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# What Is Specific Heat?

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Specific heat is a measure of the amount of energy required to raise one mass unit of a substance by a certain temperature. This concept is important for understanding the nature of chemical reaction and how heat transfers between substances.

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Typically, specific heat is measured in Joules/kilogram*K or J/g*degC. In addition, it is sometimes used to determine the change in temperature of a sample as a function of its volume.

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Different materials have different specific heats. For example, metals such as iron have a relatively low specific heat and do not require much energy to raise their temperature. The specific heat of water, on the other hand, is very high and requires a lot of energy to increase its temperature.

### How can you tell what a specific heat is?

A specific heat capacity is the amount of heat required to raise a sample's temperature by one degree Celsius or Kelvin. It is also called a temperature-dependent specific heat capacity, and it can be used to describe the behavior of solids that are undergoing a phase transition.

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The specific heat capacity of a substance is determined by measuring the work that a substance requires to expand when placed in an enclosure under constant pressure or isobaric conditions, where the surrounding fluid or gas is maintained at a constant temperature. This type of measurement, known as differential scanning calorimetry (DSC), is a widely-used technique in many analytical and quality control laboratories.

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To calculate the specific heat capacity of a sample, it is necessary to determine the initial and final temperatures, the mass of the sample, and the amount of energy supplied or received. This can be done by a series of thermometry tests that are conducted over a range of temperatures.

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Using the same equation, you can also find the specific heat of a material in its constant volume or isochoric state. This is a more accurate representation of a substance's heat transfer ability, but it can be difficult to determine.

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For this reason, you often need to conduct a number of experiments before you can accurately determine a specific heat value. For example, you may have to heat a liquid sample for a longer period of time in order to get an accurate result, or you might need to use a variety of reagents to test your sample.

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This is why the specific heat of a material is usually listed on a per K or per degC basis instead of a specific temperature, which would be harder to determine. This is because it is more important to know how much heat is needed to raise a given mass of the material from its initial temperature to a particular final temperature than it is to know what the actual final temperature is.

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The specific heat of a substance is a very important topic in science and chemistry. It helps us understand how a substance reacts to heat and why some substances are hotter than others. It is also a useful tool in studying and predicting the effect of environmental factors on the properties of substances.