want to understand the principle of the hot bag, to understand the principle of the hot bag, we must first know what is supersaturated solution. At a certain temperature, the solubility of the solute in the solvent is unchanged. For example, the solubility of Nacl in water at room temperature is 36g/100mL water. When the concentration of the solution is equal to that of the solution, the solution is called a saturated solution. When the concentration of the solution is higher than that of the solution, the solution is called a supersaturated solution.s
What are the ordinary hot water bags made of? Why does it smell hot?
- The usual hot water bag material is made of natural rubber (vulcanization, crosslinking, modification, calendering, etc.)s
Hot water bag printed on the newspaper how to clear the word?
- I don't know, I want you to wash, if the hot water bag you can you can use the brush to brush - or you moistened with water in it, scrub with things clear, may clean E Pecenas
Can I change the water in the hot water bag?I changed the water inside after the useless, (the water is yellow) how is this going on?
- There is a yellow liquid electrolyte (not remember what is called) solution, the heating speed is much faster than water, heat to maintain a longer time! Now you replace the ordinary water well of course not. You can try to replace the salt water, salt can be put in more points, because salt than industrial salt and light.s
Using hot water bags for heating is a kind of heat transfer.
- There are two ways in which an object can be changed: work and heat transfers
There is a small hot water bottle, a small pinch of iron will be fever, why?
- To understand the principles of warm handbags, we first need to know what is supersaturated solution. At a certain temperature, the solubility of the solute in the solvent is unchanged. For example, the solubility of Nacl in water at room temperature is 36g/100mL water. When the concentration of the solution is equal to that of the solution, the solution is called a saturated solution. When the concentration of the solution is higher than that of the solution, the solution is called a supersaturated solution. The liquid in a warm bag is a supersaturated solution of sodium acetate (CH3COONa).Because the concentration of supersaturated solution is too high, it is not stable. When we twist the sheet of metal inside, a slight shock is enough to crystallize the solute into a stable solid. However, the process is exothermic, so warm handbags start to warm up.There is an advantage of warm handbags that can be recycled. As long as the warm hand is placed in boiling water for about 10 minutes, the condensate will be dissolved again. In the process of dissolving, the solute absorbs heat and becomes supersaturated solution again.s
Hot water bag charging time will burst?
- Look at what kind of hot water bag you bought. Inferior may explode, in general, is not explosive.s
The benefits of hot water bags in the lower abdomen
- Warm palace ah, to help solve dysmenorrhea. Coagulation evacuation. Warm warm houses
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