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Heat capacity, c p [2] 96 J/(mol K) Liquid properties Std enthalpy change of formation, Δ f H o liquid: −249.4 kJ/mol Standard molar entropy, S o liquid: 200.4 J/(mol K) Enthalpy of combustion, Δ c H o –1785.7 kJ/mol Heat capacity, c p: 125.5 J/(mol K) Gas properties Std enthalpy change of formation, Δ f H o gas: −218.5 kJ/mol Standard ...
Most scientists measure temperature using the Celsius scale and thermodynamic temperature using the Kelvin scale, which is the Celsius scale offset so that its null point is 0 K = −273.15 °C, or absolute zero. Many engineering fields in the US, notably high-tech and US federal specifications (civil and military), also use the Kelvin and ...
Normal boiling points for pure substances, bubble and dew points for zeotropic blends, or normal boiling point and azeotropic temperature for the azeotropic blends, at 101,325 Pa (1 atmosphere) and in degrees Celsius
6.7 kJ/mol at –87.0 °C crystal II → crystal I Entropy of transition, Δ trs S o: 36 J/(mol·K) at –87.0 °C crystal II → crystal I Liquid properties Std enthalpy change of formation, Δ f H o liquid –156.4 kJ/mol Standard molar entropy, S o liquid: 204 J/(mol K) Enthalpy of combustion, Δ c H o –3919.6 kJ/mol Heat capacity, c p
It has the 10th highest boiling point among all elements and becomes a superconductor at temperatures below 0.14 K (−273.010 °C; −459.418 °F). [ 14 ] Iridium's modulus of elasticity is the second-highest among the metals, being surpassed only by osmium . [ 13 ]
Canada's annual average temperature over land has warmed by 1.7 °C (3.1 °F), with changes ranging from 1.1 to 2.3 °C (2.0 to 4.1 °F) in various regions, since 1948. [4] The rate of warming has been higher across the North and in the Prairies. [ 4 ]
Pawn Stars is an American reality television series that premiered on History on July 19, 2009. The series is filmed in Las Vegas, Nevada, where it chronicles the activities at the World Famous Gold & Silver Pawn Shop, a 24-hour family business operated by patriarch Richard "Old Man" Harrison, his son Rick Harrison, Rick's son Corey "Big Hoss" Harrison, and Corey's childhood friend, Austin ...
Duct burning raises the flue temperature, which increases the quantity or temperature of the steam (e.g. to 84 bar, 525 degree Celsius). This improves the efficiency of the steam cycle. Supplementary firing lets the plant respond to fluctuations of electrical load, because duct burners can have very good efficiency with partial loads.