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1,1,1,2-Tetrafluoroethane is a non-flammable gas used primarily as a "high-temperature" refrigerant for domestic refrigeration and automobile air conditioners. These devices began using 1,1,1,2-tetrafluoroethane in the early 1990s as a replacement for the more environmentally harmful R-12. Retrofit kits are available to convert units that were ...
An enthalpy–entropy chart, also known as the H–S chart or Mollier diagram, plots the total heat against entropy, [1] describing the enthalpy of a thermodynamic system. [2] A typical chart covers a pressure range of 0.01–1000 bar, and temperatures up to 800 degrees Celsius. [3] It shows enthalpy in terms of internal energy , pressure and ...
Once two of the three reduced properties are found, the compressibility chart can be used. In a compressibility chart, reduced pressure is on the x-axis and Z is on the y-axis. When given the reduced pressure and temperature, find the given pressure on the x-axis. From there, move up on the chart until the given reduced temperature is found.
In her new book, “ Kids Thrive at Every Size ,” Castle aims to offer a new model for assessing and addressing kids’ health. Kids with bodies either larger or smaller than average are at ...
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Archaeologists discovered a small, clay tablet covered in cuneiform in the ancient ruins of Alalah, a major Bronze Age-era city located in present-day Turkey. Researchers have deciphered parts of ...
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A federal appeals court on Thursday dismissed a lawsuit challenging first-in-the-nation law designed to place strict limits on drag shows, reversing a lower court ruling that deemed the statute ...