The boiling point of a liquid varies according to the applied pressure; the normal boiling point is the temperature at which the vapour pressure is equal to the standard sea-level atmospheric pressure (760 mm [29.92 inches] of mercury). The actual calculations are done on feet and inches of mercury. Adding salt to water produces a similar effect. Alcohols and carboxylic acids - physical data - Molweight, melting and boiling point, density, pKa-values, as well as number of carbon and hydrogen atoms in each molecule are given for 150 different alcohols and acids; Boiling Points for common Liquids and Gases - Boiling temperatures for some common liquids and gases - acetone, butane, propane .. Changes in atmospheric pressure will alter the temperature at which water boils. To use this calculator you will need your current pressure and elevation. The boiling point of water will be shown as a result. For example, parents are encouraged to boil baby bottles and cooks are encouraged to boil canning jars prior to first use. It should be noted that the only actual factor that is truly involved in the variance of boiling water is the pressure. Under normal conditions, when the pressure of the atmosphere is approximately 760 mmHg, water boils at 100 o C. At 10,000 feet above sea level, the pressure of the atmosphere is only 526 mmHg. The more dissolved minerals in the water, the greater the effect. At sea level, water boils at 100° C (212° F). How to Calculate the Boiling Point of Water. Does hard water boil at a higher temperature than pure water or regular tap water? The process of boiling items in water serves the same purpose. The answer is yes. The normal boiling point of water is 100 o C because this is the temperature at which the vapor pressure of water is 760 mmHg, or 1 atm. However, bringing the water to a full boil kills the organisms. The difference in temperature usually is a degree or two. Hard water contains dissolved minerals, which cause boiling point elevation. I don't know at what height pretoria is but the boiling point of a fluid depends on the pressure. The line on the graph shows the normal boiling point for water. You may enter data in any of the fields and conversions will be made. When salt is added, the freezing point is lowered and the boiling point is raised. We would like to show you a description here but the site won’t allow us. What is the Boiling Point of Water? Water boils at 212°F at sea level, but only at sea level. Pure water freezes at 0 °C and boils at 100 °C (212 °F) under normal pressure conditions. The boiling point of a liquid is the temperature at which its vapor pressure is equal to the pressure of the gas above it.The normal boiling point of a liquid is the temperature at which its vapor pressure is equal to one atmosphere (760 torr). 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