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Why do we measure temperature when measuring density?

Why do we measure temperature when measuring density?

Temperature. A material’s volume and state changes with temperature. Temperature therefore has an important influence on the density. Consequently, an accurate density measurement requires accurate temperature determination and good temperature stability.

Why is it necessary to record the temperature?

Measuring body temperature is very important in medicine. A number of diseases are characterised by a change in body temperature. With other illnesses, the course of the disease can be followed by measuring body temperature. This allows the doctor to analyse the effectiveness of treatments based on body temperatures.

What does density have to do with temperature?

Temperature Affects Density The density of water can also be affected by temperature. When the same amount of water is heated or cooled, its density changes. When the water is heated, it expands, increasing in volume. The warmer the water, the more space it takes up, and the lower its density.

Why is it important to report the temperature and pressure with the density?

Knowledge of the density of a fluid and its variation with temperature and pressure is vital for many flow measurement applications. Knowledge of the density of a fluid and its variation with temperature and pressure is essential for conversion between mass and volume.

How do you record temperature?

Place the protective cover on the tip of the thermometer. Gently insert the thermometer until the ear canal is fully sealed off. Press and hold down the button for 1-2 seconds until you hear a beep (follow the manufacturer’s instructions). Remove the thermometer, discard the cover, and record temperature and time.

How is the density of a material affected by temperature?

The mass of a material, however, is not affected by temperature at all. Since density is mass per unit volume, and volume can change with temperature, the density of a particular material is dependent on the temperature of the material, and must be specified (if not measured at STP).” Study exercise physiology online.

Which is the best method to estimate density?

The most popular method for density estimation is Yen-Woods method. This method is one of the Corresponding state theory (CST) and estimate density with following scheme. With using this scheme, I validated the data listed in ” The properties of Gases & Liquids”.

Why is it necessary to record the temperature when?

Since density is mass per unit volume, and volume can change with temperature, the density of a particular material is dependent on the temperature of the material, and must be specified (if not measured at STP).” Study exercise physiology online. Improve your health skill set with a scientific understanding of the effects of exercise on the body.

How is the density of a gas determined?

The density of a gas is often converted mathematically to what it would be at a standard temperature and pressure (STP). Water is unusual in that it expands, and thus decreases in density, as it is cooled below 3.98’C (its temperature of maximum density).