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Phase behavior Triple point: 178.0 K (–95.1 °C), 1.23 Pa Critical point: 507.6 K (234.5 °C), 3020 kPa Std enthalpy change of fusion, Δ fus H o: 13 kJ/mol
He attended grammar school in Stuttgart and at the age of eighteen he began his medical studies at University of Tübingen, where he completed his final exams in 1837.In 1838 he worked as assistant at St Catharine's Hospital in Stuttgart, and wrote his MD thesis.
Phase behavior Triple point: 150 K (−123 °C), 0.00043 Pa Critical point: 514 K (241 °C), 63 bar Std enthalpy change of fusion, Δ fus H o +4.9 kJ/mol
A medical thermometer showing a temperature reading of 38.7 °C (101.7 °F). Taking a human's temperature is an initial part of a full clinical examination.There are various types of medical thermometers, as well as sites used for measurement, including:
Changes in temperature and ice over the last 450,000 years (Antarctic data).Life appeared on Earth between 3.8 and 3.5 billion years ago, in the form of the first cells. It was the first living organisms capable of recovering carbon from atmospheric CO2 dissolved in water and progressively enriching the atmosphere with oxygen (photosynthesis) that set in motion the dynamic cycle of water and ...