China Naming Network - Weather knowledge - What proportion of water and 95-degree medical alcohol will not freeze in the weather of MINUS 10 degrees Celsius?

What proportion of water and 95-degree medical alcohol will not freeze in the weather of MINUS 10 degrees Celsius?

In the weather of minus 10℃, the ratio of water to 95 degree medical alcohol is 20% alcohol and 80% water.

Each type of alcohol has its own freezing point, which varies according to the type of alcohol mixture and the type of container. The freezing point of each wine depends on its own alcohol content, and the alcohol content of vodka is about 40%. The alcohol content of wine is about 14%, while the alcohol content of wine fermented by natural grains is about 95%, which is almost equivalent to pure alcohol.

The freezing point of water is 0 degrees Celsius, and the freezing point of alcohol is-1 17 degrees Celsius. The freezing point of alcohol is lower than that of water. When alcohol is mixed into water, it becomes a mixture, and the freezing point will be below 0 degrees. After alcohol is mixed into water, the vapor pressure of the solution will decrease, because alcohol molecules occupy the surface of the liquid, so it cannot be balanced with the vapor pressure of pure ice, and naturally it can only be balanced with the vapor pressure of ice at a lower temperature, and the freezing point will also drop.

Extended data:

The freezing point of medical alcohol is introduced as follows:

As long as it is an aqueous solution, if any soluble substance is added to the water, the freezing point will be lowered. This is a question of the dependence of the solution. Specific reference can be made to any general chemistry or physical chemistry or inorganic chemistry. Disinfection products, such as 75% ethanol, chlorine-containing disinfectants and peracetic acid, can effectively inactivate viruses without special control.

But at the same time, it has dangerous characteristics such as flammability, toxicity and corrosiveness. Improper use and storage can easily lead to fire, poisoning, burns and other safety accidents. Alcohol is soluble in water and has a certain fat solubility. The mechanism of alcohol sterilization and virus killing is that the fat solubility of alcohol can destroy the biofilm composed of biological phospholipid bimolecular, leading to the disorder of biofilm structure and function and death.

People's Network-The use of alcohol will directly affect the disinfection effect.

Baidu encyclopedia-medical alcohol

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