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Function values depend on the state of aggregation of the substance, which must be defined for the value to have any meaning. The state of aggregation for thermodynamic purposes is the standard state , sometimes called the reference state , and defined by specifying certain conditions.
Ethane vapor pressure vs. temperature. ... Mean value for acceptable data: −183.01 °C (90.14 K). Sources used, from ONS Open Melting Point Collection: [3]
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%). B Calculated values *Derived data by calculation.
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The $14.9 billion sale of iconic steelmaker US Steel to Japan’s Nippon Steel ends months of speculation over industry consolidation in a move criticized by union workers, but seen by one analyst ...
Nippon Steel sees the sale as a way to gain a substantial presence in the American market, driven, in part, by the big commitment to public works the Biden White House pushed through Congress.
The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it. The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions .
US Steel has a market capitalization of $5.1 billion. This story has been updated with additional information. For more CNN news and newsletters create an account at CNN.com