As long as it is under normal pressure, the temperature of ice can range from -273.15 degrees to 0 degrees. In this temperature range, H2O appears in solid state.
The temperature of the ice-water mixture It is 0°, because if the temperature is to be lowered, all the water must be frozen first, so there will be no water left below 0°. When all the water freezes into ice, the temperature of the ice can continue to drop until it reaches ambient temperature.
Extended information
Uses and functions of ice cubes
1. Ice cubes relieve pain: When you accidentally get a small thorn in your fingertip, you need to use a needle to remove it. Sometimes, you can freeze your fingertips on ice until numb, and then you won't feel the pain when you pick the prick.
2. Ice cubes to stop bleeding: When the skin surface or subcutaneous bleeding occurs, apply ice cubes to the bleeding area to help coagulation.
3. Ice cubes to relieve itching: If you scratch an itchy patch on your body, it will easily become infected, and it will become more itchy the more you scratch it. If you use ice cubes to apply cold compress, the itching can be completely eliminated.
4. Ice cubes to treat burns: If you accidentally burn your hand, you can pour ice cubes into a basin, then put the burned area into a plate and freeze it. This will not only relieve pain but also prevent redness, swelling and blisters.
5. Ice cubes are antibacterial: Since ice cubes have bacteriostatic and sterilizing effects, freezing infected areas with ice cubes can effectively prevent bacterial reproduction and wound infection.
6. Reduce high fever: High fever is a common disease. At this time, in addition to taking medication, you also need to cool down. Using ice cubes can often turn the patient into safety. If you suffer from heat stroke in summer, you can also use ice cubes to cool down.
7. Detoxification: Rub ice cubes on the itchy area to relieve itching. After being bitten by poisonous insects, in addition to treating with medication, you can also use ice to relieve the itching and pain and prevent the spread of toxins.
8. Reduce heart rate: When a person's heart rate exceeds 100 to 140 beats per minute, soak a towel in ice water, wring it out and apply it on the face immediately, wait for a while, and reduce the risk of excessive heart rate. will slow down significantly.
Reference source; Baidu Encyclopedia-Ice Cube