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October 28, 2021
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Do you know the density main factors and its effects at density of water?

  • September 30, 2021
  • 4 min read
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Do you know the density main factors and its effects at density of water?

The water density lb/ft3 is not constant. In other words, water density changes when even one of the conditions changes. Which one are these conditions on which the density of water depends? There are 2 main conditions – the temperature of the water and the salinity of the water. To make it clear, if the temperature increases or decreases, the density of water lb/ft3 takes different values. The same applies to salinity. Saltwater and freshwater differs when it comes to the values of density. The change is more visible when these 2 conditions change at the same time.

The water density’s value lb/ft3 may change depending on a few factors, like the temperature or the salinity, but there is also the basic value. What is it exactly? The basic value is just a value in neutral conditions (freshwater at 4 degrees Celsius) and it is equal to 62.4 lb/ft3. Did you expect such a huge number? Even if you didn’t expect such a value, don’t worry, now it will be easier. If you have learned the basic value, you will have no trouble with learning also about other values of water density when the specific factors will act on it.

Water density main meaning

How does the density of water lb/ft3 look? To answer this question you first need to learn the definition of the water density at all. So how does it look? It is just the mass of a substance by unit volume of water. So to sum up, it is kind of a descriptive definition. There is no legal definition. But let’s focus on the water density lb/ft3. Based on the general definition of density of water, the density of water lb/ft3 is the mass given in lbs per volume given in cubic feet.

What is the boiling point of water?

Do you know at which temperature water boils? We are sure you know, but as a reminder – the water boiling point is when its temperature is equal to 100 degrees Celsius. You just have to admit it is a really high number! But we don’t want to focus only on the temperature but on the value of water density within the context of this temperature. What do you think, how does the density of water lb/ft3 at 100 degrees Celsius look? Have a look at the answer – at 100 degrees Celsius, the water density is 59.8294 lb/ft3.

Freezing water point, it is important at the density?

You probably know that, when it comes to the temperature, there are 2 specific points of water. One of them is the freezing point. The freezing point is when the temperature is equal to 0 degrees Celsius. There are also something like a neutral point which water achieves at 4 degrees Celsius. This showing clearly that at 0 degrees Celsius density of water will change. So what is the value of water density in lb/ft3 at the freezing point? This value is 62.421. The basic water density at 4 degrees Celsius is equal to 62.4264 lb/ft3, so these 2 results do not differ significantly as you see.

How to calculate the density of water? The key to understanding the process is to focus on the definition of density. As simply as possible, the density is just the water mass divided by the volume of water. So based on it, to calculate the density of water, you should divide the value of the mass by the value of the volume. Theses calculations will allow you to get the result. Of course, to get the result in lb/ft3 you should calculate mass given in pounds and volume given in cubic feet. If you have some troubles with calculating it on your own, just use a calculator to make it quicker and easier.

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