What is isothermal mean

Derived forms of isothermal isothermally , adverb. Of, relating to, or indicating equal or constant temperatures. Published by Houghton Mifflin Company. Relating to or indicating equal or constant temperatures. This can also be thought of as calculating the area under the curve. However, due to the shape of the curve, it's not as simple of a calculation—in comparison to an isobaric process, for example.

The formula below is the integrated equation, and will calculate the work done for any isothermal process:. The Carnot efficiency explaining the maximum thermal efficiency of a heat engine is derived by using isothermal processes, in which a thermodynamic cycle is completed with the use of 2 isothermal and 2 adiabatic processes. The following video from UC Berkley's chemistry department explains the idea of an isothermal process with visuals.

Boyle-Mariotte Law is one of the gas laws. At the end of the 17th century, Robert William Boyle and Edme Mariotte independently studied the relationship between the volume and pressure of a gas at constant temperature.

The results of certain experiments with gases at relatively low pressure led Robert Boyle to formulate a well-known law. It states that:. For a fixed mass of gas at constant temperature, the volume is inversely proportional to the pressure. That means that, for example, if you increase the volume 10 times, the pressure will decrease 10 times. If you halve the volume, you will double the pressure.

Yes, it seems to be identical as isothermal process of ideal gas. In fact, during their experiments the temperature remain constant as was assumed by Mariotte. These results are fully consistent with ideal gas law , which determinates, that the constant is equal to nRT.

The gas expansion is propelled by absorption of heat energy Q add. The gas expands from initial volume of 0. Since helium behaves almost as an ideal gas, use the ideal gas law to calculate final volume of the chamber and then calculate the work done by the system, when the temperature of the gas is equal to K.

The final volume of the gas, V f , can be calculated using p, V, T Relation for isothermal process:. Test Your Vocabulary.

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