![]() Unless you are performing extremely precise calculations or conducting an experiment in extremely high temperatures, the density of water is normally rounded to 1 g/cm3 or 1000 kg/m3.īecause the density of water fluctuates depending on the temperature, if you’re doing an experiment near or past the boiling or freezing points of water, you’ll need to use a different figure to account for the change in density. Water has a density of one gram per cubic centimetre and is a liquid. The density of a liquid, like the density of a solid, is equal to the mass of the liquid divided by the volume of the liquid D = m/v. The size and mass of the molecules in various liquids are also variable. It is possible to measure the volume of a liquid directly with the use of a graduated cylinder. Liquids, like solids, have a distinctive density distinct from the rest of the liquid. Density Of Water lb/ft3 At Standard Conditions It is not until the temperature gets exceedingly extreme in one way or another that the temperature of water changes so that 1 g/cm3 would no longer be considered an acceptable measure of accuracy. Because the density of water is so near to 1 gramme per cubic centimetre, this figure is utilized in all density calculations, except the most precise ones. Water Density at Different TemperaturesĪt 39.2 degrees Fahrenheit or 4.0 degrees Celsius, water has a density of exactly 1 gramme per cubic centimetre. You can observe how the density of water changes with temperature by looking at the graphic in the next section. However, because these differences in density are so modest, you may continue to use 1 g/cm3 for water density unless you require extremely precise calculations or the experiment takes place in a region with severe temperatures or pressures. ![]() ![]() However, water’s precise density varies with atmospheric pressure and local temperature. Therefore, the density of water is quite simple to remember: 1 g per cubic centimetre. The table below displays the water density in various units, including the commonly used 1 g/cm3. In this article, we will discuss the density of water, present a chart that you can use to determine the density of water at various temperatures, and explain three distinct methods of calculating the density of water.Īn object’s density is its mass per unit volume. What is the density of water in kilograms? What does it matter if it’s cold or hot outside? What methods do you use to determine the density of other items and liquids?
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